X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=configure;h=6c43d483b662962e849febd4316f1f2276331d9b;hp=666b641416f3b5e0f425b1b6ff6c1143860f98d8;hb=019de959b265701cd0c3fccbb61f2b69f06bf9ee;hpb=5f9c47ca98dd43d8f59b7c27d3fde6edfde4fe21

diff --git a/configure b/configure
index 666b6414..6c43d483 100755
--- a/configure
+++ b/configure
@@ -1,18 +1,20 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63.
+# Generated by GNU Autoconf 2.69.
+#
+#
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+#
 #
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
@@ -20,23 +22,15 @@ if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
 esac
-
 fi
 
 
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
 as_nl='
 '
 export as_nl
@@ -44,7 +38,13 @@ export as_nl
 as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
   as_echo='printf %s\n'
   as_echo_n='printf %s'
 else
@@ -55,7 +55,7 @@ else
     as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
     as_echo_n_body='eval
       arg=$1;
-      case $arg in
+      case $arg in #(
       *"$as_nl"*)
 	expr "X$arg" : "X\\(.*\\)$as_nl";
 	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
@@ -78,13 +78,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
   }
 fi
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
-fi
-
 
 # IFS
 # We need space, tab and new line, in precisely that order.  Quoting is
@@ -94,15 +87,16 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
+as_myself=
+case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
 IFS=$as_save_IFS
 
      ;;
@@ -114,12 +108,16 @@ if test "x$as_myself" = x; then
 fi
 if test ! -f "$as_myself"; then
   $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  exit 1
 fi
 
-# Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
 done
 PS1='$ '
 PS2='> '
@@ -131,7 +129,293 @@ export LC_ALL
 LANGUAGE=C
 export LANGUAGE
 
-# Required to use basename.
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1
+test -x / || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir/$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
+IFS=$as_save_IFS
+
+
+      if test "x$CONFIG_SHELL" != x; then :
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+fi
+
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+  fi
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  $as_echo "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -145,8 +429,12 @@ else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
@@ -166,417 +454,113 @@ $as_echo X/"$0" |
 	  }
 	  s/.*/./; q'`
 
-# CDPATH.
-$as_unset CDPATH
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 
-if test "x$CONFIG_SHELL" = x; then
-  if (eval ":") 2>/dev/null; then
-  as_have_required=yes
-else
-  as_have_required=no
-fi
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
-  if test $as_have_required = yes &&	 (eval ":
-(as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
 }
 
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
 
-if as_func_ret_success; then
-  :
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
 else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
 fi
-
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
 else
-  exitcode=1
-  echo positional parameters were not saved.
+  as_ln_s='cp -pR'
 fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
 
-test \$exitcode = 0) || { (exit 1); exit 1; }
-
-(
-  as_lineno_1=\$LINENO
-  as_lineno_2=\$LINENO
-  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
-  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
-") 2> /dev/null; then
-  :
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
-  as_candidate_shells=
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  case $as_dir in
-	 /*)
-	   for as_base in sh bash ksh sh5; do
-	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
-	   done;;
-       esac
-done
-IFS=$as_save_IFS
-
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
 
-      for as_shell in $as_candidate_shells $SHELL; do
-	 # Try only shells that exist, to save several forks.
-	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		{ ("$as_shell") 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
-fi
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
-:
-_ASEOF
-}; then
-  CONFIG_SHELL=$as_shell
-	       as_have_required=yes
-	       if { "$as_shell" 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
 
-fi
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
 
-
-:
-(as_func_return () {
-  (exit $1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = "$1" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test $exitcode = 0) || { (exit 1); exit 1; }
-
-(
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
-
-_ASEOF
-}; then
-  break
-fi
-
-fi
-
-      done
-
-      if test "x$CONFIG_SHELL" != x; then
-  for as_var in BASH_ENV ENV
-	do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-	done
-	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
-fi
-
-
-    if test $as_have_required = no; then
-  echo This script requires a shell more modern than all the
-      echo shells that I found on your system.  Please install a
-      echo modern shell, or manually run the script under such a
-      echo shell if you do have one.
-      { (exit 1); exit 1; }
-fi
-
-
-fi
-
-fi
-
-
-
-(eval "as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test \$exitcode = 0") || {
-  echo No shell found that supports shell functions.
-  echo Please tell bug-autoconf@gnu.org about your system,
-  echo including any error possibly output before this message.
-  echo This can help us improve future autoconf versions.
-  echo Configuration will now proceed without shell functions.
-}
-
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
-ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
--n*)
-  case `echo 'x\c'` in
-  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
-  esac;;
-*)
-  ECHO_N='-n';;
-esac
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-rm -f conf$$ conf$$.exe conf$$.file
-if test -d conf$$.dir; then
-  rm -f conf$$.dir/conf$$.file
-else
-  rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
-    as_ln_s='cp -p'
-  fi
-else
-  as_ln_s='cp -p'
-fi
-rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
-rmdir conf$$.dir 2>/dev/null
-
-if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
-else
-  test -d ./-p && rmdir ./-p
-  as_mkdir_p=false
-fi
-
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
-
-# Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
-
-# Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
-
-
-
-exec 7<&0 </dev/null 6>&1
-
-# Name of the host.
-# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
-# so uname gets run too.
-ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+# Name of the host.
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
 #
 # Initializations.
@@ -589,7 +573,6 @@ cross_compiling=no
 subdirs=
 MFLAGS=
 MAKEFLAGS=
-SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Identity of this package.
 PACKAGE_NAME=
@@ -597,6 +580,7 @@ PACKAGE_TARNAME=
 PACKAGE_VERSION=
 PACKAGE_STRING=
 PACKAGE_BUGREPORT=
+PACKAGE_URL=
 
 ac_unique_file="driver/subprocs.c"
 # Factoring default headers for most tests.
@@ -635,6 +619,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
+ac_header_list=
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 DEPEND_DEFINES
@@ -650,6 +635,9 @@ HACKDIR
 NOGNOME
 GNOME22
 GNOME24
+GLFONT_OBJS
+GLFPS_OBJS
+JWZGLES_OBJS
 GLE_KLUDGE
 GLE_EXES
 GL_KLUDGE
@@ -679,6 +667,7 @@ DEFAULT_IMAGE_DIRECTORY
 DEFAULT_IMAGES_P
 NEW_LOGIN_COMMAND_P
 NEW_LOGIN_COMMAND
+COMMENT_PAM_CHECK_ACCOUNT
 HAVE_PAM_FAIL_DELAY
 INSTALL_PAM
 NEED_SETUID
@@ -796,6 +785,7 @@ bindir
 program_transform_name
 prefix
 exec_prefix
+PACKAGE_URL
 PACKAGE_BUGREPORT
 PACKAGE_STRING
 PACKAGE_VERSION
@@ -807,6 +797,7 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 with_x_app_defaults
+enable_largefile
 with_x
 with_hackdir
 enable_subdir
@@ -822,6 +813,7 @@ enable_locking
 enable_root_passwd
 with_pam
 with_pam_service_name
+enable_pam_check_account_type
 with_kerberos
 with_shadow
 with_passwd_helper
@@ -830,6 +822,7 @@ with_gtk
 with_motif
 with_gl
 with_gle
+with_gles
 with_pixbuf
 with_xpm
 with_jpeg
@@ -850,7 +843,6 @@ LDFLAGS
 LIBS
 CPPFLAGS
 CPP
-CPPFLAGS
 XMKMF'
 
 
@@ -914,8 +906,9 @@ do
   fi
 
   case $ac_option in
-  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *)	ac_optarg=yes ;;
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -960,8 +953,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -987,8 +979,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1192,8 +1183,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1209,8 +1199,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1240,17 +1229,17 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) { $as_echo "$as_me: error: unrecognized option: $ac_option
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; }
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
     ;;
 
   *=*)
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
-   { (exit 1); exit 1; }; }
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+    esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
@@ -1259,7 +1248,7 @@ Try \`$0 --help' for more information." >&2
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
   esac
@@ -1267,15 +1256,13 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  { $as_echo "$as_me: error: missing argument to $ac_option" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "missing argument to $ac_option"
 fi
 
 if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
-    fatal) { $as_echo "$as_me: error: unrecognized options: $ac_unrecognized_opts" >&2
-   { (exit 1); exit 1; }; } ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
     *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1298,8 +1285,7 @@ do
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  { $as_echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1313,8 +1299,6 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1329,11 +1313,9 @@ test "$silent" = yes && exec 6>/dev/null
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  { $as_echo "$as_me: error: working directory cannot be determined" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  { $as_echo "$as_me: error: pwd does not report name of working directory" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
@@ -1372,13 +1354,11 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  { $as_echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || { $as_echo "$as_me: error: $ac_msg" >&2
-   { (exit 1); exit 1; }; }
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1420,7 +1400,7 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking...' messages
+  -q, --quiet, --silent   do not print \`checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -1477,6 +1457,7 @@ Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --disable-largefile     omit support for large files
 
 Screen locking options:
   --enable-locking        Compile in support for locking the display.
@@ -1484,6 +1465,10 @@ Screen locking options:
 
   --enable-root-passwd	      Allow root passwd to unlock screen.
   --disable-root-passwd       Do not allow that.
+  --enable-pam-check-account-type
+                          Whether PAM should check the result of account
+                          modules when authenticating. Only do this if you
+                          have account configured properly on your system.
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -1528,6 +1513,7 @@ Graphics options:
   --with-gl               Build those demos which depend on OpenGL.
   --with-gle              Build those demos which depend on GLE
                           (the OpenGL "extrusion" library.)
+  --with-gles             Target OpenGL ES 1.x API instead of OpenGL 1.3.
   --with-pixbuf           Include support for the GDK-Pixbuf library in some
                           demos, which will make it possible for them to read
                           GIF, JPEG, and PNG files as well.
@@ -1551,7 +1537,7 @@ Some influential environment variables:
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
   LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
   XMKMF       Path to xmkmf, Makefile generator for X Window System
@@ -1559,6 +1545,7 @@ Some influential environment variables:
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
+Report bugs to the package provider.
 _ACEOF
 ac_status=$?
 fi
@@ -1622,70 +1609,475 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.63
+generated by GNU Autoconf 2.69
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
   exit
 fi
-cat >config.log <<_ACEOF
-This file contains any messages produced by compilers while
-running configure, to aid debugging if configure makes a mistake.
-
-It was created by $as_me, which was
-generated by GNU Autoconf 2.63.  Invocation command line was
 
-  $ $0 $@
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
 
-_ACEOF
-exec 5>>config.log
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
 {
-cat <<_ASUNAME
-## --------- ##
-## Platform. ##
-## --------- ##
-
-hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
-uname -m = `(uname -m) 2>/dev/null || echo unknown`
-uname -r = `(uname -r) 2>/dev/null || echo unknown`
-uname -s = `(uname -s) 2>/dev/null || echo unknown`
-uname -v = `(uname -v) 2>/dev/null || echo unknown`
-
-/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
-/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
-
-/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
-/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
-/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
-/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
-/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
-/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
-/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -rf conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-_ASUNAME
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
 
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  $as_echo "PATH: $as_dir"
-done
-IFS=$as_save_IFS
+} # ac_fn_c_try_compile
 
-} >&5
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-cat >&5 <<_ACEOF
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
 
+} # ac_fn_c_try_run
 
-## ----------- ##
-## Core tests. ##
-## ----------- ##
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-_ACEOF
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -rf conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_mongrel
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_type
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -rf conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by $as_me, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
+
+  $ $0 $@
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    $as_echo "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
 
 
 # Keep a trace of the command line.
@@ -1710,9 +2102,9 @@ do
       ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
     2)
-      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      as_fn_append ac_configure_args1 " '$ac_arg'"
       if test $ac_must_keep_next = true; then
 	ac_must_keep_next=false # Got value, back to normal.
       else
@@ -1728,13 +2120,13 @@ do
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      ac_configure_args="$ac_configure_args '$ac_arg'"
+      as_fn_append ac_configure_args " '$ac_arg'"
       ;;
     esac
   done
 done
-$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
-$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
@@ -1746,11 +2138,9 @@ trap 'exit_status=$?
   {
     echo
 
-    cat <<\_ASBOX
-## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##
-_ASBOX
+## ---------------- ##"
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -1759,13 +2149,13 @@ _ASBOX
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: cache variable $ac_var contains a newline" >&5
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
 $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
       BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) $as_unset $ac_var ;;
+      *) { eval $ac_var=; unset $ac_var;} ;;
       esac ;;
     esac
   done
@@ -1784,11 +2174,9 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    cat <<\_ASBOX
-## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
-## ----------------- ##
-_ASBOX
+## ----------------- ##"
     echo
     for ac_var in $ac_subst_vars
     do
@@ -1801,11 +2189,9 @@ _ASBOX
     echo
 
     if test -n "$ac_subst_files"; then
-      cat <<\_ASBOX
-## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##
-_ASBOX
+## ------------------- ##"
       echo
       for ac_var in $ac_subst_files
       do
@@ -1819,11 +2205,9 @@ _ASBOX
     fi
 
     if test -s confdefs.h; then
-      cat <<\_ASBOX
-## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
-## ----------- ##
-_ASBOX
+## ----------- ##"
       echo
       cat confdefs.h
       echo
@@ -1837,46 +2221,53 @@ _ASBOX
     exit $exit_status
 ' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
 done
 ac_signal=0
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
+$as_echo "/* confdefs.h */" > confdefs.h
+
 # Predefined preprocessor variables.
 
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_NAME "$PACKAGE_NAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_TARNAME "$PACKAGE_TARNAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_VERSION "$PACKAGE_VERSION"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_STRING "$PACKAGE_STRING"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
 
 # Let the site file select an alternate cache file if it wants to.
 # Prefer an explicitly selected file to automatically selected ones.
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  # We do not want a PATH search for config.site.
+  case $CONFIG_SITE in #((
+    -*)  ac_site_file1=./$CONFIG_SITE;;
+    */*) ac_site_file1=$CONFIG_SITE;;
+    *)   ac_site_file1=./$CONFIG_SITE;;
+  esac
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -1887,19 +2278,23 @@ fi
 for ac_site_file in "$ac_site_file1" "$ac_site_file2"
 do
   test "x$ac_site_file" = xNONE && continue
-  if test -r "$ac_site_file"; then
-    { $as_echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file"
+    . "$ac_site_file" \
+      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
 
 if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special
-  # files actually), so we avoid doing that.
-  if test -f "$cache_file"; then
-    { $as_echo "$as_me:$LINENO: loading cache $cache_file" >&5
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
 $as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
@@ -1907,11 +2302,14 @@ $as_echo "$as_me: loading cache $cache_file" >&6;}
     esac
   fi
 else
-  { $as_echo "$as_me:$LINENO: creating cache $cache_file" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
 $as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
+as_fn_append ac_header_list " stdlib.h"
+as_fn_append ac_header_list " unistd.h"
+as_fn_append ac_header_list " sys/param.h"
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
@@ -1922,11 +2320,11 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
 $as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
 $as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
@@ -1936,17 +2334,17 @@ $as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
 	ac_old_val_w=`echo x $ac_old_val`
 	ac_new_val_w=`echo x $ac_new_val`
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { $as_echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
 $as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { $as_echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
 $as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ $as_echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
 $as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ $as_echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
 $as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
@@ -1958,35 +2356,20 @@ $as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
     esac
     case " $ac_configure_args " in
       *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-  { $as_echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 $as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { $as_echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
-$as_echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -2013,9 +2396,6 @@ echo "command line was: $0 $@"
 
 
 
-
-
-
 # This only ever existed in X11R4 and X11R5.
 #AH_TEMPLATE([HAVE_XIDLE_EXTENSION],
 #	    [Define this if you have the XIDLE extension installed. If you
@@ -2154,11 +2534,35 @@ echo "command line was: $0 $@"
 
 
 
+# After checking to see that --srcdir is correct (which AC_INIT does)
+# check for some random other files that come later in the tar file,
+# to make sure everything is here.
+#
+for d in driver utils hacks hacks/glx ; do
+  f=$srcdir/$d/Makefile.in
+  if test \! -r $f ; then
+    echo ""
+    echo "ERROR: The package is incomplete: $f does not exist."
+    echo "       This probably means that your download was truncated."
+    echo ""
+    exit 1
+  fi
+done
 
+###############################################################################
+#
+#       Function to figure out how to run the compiler.
+#
+###############################################################################
 
 
 
 
+###############################################################################
+#
+#       Check for availability of various gcc command-line options.
+#
+###############################################################################
 
 
 
@@ -2166,77 +2570,9 @@ echo "command line was: $0 $@"
 
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-# After checking to see that --srcdir is correct (which AC_INIT does)
-# check for some random other files that come later in the tar file,
-# to make sure everything is here.
-#
-for d in driver utils hacks hacks/glx ; do
-  f=$srcdir/$d/Makefile.in
-  if test \! -r $f ; then
-    echo ""
-    echo "ERROR: The package is incomplete: $f does not exist."
-    echo "       This probably means that your download was truncated."
-    echo ""
-    exit 1
-  fi
-done
-
-###############################################################################
-#
-#       Function to figure out how to run the compiler.
-#
-###############################################################################
-
-
-
-
-###############################################################################
-#
-#       Check for availability of various gcc command-line options.
-#
-###############################################################################
-
-
-
-
-
-
-
-# Need to disable Objective C extensions in ANSI C on MacOS X to work
-# around an Apple-specific gcc bug.
-#
+# Need to disable Objective C extensions in ANSI C on MacOS X to work
+# around an Apple-specific gcc bug.
+#
 
 
 ###############################################################################
@@ -2335,7 +2671,7 @@ perl_version_cmd='print $]'
 
 
 # Check whether --with-x-app-defaults was given.
-if test "${with_x_app_defaults+set}" = set; then
+if test "${with_x_app_defaults+set}" = set; then :
   withval=$with_x_app_defaults; ac_cv_x_app_defaults="$withval"
 else
   eval ac_x_app_defaults="$withval"
@@ -2358,6 +2694,7 @@ fi
 
 
 
+
 ###############################################################################
 #
 #       Some utility functions to make checking for X things easier.
@@ -2439,9 +2776,7 @@ for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
   fi
 done
 if test -z "$ac_aux_dir"; then
-  { { $as_echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
-$as_echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2455,35 +2790,27 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  { { $as_echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
-$as_echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
-{ $as_echo "$as_me:$LINENO: checking build system type" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then
+if ${ac_cv_build+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  { { $as_echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
-$as_echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
-$as_echo "$as_me: error: invalid value of canonical build" >&2;}
-   { (exit 1); exit 1; }; };;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -2499,28 +2826,24 @@ IFS=$ac_save_IFS
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ $as_echo "$as_me:$LINENO: checking host system type" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 $as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then
+if ${ac_cv_host+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
-$as_echo "$as_me: error: invalid value of canonical host" >&2;}
-   { (exit 1); exit 1; }; };;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -2536,7 +2859,6 @@ IFS=$ac_save_IFS
 case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 
-
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2545,9 +2867,9 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2558,24 +2880,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2585,9 +2907,9 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2598,24 +2920,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
 $as_echo "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2624,7 +2946,7 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
@@ -2638,9 +2960,9 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2651,24 +2973,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2678,9 +3000,9 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2692,18 +3014,18 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
@@ -2722,10 +3044,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2737,9 +3059,9 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2750,24 +3072,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2781,9 +3103,9 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2794,24 +3116,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
 $as_echo "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2824,7 +3146,7 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
@@ -2835,57 +3157,37 @@ fi
 fi
 
 
-test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
-$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
-{ (ac_try="$ac_compiler --version >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -rf conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
 
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2901,8 +3203,8 @@ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ $as_echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
 ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
@@ -2918,17 +3220,17 @@ do
 done
 rm -f $ac_rmfiles
 
-if { (ac_try="$ac_link_default"
+if { { ac_try="$ac_link_default"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -2945,7 +3247,7 @@ do
 	# certainly right.
 	break;;
     *.* )
-        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -2964,84 +3266,41 @@ test "$ac_cv_exeext" = no && ac_cv_exeext=
 else
   ac_file=''
 fi
-
-{ $as_echo "$as_me:$LINENO: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
-if test -z "$ac_file"; then
-  $as_echo "$as_me: failed program was:" >&5
+if test -z "$ac_file"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: C compiler cannot create executables
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: C compiler cannot create executables
-See \`config.log' for more details." >&2;}
-   { (exit 77); exit 77; }; }; }
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 fi
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:$LINENO: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
-# If not cross compiling, check that we can run a simple program.
-if test "$cross_compiling" != yes; then
-  if { ac_try='./$ac_file'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-    cross_compiling=no
-  else
-    if test "$cross_compiling" = maybe; then
-	cross_compiling=yes
-    else
-	{ { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
-    fi
-  fi
-fi
-{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
 rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
-{ $as_echo "$as_me:$LINENO: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
-
-{ $as_echo "$as_me:$LINENO: checking for suffix of executables" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
 $as_echo_n "checking for suffix of executables... " >&6; }
-if { (ac_try="$ac_link"
+if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -3056,32 +3315,83 @@ for ac_file in conftest.exe conftest conftest.*; do
   esac
 done
 else
-  { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
 fi
-
-rm -rf conftest$ac_cv_exeext
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+rm -rf conftest conftest$ac_cv_exeext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
 $as_echo "$ac_cv_exeext" >&6; }
 
 rm -rf conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-{ $as_echo "$as_me:$LINENO: checking for suffix of object files" >&5
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+rm -rf conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3093,17 +3403,17 @@ main ()
 }
 _ACEOF
 rm -rf conftest.o conftest.obj
-if { (ac_try="$ac_compile"
+if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
@@ -3116,31 +3426,23 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
 fi
-
 rm -rf conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
 $as_echo "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3154,37 +3456,16 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_compiler_gnu=no
+  ac_compiler_gnu=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
 $as_echo "$ac_cv_c_compiler_gnu" >&6; }
 if test $ac_compiler_gnu = yes; then
   GCC=yes
@@ -3193,20 +3474,16 @@ else
 fi
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3217,35 +3494,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3256,36 +3509,12 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_compile "$LINENO"; then :
 
-	ac_c_werror_flag=$ac_save_c_werror_flag
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3296,42 +3525,17 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 $as_echo "$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
@@ -3348,23 +3552,18 @@ else
     CFLAGS=
   fi
 fi
-{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+struct stat;
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
 FILE * (*rcsopen) (struct buf *, struct stat *, int);
@@ -3416,32 +3615,9 @@ for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
 	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_c89=$ac_arg
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
@@ -3452,17 +3628,19 @@ fi
 # AC_CACHE_VAL
 case "x$ac_cv_prog_cc_c89" in
   x)
-    { $as_echo "$as_me:$LINENO: result: none needed" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 $as_echo "none needed" >&6; } ;;
   xno)
-    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 $as_echo "unsupported" >&6; } ;;
   *)
     CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 $as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
 esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
 
+fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3471,28 +3649,30 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+
+
   if test -z "$GCC"; then
     # not using GCC
-    { $as_echo "$as_me:$LINENO: checking how to request ANSI compilation" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to request ANSI compilation" >&5
 $as_echo_n "checking how to request ANSI compilation... " >&6; }
     case "$host" in
       *-hpux* )
-        { $as_echo "$as_me:$LINENO: result: HPUX: adding -Ae" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: HPUX: adding -Ae" >&5
 $as_echo "HPUX: adding -Ae" >&6; }
         CC="$CC -Ae"
       ;;
       *-aix* )
-        { $as_echo "$as_me:$LINENO: result: AIX: adding -qlanglvl=ansi -qhalt=e" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: AIX: adding -qlanglvl=ansi -qhalt=e" >&5
 $as_echo "AIX: adding -qlanglvl=ansi -qhalt=e" >&6; }
         CC="$CC -qlanglvl=ansi -qhalt=e"
       ;;
       *-dec-* )
-        { $as_echo "$as_me:$LINENO: result: DEC: adding -std1 -ieee" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: DEC: adding -std1 -ieee" >&5
 $as_echo "DEC: adding -std1 -ieee" >&6; }
         CC="$CC -std1"
       ;;
       *)
-        { $as_echo "$as_me:$LINENO: result: no idea" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no idea" >&5
 $as_echo "no idea" >&6; }
       ;;
     esac
@@ -3500,7 +3680,7 @@ $as_echo "no idea" >&6; }
     # using GCC
     case "$host" in
       *-solaris*)
-        { $as_echo "$as_me:$LINENO: result: Solaris: adding -D__EXTENSIONS__" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Solaris: adding -D__EXTENSIONS__" >&5
 $as_echo "Solaris: adding -D__EXTENSIONS__" >&6; }
         CC="$CC -D__EXTENSIONS__"
       ;;
@@ -3509,65 +3689,30 @@ $as_echo "Solaris: adding -D__EXTENSIONS__" >&6; }
 
   OBJCC="$CC"
 
-  { $as_echo "$as_me:$LINENO: checking whether the compiler works on ANSI C" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler works on ANSI C" >&5
 $as_echo_n "checking whether the compiler works on ANSI C... " >&6; }
-  if test "$cross_compiling" = yes; then
-  { { $as_echo "$as_me:$LINENO: error: Couldn't build even a trivial ANSI C program: check CC." >&5
-$as_echo "$as_me: error: Couldn't build even a trivial ANSI C program: check CC." >&2;}
-   { (exit 1); exit 1; }; }
+  if test "$cross_compiling" = yes; then :
+  as_fn_error $? "Couldn't build even a trivial ANSI C program: check CC." "$LINENO" 5
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
  main(int ac, char **av) { return 0; }
 _ACEOF
-rm -rf conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+if ac_fn_c_try_run "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-{ $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-     { { $as_echo "$as_me:$LINENO: error: Couldn't build even a trivial ANSI C program: check CC." >&5
-$as_echo "$as_me: error: Couldn't build even a trivial ANSI C program: check CC." >&2;}
-   { (exit 1); exit 1; }; }
+     as_fn_error $? "Couldn't build even a trivial ANSI C program: check CC." "$LINENO" 5
 fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
 
-
   if test -n "$GCC"; then
-    { $as_echo "$as_me:$LINENO: result: Turning on gcc compiler warnings." >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Turning on gcc compiler warnings." >&5
 $as_echo "Turning on gcc compiler warnings." >&6; }
     CC="$CC -pedantic -Wall -Wstrict-prototypes -Wnested-externs -Wmissing-prototypes"
     OBJCC="$OBJCC -Wall"
@@ -3576,7 +3721,7 @@ $as_echo "Turning on gcc compiler warnings." >&6; }
   else
     case "$host" in
       *-irix5* |*-irix6.0-3* )
-        { $as_echo "$as_me:$LINENO: result: Turning on SGI compiler warnings." >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Turning on SGI compiler warnings." >&5
 $as_echo "Turning on SGI compiler warnings." >&6; }
         CC="$CC -fullwarn -use_readonly_const -rdata_shared -g3"
       ;;
@@ -3590,9 +3735,9 @@ $as_echo "Turning on SGI compiler warnings." >&6; }
   fi
 
 if test -n "$GCC"; then
-   { $as_echo "$as_me:$LINENO: checking whether gcc accepts -Wno-overlength-strings" >&5
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc accepts -Wno-overlength-strings" >&5
 $as_echo_n "checking whether gcc accepts -Wno-overlength-strings... " >&6; }
-if test "${ac_cv_gcc_accepts_no_overlength+set}" = set; then
+if ${ac_cv_gcc_accepts_no_overlength+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   rm -rf conftest.$ac_ext
@@ -3605,15 +3750,15 @@ else
        CC="$CC -Wno-overlength-strings"
      fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gcc_accepts_no_overlength" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gcc_accepts_no_overlength" >&5
 $as_echo "$ac_cv_gcc_accepts_no_overlength" >&6; }
    ac_gcc_accepts_no_overlength="$ac_cv_gcc_accepts_no_overlength"
   fi
 
 if test -n "$GCC"; then
-   { $as_echo "$as_me:$LINENO: checking whether gcc accepts -Wdeclaration-after-statement" >&5
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc accepts -Wdeclaration-after-statement" >&5
 $as_echo_n "checking whether gcc accepts -Wdeclaration-after-statement... " >&6; }
-if test "${ac_cv_gcc_accepts_no_decl_after+set}" = set; then
+if ${ac_cv_gcc_accepts_no_decl_after+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   rm -rf conftest.$ac_ext
@@ -3626,15 +3771,15 @@ else
        CC="$CC -Wdeclaration-after-statement"
      fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gcc_accepts_no_decl_after" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gcc_accepts_no_decl_after" >&5
 $as_echo "$ac_cv_gcc_accepts_no_decl_after" >&6; }
    ac_gcc_accepts_no_decl_after="$ac_cv_gcc_accepts_no_decl_after"
   fi
 
 if test -n "$GCC"; then
-   { $as_echo "$as_me:$LINENO: checking whether gcc accepts -no-cpp-precomp" >&5
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc accepts -no-cpp-precomp" >&5
 $as_echo_n "checking whether gcc accepts -no-cpp-precomp... " >&6; }
-if test "${ac_cv_gcc_accepts_no_cpp_precomp+set}" = set; then
+if ${ac_cv_gcc_accepts_no_cpp_precomp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   rm -rf conftest.$ac_ext
@@ -3647,7 +3792,7 @@ else
        CC="$CC -no-cpp-precomp"
      fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gcc_accepts_no_cpp_precomp" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gcc_accepts_no_cpp_precomp" >&5
 $as_echo "$ac_cv_gcc_accepts_no_cpp_precomp" >&6; }
    ac_gcc_accepts_no_cpp_precomp="$ac_cv_gcc_accepts_no_cpp_precomp"
   fi
@@ -3661,9 +3806,9 @@ if test -n "$GCC"; then
     ;;
    *)
      if test -n "$GCC"; then
-   { $as_echo "$as_me:$LINENO: checking whether gcc accepts -std=c89" >&5
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc accepts -std=c89" >&5
 $as_echo_n "checking whether gcc accepts -std=c89... " >&6; }
-if test "${ac_cv_gcc_accepts_std+set}" = set; then
+if ${ac_cv_gcc_accepts_std+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   rm -rf conftest.$ac_ext
@@ -3676,7 +3821,7 @@ else
        CC="$CC -std=c89"
      fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gcc_accepts_std" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gcc_accepts_std" >&5
 $as_echo "$ac_cv_gcc_accepts_std" >&6; }
    ac_gcc_accepts_std="$ac_cv_gcc_accepts_std"
   fi
@@ -3684,7 +3829,7 @@ $as_echo "$ac_cv_gcc_accepts_std" >&6; }
    ;;
   esac
 
-   { $as_echo "$as_me:$LINENO: result: Disabling C++ comments in ANSI C code." >&5
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: Disabling C++ comments in ANSI C code." >&5
 $as_echo "Disabling C++ comments in ANSI C code." >&6; }
    #
    # The reason that // comments are banned from xscreensaver is that gcc is
@@ -3718,14 +3863,14 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
 $as_echo_n "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -3740,11 +3885,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -3753,78 +3894,34 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
-
-rm -rf conftest.err conftest.$ac_ext
+rm -rf conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-
-rm -rf conftest.err conftest.$ac_ext
+rm -rf conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -rf conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
+rm -rf conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
   break
 fi
 
@@ -3836,7 +3933,7 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ $as_echo "$as_me:$LINENO: result: $CPP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
 $as_echo "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
@@ -3847,11 +3944,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -3860,87 +3953,40 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
-
-rm -rf conftest.err conftest.$ac_ext
+rm -rf conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-
-rm -rf conftest.err conftest.$ac_ext
+rm -rf conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -rf conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
-  :
+rm -rf conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
 else
-  { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -3949,26 +3995,22 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-{ $as_echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 $as_echo_n "checking for an ANSI C-conforming const... " >&6; }
-if test "${ac_cv_c_const+set}" = set; then
+if ${ac_cv_c_const+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
 main ()
 {
-/* FIXME: Include the comments suggested by Paul. */
+
 #ifndef __cplusplus
-  /* Ultrix mips cc rejects this.  */
+  /* Ultrix mips cc rejects this sort of thing.  */
   typedef int charset[2];
-  const charset cs;
+  const charset cs = { 0, 0 };
   /* SunOS 4.1.1 cc rejects this.  */
   char const *const *pcpcc;
   char **ppc;
@@ -3985,8 +4027,9 @@ main ()
   ++pcpcc;
   ppc = (char**) pcpcc;
   pcpcc = (char const *const *) ppc;
-  { /* SCO 3.2v4 cc rejects this.  */
-    char *t;
+  { /* SCO 3.2v4 cc rejects this sort of thing.  */
+    char tx;
+    char *t = &tx;
     char const *s = 0 ? (char *) 0 : (char const *) 0;
 
     *t++ = 0;
@@ -4002,10 +4045,10 @@ main ()
     iptr p = 0;
     ++p;
   }
-  { /* AIX XL C 1.02.0.0 rejects this saying
+  { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying
        "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
-    struct s { int j; const int *ap[3]; };
-    struct s *b; b->j = 5;
+    struct s { int j; const int *ap[3]; } bx;
+    struct s *b = &bx; b->j = 5;
   }
   { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
     const int foo = 10;
@@ -4018,56 +4061,29 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_c_const=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_c_const=no
+  ac_cv_c_const=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
 $as_echo "$ac_cv_c_const" >&6; }
 if test $ac_cv_c_const = no; then
 
-cat >>confdefs.h <<\_ACEOF
-#define const /**/
-_ACEOF
+$as_echo "#define const /**/" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for inline" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
 $as_echo_n "checking for inline... " >&6; }
-if test "${ac_cv_c_inline+set}" = set; then
+if ${ac_cv_c_inline+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifndef __cplusplus
 typedef int foo_t;
@@ -4076,41 +4092,17 @@ $ac_kw foo_t foo () {return 0; }
 #endif
 
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_c_inline=$ac_kw
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   test "$ac_cv_c_inline" != no && break
 done
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_inline" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
 $as_echo "$ac_cv_c_inline" >&6; }
 
-
 case $ac_cv_c_inline in
   inline | yes) ;;
   *)
@@ -4128,22 +4120,18 @@ esac
 
 
 ac_bc_result=`echo 6+9 | bc 2>/dev/null`
-  { $as_echo "$as_me:$LINENO: checking for bc" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bc" >&5
 $as_echo_n "checking for bc... " >&6; }
   if test "$ac_bc_result" = "15" ; then
-    { $as_echo "$as_me:$LINENO: result: yes" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
   else
-    { $as_echo "$as_me:$LINENO: result: no" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
     echo ''
-    { { $as_echo "$as_me:$LINENO: error: Your system doesn't have \"bc\", which has been a standard
-                  part of Unix since the 1970s.  Come back when your vendor
-                  has grown a clue." >&5
-$as_echo "$as_me: error: Your system doesn't have \"bc\", which has been a standard
+    as_fn_error $? "Your system doesn't have \"bc\", which has been a standard
                   part of Unix since the 1970s.  Come back when your vendor
-                  has grown a clue." >&2;}
-   { (exit 1); exit 1; }; }
+                  has grown a clue." "$LINENO" 5
   fi
 
 
@@ -4162,10 +4150,10 @@ $as_echo "$as_me: error: Your system doesn't have \"bc\", which has been a stand
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
 # Reject install programs that cannot install multiple files.
-{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then
+if ${ac_cv_path_install+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4173,11 +4161,11 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in
-  ./ | .// | /cC/* | \
+    # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+  ./ | .// | /[cC]/* | \
   /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
-  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
   /usr/ucb/* ) ;;
   *)
     # OSF1 and SCO ODT 3.0 have their own names for install.
@@ -4185,7 +4173,7 @@ case $as_dir/ in
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
 	  if test $ac_prog = install &&
 	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
@@ -4214,7 +4202,7 @@ case $as_dir/ in
     ;;
 esac
 
-done
+  done
 IFS=$as_save_IFS
 
 rm -rf conftest.one conftest.two conftest.dir
@@ -4230,7 +4218,7 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
 $as_echo "$INSTALL" >&6; }
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
@@ -4241,9 +4229,9 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-{ $as_echo "$as_me:$LINENO: checking whether \"\${INSTALL} -d\" creates intermediate directories" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \"\${INSTALL} -d\" creates intermediate directories" >&5
 $as_echo_n "checking whether \"\${INSTALL} -d\" creates intermediate directories... " >&6; }
-if test "${ac_cv_install_d_creates_dirs+set}" = set; then
+if ${ac_cv_install_d_creates_dirs+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_install_d_creates_dirs=no
@@ -4259,13 +4247,13 @@ else
      fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_install_d_creates_dirs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_install_d_creates_dirs" >&5
 $as_echo "$ac_cv_install_d_creates_dirs" >&6; }
 
   if test "$ac_cv_install_d_creates_dirs" = no ; then
-    { $as_echo "$as_me:$LINENO: checking whether \"mkdir -p\" creates intermediate directories" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \"mkdir -p\" creates intermediate directories" >&5
 $as_echo_n "checking whether \"mkdir -p\" creates intermediate directories... " >&6; }
-if test "${ac_cv_mkdir_p_creates_dirs+set}" = set; then
+if ${ac_cv_mkdir_p_creates_dirs+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_mkdir_p_creates_dirs=no
@@ -4281,7 +4269,7 @@ else
        fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_mkdir_p_creates_dirs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_mkdir_p_creates_dirs" >&5
 $as_echo "$ac_cv_mkdir_p_creates_dirs" >&6; }
   fi
 
@@ -4294,11 +4282,11 @@ $as_echo "$ac_cv_mkdir_p_creates_dirs" >&6; }
     INSTALL_DIRS='${INSTALL} -d'
   fi
 
-{ $as_echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -4306,7 +4294,7 @@ SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
 _ACEOF
-# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
 case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *@@@%%%=?*=@@@%%%*)
     eval ac_cv_prog_make_${ac_make}_set=yes;;
@@ -4316,11 +4304,11 @@ esac
 rm -rf conftest.make
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
   SET_MAKE=
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
   SET_MAKE="MAKE=${MAKE-make}"
 fi
@@ -4335,9 +4323,9 @@ INSTALL_SCRIPT='${INSTALL}'
 
 # random libc stuff
 
-{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -4348,10 +4336,10 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in grep ggrep; do
+    for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+      as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
@@ -4368,7 +4356,7 @@ case `"$ac_path_GREP" --version 2>&1` in
     $as_echo 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_GREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_GREP="$ac_path_GREP"
@@ -4383,26 +4371,24 @@ esac
       $ac_path_GREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
 fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
 $as_echo "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:$LINENO: checking for egrep" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -4416,10 +4402,10 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in egrep; do
+    for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+      as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
@@ -4436,7 +4422,7 @@ case `"$ac_path_EGREP" --version 2>&1` in
     $as_echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_EGREP="$ac_path_EGREP"
@@ -4451,12 +4437,10 @@ esac
       $ac_path_EGREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -4464,21 +4448,17 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 $as_echo "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -4493,48 +4473,23 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_stdc=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_stdc=no
+  ac_cv_header_stdc=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -4544,18 +4499,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
+  $EGREP "free" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -4565,14 +4516,10 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ctype.h>
 #include <stdlib.h>
@@ -4599,636 +4546,113 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
-ac_cv_header_stdc=no
+else
+  ac_cv_header_stdc=no
 fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
 $as_echo "$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
-
-
-
-
-
-
-
-
-
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 		  inttypes.h stdint.h unistd.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-
-#include <$ac_header>
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  eval "$as_ac_Header=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-	eval "$as_ac_Header=no"
 fi
 
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+done
+
+
+for ac_header in unistd.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
+if test "x$ac_cv_header_unistd_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_UNISTD_H 1
 _ACEOF
 
 fi
 
 done
 
+ac_fn_c_check_type "$LINENO" "mode_t" "ac_cv_type_mode_t" "$ac_includes_default"
+if test "x$ac_cv_type_mode_t" = xyes; then :
 
-
-for ac_header in unistd.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
 else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
+
+cat >>confdefs.h <<_ACEOF
+#define mode_t int
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_header_compiler=no
 fi
 
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
+ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default"
+if test "x$ac_cv_type_pid_t" = xyes; then :
 
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
-$as_echo_n "checking $ac_header presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-  ac_header_preproc=no
-fi
+cat >>confdefs.h <<_ACEOF
+#define pid_t int
+_ACEOF
 
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
+fi
 
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
+if test "x$ac_cv_type_size_t" = xyes; then :
 
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
 else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
 
-fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+cat >>confdefs.h <<_ACEOF
+#define size_t unsigned int
 _ACEOF
 
 fi
 
-done
-
-{ $as_echo "$as_me:$LINENO: checking for mode_t" >&5
-$as_echo_n "checking for mode_t... " >&6; }
-if test "${ac_cv_type_mode_t+set}" = set; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
+$as_echo_n "checking return type of signal handlers... " >&6; }
+if ${ac_cv_type_signal+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_cv_type_mode_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
+#include <sys/types.h>
+#include <signal.h>
+
 int
 main ()
 {
-if (sizeof (mode_t))
-       return 0;
+return *(signal (0, 0)) (0) == 1;
   ;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((mode_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_mode_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_mode_t" >&5
-$as_echo "$ac_cv_type_mode_t" >&6; }
-if test "x$ac_cv_type_mode_t" = x""yes; then
-  :
-else
-
-cat >>confdefs.h <<_ACEOF
-#define mode_t int
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for pid_t" >&5
-$as_echo_n "checking for pid_t... " >&6; }
-if test "${ac_cv_type_pid_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_pid_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (pid_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((pid_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_pid_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_pid_t" >&5
-$as_echo "$ac_cv_type_pid_t" >&6; }
-if test "x$ac_cv_type_pid_t" = x""yes; then
-  :
-else
-
-cat >>confdefs.h <<_ACEOF
-#define pid_t int
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking for size_t" >&5
-$as_echo_n "checking for size_t... " >&6; }
-if test "${ac_cv_type_size_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_size_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (size_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((size_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_size_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
-$as_echo "$ac_cv_type_size_t" >&6; }
-if test "x$ac_cv_type_size_t" = x""yes; then
-  :
-else
-
-cat >>confdefs.h <<_ACEOF
-#define size_t unsigned int
-_ACEOF
-
-fi
-
-{ $as_echo "$as_me:$LINENO: checking return type of signal handlers" >&5
-$as_echo_n "checking return type of signal handlers... " >&6; }
-if test "${ac_cv_type_signal+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <signal.h>
-
-int
-main ()
-{
-return *(signal (0, 0)) (0) == 1;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_type_signal=int
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_signal=void
+  ac_cv_type_signal=void
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_signal" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_signal" >&5
 $as_echo "$ac_cv_type_signal" >&6; }
 
 cat >>confdefs.h <<_ACEOF
@@ -5236,16 +4660,12 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
-{ $as_echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5
 $as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
-if test "${ac_cv_header_time+set}" = set; then
+if ${ac_cv_header_time+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/time.h>
@@ -5260,54 +4680,27 @@ return 0;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_time=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_time=no
+  ac_cv_header_time=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_time" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time" >&5
 $as_echo "$ac_cv_header_time" >&6; }
 if test $ac_cv_header_time = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define TIME_WITH_SYS_TIME 1
-_ACEOF
+$as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for sys/wait.h that is POSIX.1 compatible" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys/wait.h that is POSIX.1 compatible" >&5
 $as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; }
-if test "${ac_cv_header_sys_wait_h+set}" = set; then
+if ${ac_cv_header_sys_wait_h+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -5328,62 +4721,30 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_sys_wait_h=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_sys_wait_h=no
+  ac_cv_header_sys_wait_h=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_wait_h" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_sys_wait_h" >&5
 $as_echo "$ac_cv_header_sys_wait_h" >&6; }
 if test $ac_cv_header_sys_wait_h = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SYS_WAIT_H 1
-_ACEOF
+$as_echo "#define HAVE_SYS_WAIT_H 1" >>confdefs.h
 
 fi
 
-
-
-
-
-
 ac_header_dirent=no
 for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
   as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_hdr that defines DIR" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5
 $as_echo_n "checking for $ac_hdr that defines DIR... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+if eval \${$as_ac_Header+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -5397,41 +4758,17 @@ return 0;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   eval "$as_ac_Header=yes"
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_Header=no"
+  eval "$as_ac_Header=no"
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+eval ac_res=\$$as_ac_Header
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
 _ACEOF
@@ -5442,17 +4779,13 @@ fi
 done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
-  { $as_echo "$as_me:$LINENO: checking for library containing opendir" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
 $as_echo_n "checking for library containing opendir... " >&6; }
-if test "${ac_cv_search_opendir+set}" = set; then
+if ${ac_cv_search_opendir+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -5477,70 +4810,39 @@ for ac_lib in '' dir; do
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_opendir=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_opendir+set}" = set; then
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_opendir+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_opendir+set}" = set; then
-  :
+if ${ac_cv_search_opendir+:} false; then :
+
 else
   ac_cv_search_opendir=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5
 $as_echo "$ac_cv_search_opendir" >&6; }
 ac_res=$ac_cv_search_opendir
-if test "$ac_res" != no; then
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
 else
-  { $as_echo "$as_me:$LINENO: checking for library containing opendir" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
 $as_echo_n "checking for library containing opendir... " >&6; }
-if test "${ac_cv_search_opendir+set}" = set; then
+if ${ac_cv_search_opendir+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -5565,70 +4867,39 @@ for ac_lib in '' x; do
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_opendir=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_opendir+set}" = set; then
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_opendir+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_opendir+set}" = set; then
-  :
+if ${ac_cv_search_opendir+:} false; then :
+
 else
   ac_cv_search_opendir=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5
 $as_echo "$ac_cv_search_opendir" >&6; }
 ac_res=$ac_cv_search_opendir
-if test "$ac_res" != no; then
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking how to call gettimeofday" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to call gettimeofday" >&5
 $as_echo_n "checking how to call gettimeofday... " >&6; }
-  if test "${ac_cv_gettimeofday_args+set}" = set; then
+  if ${ac_cv_gettimeofday_args+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                     #include <sys/time.h>
@@ -5641,34 +4912,10 @@ struct timeval tv; struct timezone tzp;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_gettimeofday_args=2
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                                     #include <sys/time.h>
@@ -5680,370 +4927,240 @@ struct timeval tv; gettimeofday(&tv);
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_gettimeofday_args=1
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_gettimeofday_args=0
+  ac_gettimeofday_args=0
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     ac_cv_gettimeofday_args=$ac_gettimeofday_args
 fi
 
   ac_gettimeofday_args=$ac_cv_gettimeofday_args
   if test "$ac_gettimeofday_args" = 1 ; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_GETTIMEOFDAY 1
-_ACEOF
+    $as_echo "#define HAVE_GETTIMEOFDAY 1" >>confdefs.h
 
-    { $as_echo "$as_me:$LINENO: result: one argument" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: one argument" >&5
 $as_echo "one argument" >&6; }
   elif test "$ac_gettimeofday_args" = 2 ; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_GETTIMEOFDAY 1
-_ACEOF
+    $as_echo "#define HAVE_GETTIMEOFDAY 1" >>confdefs.h
 
-    cat >>confdefs.h <<\_ACEOF
-#define GETTIMEOFDAY_TWO_ARGS 1
-_ACEOF
+    $as_echo "#define GETTIMEOFDAY_TWO_ARGS 1" >>confdefs.h
 
-    { $as_echo "$as_me:$LINENO: result: two arguments" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: two arguments" >&5
 $as_echo "two arguments" >&6; }
   else
-    { $as_echo "$as_me:$LINENO: result: unknown" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
 $as_echo "unknown" >&6; }
   fi
 
+# Check whether --enable-largefile was given.
+if test "${enable_largefile+set}" = set; then :
+  enableval=$enable_largefile;
+fi
 
+if test "$enable_largefile" != no; then
 
-
-
-
-
-
-
-
-for ac_func in select fcntl uname nice setpriority getcwd getwd putenv sbrk
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
+$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
+if ${ac_cv_sys_largefile_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+	 # IRIX 6.2 and later do not support large files by default,
+	 # so use the C compiler's -n32 option if that helps.
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
 int
 main ()
 {
-return $ac_func ();
+
   ;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
+	 if ac_fn_c_try_compile "$LINENO"; then :
+  break
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext
+	 CC="$CC -n32"
+	 if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_largefile_CC=' -n32'; break
 fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
+rm -f core conftest.err conftest.$ac_objext
+	 break
+       done
+       CC=$ac_save_CC
+       rm -rf conftest.$ac_ext
+    fi
 fi
-done
-
-
-
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
+$as_echo "$ac_cv_sys_largefile_CC" >&6; }
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
 
-for ac_func in sigaction syslog realpath setrlimit
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if ${ac_cv_sys_file_offset_bits+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
 int
 main ()
 {
-return $ac_func ();
+
   ;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=no; break
 fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+  ;
+  return 0;
+}
 _ACEOF
-
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=64; break
 fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_file_offset_bits=unknown
+  break
 done
-
-
-for ac_func in setlocale
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
+$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
+$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
+if ${ac_cv_sys_large_files+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
 
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
 int
 main ()
 {
-return $ac_func ();
+
   ;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=1; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
+$as_echo "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+_ACEOF
+;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+rm -rf conftest*
+  fi
 
-	eval "$as_ac_var=no"
-fi
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+
+for ac_func in select fcntl uname nice setpriority getcwd getwd putenv sbrk
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -6051,17 +5168,36 @@ _ACEOF
 fi
 done
 
-{ $as_echo "$as_me:$LINENO: checking for struct icmp" >&5
-$as_echo_n "checking for struct icmp... " >&6; }
-if test "${ac_cv_have_icmp+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
+for ac_func in sigaction syslog realpath setrlimit
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+
+fi
+done
+
+for ac_func in setlocale
+do :
+  ac_fn_c_check_func "$LINENO" "setlocale" "ac_cv_func_setlocale"
+if test "x$ac_cv_func_setlocale" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SETLOCALE 1
+_ACEOF
+
+fi
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct icmp" >&5
+$as_echo_n "checking for struct icmp... " >&6; }
+if ${ac_cv_have_icmp+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 #include <stdlib.h>
                    #include <stdio.h>
                    #include <math.h>
@@ -6104,52 +5240,25 @@ struct icmp i;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_have_icmp=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_have_icmp=no
+  ac_cv_have_icmp=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_icmp" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_icmp" >&5
 $as_echo "$ac_cv_have_icmp" >&6; }
  if test "$ac_cv_have_icmp" = yes ; then
-   cat >>confdefs.h <<\_ACEOF
-#define HAVE_ICMP 1
-_ACEOF
+   $as_echo "#define HAVE_ICMP 1" >>confdefs.h
 
  fi
-{ $as_echo "$as_me:$LINENO: checking for struct icmphdr" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct icmphdr" >&5
 $as_echo_n "checking for struct icmphdr... " >&6; }
-if test "${ac_cv_have_icmphdr+set}" = set; then
+if ${ac_cv_have_icmphdr+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                    #include <stdio.h>
@@ -6188,181 +5297,59 @@ struct icmphdr i;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_have_icmphdr=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_have_icmphdr=no
+  ac_cv_have_icmphdr=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_icmphdr" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_icmphdr" >&5
 $as_echo "$ac_cv_have_icmphdr" >&6; }
  if test "$ac_cv_have_icmphdr" = yes ; then
-   cat >>confdefs.h <<\_ACEOF
-#define HAVE_ICMPHDR 1
-_ACEOF
+   $as_echo "#define HAVE_ICMPHDR 1" >>confdefs.h
 
  fi
-
-
-for ac_header in crypt.h sys/select.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getifaddrs" >&5
+$as_echo_n "checking for getifaddrs... " >&6; }
+if ${ac_cv_have_getifaddrs+:} false; then :
   $as_echo_n "(cached) " >&6
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
 else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
+#include <stdlib.h>
+                   #include <unistd.h>
+                   #include <arpa/inet.h>
+                   #include <ifaddrs.h>
+int
+main ()
+{
+struct ifaddrs *ifa;
+                   getifaddrs (&ifa);
+                   ifa->ifa_next = 0;
+                   ifa->ifa_addr->sa_family = 0;
+  ;
+  return 0;
+}
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_have_getifaddrs=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
+  ac_cv_have_getifaddrs=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
-$as_echo_n "checking $ac_header presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
 fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_getifaddrs" >&5
+$as_echo "$ac_cv_have_getifaddrs" >&6; }
+ if test "$ac_cv_have_getifaddrs" = yes ; then
+   $as_echo "#define HAVE_GETIFADDRS 1" >>confdefs.h
 
-fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+ fi
+for ac_header in crypt.h sys/select.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -6375,9 +5362,9 @@ for ac_prog in perl5 perl
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PERL+set}" = set; then
+if ${ac_cv_path_PERL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PERL in
@@ -6390,14 +5377,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PERL="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
   ;;
@@ -6405,10 +5392,10 @@ esac
 fi
 PERL=$ac_cv_path_PERL
 if test -n "$PERL"; then
-  { $as_echo "$as_me:$LINENO: result: $PERL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PERL" >&5
 $as_echo "$PERL" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -6419,14 +5406,14 @@ done
   if test -z "$PERL" ; then
     PERL_VERSION=0
   else
-    { $as_echo "$as_me:$LINENO: checking perl version" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking perl version" >&5
 $as_echo_n "checking perl version... " >&6; }
-if test "${ac_cv_perl_version+set}" = set; then
+if ${ac_cv_perl_version+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_perl_version=`$PERL -e "$perl_version_cmd"`
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_perl_version" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_perl_version" >&5
 $as_echo "$ac_cv_perl_version" >&6; }
     PERL_VERSION=$ac_cv_perl_version
   fi
@@ -6437,12 +5424,12 @@ if test -z "$PERL" ; then
   PERL=/usr/bin/perl
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for X" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for X" >&5
 $as_echo_n "checking for X... " >&6; }
 
 
 # Check whether --with-x was given.
-if test "${with_x+set}" = set; then
+if test "${with_x+set}" = set; then :
   withval=$with_x;
 fi
 
@@ -6452,10 +5439,8 @@ if test "x$with_x" = xno; then
   have_x=disabled
 else
   case $x_includes,$x_libraries in #(
-    *\'*) { { $as_echo "$as_me:$LINENO: error: cannot use X directory names containing '" >&5
-$as_echo "$as_me: error: cannot use X directory names containing '" >&2;}
-   { (exit 1); exit 1; }; };; #(
-    *,NONE | NONE,*) if test "${ac_cv_have_x+set}" = set; then
+    *\'*) as_fn_error $? "cannot use X directory names containing '" "$LINENO" 5;; #(
+    *,NONE | NONE,*) if ${ac_cv_have_x+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   # One or both of the vars are not set, and there is no cached value.
@@ -6472,7 +5457,7 @@ libdir:
 	@echo libdir='${LIBDIR}'
 _ACEOF
   if (export CC; ${XMKMF-xmkmf}) >/dev/null 2>/dev/null && test -f Makefile; then
-    # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+    # GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
     for ac_var in incroot usrlibdir libdir; do
       eval "ac_im_$ac_var=\`\${MAKE-make} $ac_var 2>/dev/null | sed -n 's/^$ac_var=//p'\`"
     done
@@ -6503,21 +5488,25 @@ fi
 # Check X11 before X11Rn because it is often a symlink to the current release.
 ac_x_header_dirs='
 /usr/X11/include
+/usr/X11R7/include
 /usr/X11R6/include
 /usr/X11R5/include
 /usr/X11R4/include
 
 /usr/include/X11
+/usr/include/X11R7
 /usr/include/X11R6
 /usr/include/X11R5
 /usr/include/X11R4
 
 /usr/local/X11/include
+/usr/local/X11R7/include
 /usr/local/X11R6/include
 /usr/local/X11R5/include
 /usr/local/X11R4/include
 
 /usr/local/include/X11
+/usr/local/include/X11R7
 /usr/local/include/X11R6
 /usr/local/include/X11R5
 /usr/local/include/X11R4
@@ -6539,37 +5528,14 @@ ac_x_header_dirs='
 if test "$ac_x_includes" = no; then
   # Guess where to find include files, by looking for Xlib.h.
   # First, try using that file with no special directory specified.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <X11/Xlib.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # We can compile using X headers with no special include directory.
 ac_x_includes=
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   for ac_dir in $ac_x_header_dirs; do
   if test -r "$ac_dir/X11/Xlib.h"; then
     ac_x_includes=$ac_dir
@@ -6577,8 +5543,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
   fi
 done
 fi
-
-rm -rf conftest.err conftest.$ac_ext
+rm -rf conftest.err conftest.i conftest.$ac_ext
 fi # $ac_x_includes = no
 
 if test "$ac_x_libraries" = no; then
@@ -6587,11 +5552,7 @@ if test "$ac_x_libraries" = no; then
   # Don't add to $LIBS permanently.
   ac_save_LIBS=$LIBS
   LIBS="-lX11 $LIBS"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <X11/Xlib.h>
 int
@@ -6602,35 +5563,12 @@ XrmInitialize ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   LIBS=$ac_save_LIBS
 # We can link X programs with no special library path.
 ac_x_libraries=
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	LIBS=$ac_save_LIBS
+  LIBS=$ac_save_LIBS
 for ac_dir in `$as_echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
 do
   # Don't even attempt the hair of trying to link an X program!
@@ -6642,10 +5580,8 @@ do
   done
 done
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi # $ac_x_libraries = no
 
 case $ac_x_includes,$ac_x_libraries in #(
@@ -6666,7 +5602,7 @@ fi
 fi # $with_x != no
 
 if test "$have_x" != yes; then
-  { $as_echo "$as_me:$LINENO: result: $have_x" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_x" >&5
 $as_echo "$have_x" >&6; }
   no_x=yes
 else
@@ -6677,16 +5613,14 @@ else
   ac_cv_have_x="have_x=yes\
 	ac_x_includes='$x_includes'\
 	ac_x_libraries='$x_libraries'"
-  { $as_echo "$as_me:$LINENO: result: libraries $x_libraries, headers $x_includes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: libraries $x_libraries, headers $x_includes" >&5
 $as_echo "libraries $x_libraries, headers $x_includes" >&6; }
 fi
 
 if test "$no_x" = yes; then
   # Not all programs may use this symbol, but it does not hurt to define it.
 
-cat >>confdefs.h <<\_ACEOF
-#define X_DISPLAY_MISSING 1
-_ACEOF
+$as_echo "#define X_DISPLAY_MISSING 1" >>confdefs.h
 
   X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS=
 else
@@ -6699,16 +5633,12 @@ else
     X_LIBS="$X_LIBS -L$x_libraries"
     # For Solaris; some versions of Sun CC require a space after -R and
     # others require no space.  Words are not sufficient . . . .
-    { $as_echo "$as_me:$LINENO: checking whether -R must be followed by a space" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -R must be followed by a space" >&5
 $as_echo_n "checking whether -R must be followed by a space... " >&6; }
     ac_xsave_LIBS=$LIBS; LIBS="$LIBS -R$x_libraries"
     ac_xsave_c_werror_flag=$ac_c_werror_flag
     ac_c_werror_flag=yes
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -6719,40 +5649,13 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+if ac_fn_c_try_link "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
        X_LIBS="$X_LIBS -R$x_libraries"
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	LIBS="$ac_xsave_LIBS -R $x_libraries"
-       cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  LIBS="$ac_xsave_LIBS -R $x_libraries"
+       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -6763,46 +5666,19 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+if ac_fn_c_try_link "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 	  X_LIBS="$X_LIBS -R $x_libraries"
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	{ $as_echo "$as_me:$LINENO: result: neither works" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: neither works" >&5
 $as_echo "neither works" >&6; }
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
     ac_c_werror_flag=$ac_xsave_c_werror_flag
     LIBS=$ac_xsave_LIBS
   fi
@@ -6818,11 +5694,7 @@ rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
     # libraries were built with DECnet support.  And Karl Berry says
     # the Alpha needs dnet_stub (dnet does not exist).
     ac_xsave_LIBS="$LIBS"; LIBS="$LIBS $X_LIBS -lX11"
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6840,44 +5712,17 @@ return XOpenDisplay ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-	{ $as_echo "$as_me:$LINENO: checking for dnet_ntoa in -ldnet" >&5
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet" >&5
 $as_echo_n "checking for dnet_ntoa in -ldnet... " >&6; }
-if test "${ac_cv_lib_dnet_dnet_ntoa+set}" = set; then
+if ${ac_cv_lib_dnet_dnet_ntoa+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldnet  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6895,59 +5740,30 @@ return dnet_ntoa ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_dnet_dnet_ntoa=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_dnet_dnet_ntoa=no
+  ac_cv_lib_dnet_dnet_ntoa=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dnet_dnet_ntoa" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_dnet_ntoa" >&5
 $as_echo "$ac_cv_lib_dnet_dnet_ntoa" >&6; }
-if test "x$ac_cv_lib_dnet_dnet_ntoa" = x""yes; then
+if test "x$ac_cv_lib_dnet_dnet_ntoa" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
 fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
-      { $as_echo "$as_me:$LINENO: checking for dnet_ntoa in -ldnet_stub" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet_stub" >&5
 $as_echo_n "checking for dnet_ntoa in -ldnet_stub... " >&6; }
-if test "${ac_cv_lib_dnet_stub_dnet_ntoa+set}" = set; then
+if ${ac_cv_lib_dnet_stub_dnet_ntoa+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldnet_stub  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -6965,52 +5781,25 @@ return dnet_ntoa ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_dnet_stub_dnet_ntoa=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_dnet_stub_dnet_ntoa=no
+  ac_cv_lib_dnet_stub_dnet_ntoa=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dnet_stub_dnet_ntoa" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_stub_dnet_ntoa" >&5
 $as_echo "$ac_cv_lib_dnet_stub_dnet_ntoa" >&6; }
-if test "x$ac_cv_lib_dnet_stub_dnet_ntoa" = x""yes; then
+if test "x$ac_cv_lib_dnet_stub_dnet_ntoa" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
 fi
 
     fi
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
     LIBS="$ac_xsave_LIBS"
 
     # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
@@ -7021,33 +5810,21 @@ rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
     # on Irix 5.2, according to T.E. Dickey.
     # The functions gethostbyname, getservbyname, and inet_addr are
     # in -lbsd on LynxOS 3.0.1/i386, according to Lars Hecking.
-    { $as_echo "$as_me:$LINENO: checking for gethostbyname" >&5
-$as_echo_n "checking for gethostbyname... " >&6; }
-if test "${ac_cv_func_gethostbyname+set}" = set; then
+    ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
+if test "x$ac_cv_func_gethostbyname" = xyes; then :
+
+fi
+
+    if test $ac_cv_func_gethostbyname = no; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
+$as_echo_n "checking for gethostbyname in -lnsl... " >&6; }
+if ${ac_cv_lib_nsl_gethostbyname+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lnsl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-/* Define gethostbyname to an innocuous variant, in case <limits.h> declares gethostbyname.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define gethostbyname innocuous_gethostbyname
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char gethostbyname (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef gethostbyname
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
@@ -7056,13 +5833,6 @@ cat >>conftest.$ac_ext <<_ACEOF
 extern "C"
 #endif
 char gethostbyname ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_gethostbyname || defined __stub___gethostbyname
-choke me
-#endif
-
 int
 main ()
 {
@@ -7071,125 +5841,30 @@ return gethostbyname ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func_gethostbyname=yes
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_nsl_gethostbyname=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_gethostbyname=no
+  ac_cv_lib_nsl_gethostbyname=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_gethostbyname" >&5
-$as_echo "$ac_cv_func_gethostbyname" >&6; }
-
-    if test $ac_cv_func_gethostbyname = no; then
-      { $as_echo "$as_me:$LINENO: checking for gethostbyname in -lnsl" >&5
-$as_echo_n "checking for gethostbyname in -lnsl... " >&6; }
-if test "${ac_cv_lib_nsl_gethostbyname+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lnsl  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gethostbyname ();
-int
-main ()
-{
-return gethostbyname ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_lib_nsl_gethostbyname=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_nsl_gethostbyname=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_nsl_gethostbyname" >&5
-$as_echo "$ac_cv_lib_nsl_gethostbyname" >&6; }
-if test "x$ac_cv_lib_nsl_gethostbyname" = x""yes; then
-  X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
+$as_echo "$ac_cv_lib_nsl_gethostbyname" >&6; }
+if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
+  X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
 fi
 
       if test $ac_cv_lib_nsl_gethostbyname = no; then
-	{ $as_echo "$as_me:$LINENO: checking for gethostbyname in -lbsd" >&5
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lbsd" >&5
 $as_echo_n "checking for gethostbyname in -lbsd... " >&6; }
-if test "${ac_cv_lib_bsd_gethostbyname+set}" = set; then
+if ${ac_cv_lib_bsd_gethostbyname+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lbsd  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -7207,43 +5882,18 @@ return gethostbyname ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_bsd_gethostbyname=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_bsd_gethostbyname=no
+  ac_cv_lib_bsd_gethostbyname=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_bsd_gethostbyname" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_gethostbyname" >&5
 $as_echo "$ac_cv_lib_bsd_gethostbyname" >&6; }
-if test "x$ac_cv_lib_bsd_gethostbyname" = x""yes; then
+if test "x$ac_cv_lib_bsd_gethostbyname" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lbsd"
 fi
 
@@ -7257,105 +5907,20 @@ fi
     # variants that don't use the name server (or something).  -lsocket
     # must be given before -lnsl if both are needed.  We assume that
     # if connect needs -lnsl, so does gethostbyname.
-    { $as_echo "$as_me:$LINENO: checking for connect" >&5
-$as_echo_n "checking for connect... " >&6; }
-if test "${ac_cv_func_connect+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define connect to an innocuous variant, in case <limits.h> declares connect.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define connect innocuous_connect
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char connect (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef connect
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char connect ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_connect || defined __stub___connect
-choke me
-#endif
-
-int
-main ()
-{
-return connect ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func_connect=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_connect=no
-fi
+    ac_fn_c_check_func "$LINENO" "connect" "ac_cv_func_connect"
+if test "x$ac_cv_func_connect" = xyes; then :
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_connect" >&5
-$as_echo "$ac_cv_func_connect" >&6; }
 
     if test $ac_cv_func_connect = no; then
-      { $as_echo "$as_me:$LINENO: checking for connect in -lsocket" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for connect in -lsocket" >&5
 $as_echo_n "checking for connect in -lsocket... " >&6; }
-if test "${ac_cv_lib_socket_connect+set}" = set; then
+if ${ac_cv_lib_socket_connect+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -7373,148 +5938,38 @@ return connect ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_socket_connect=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_socket_connect=no
+  ac_cv_lib_socket_connect=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_socket_connect" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_connect" >&5
 $as_echo "$ac_cv_lib_socket_connect" >&6; }
-if test "x$ac_cv_lib_socket_connect" = x""yes; then
+if test "x$ac_cv_lib_socket_connect" = xyes; then :
   X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS"
 fi
 
     fi
 
     # Guillermo Gomez says -lposix is necessary on A/UX.
-    { $as_echo "$as_me:$LINENO: checking for remove" >&5
-$as_echo_n "checking for remove... " >&6; }
-if test "${ac_cv_func_remove+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define remove to an innocuous variant, in case <limits.h> declares remove.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define remove innocuous_remove
+    ac_fn_c_check_func "$LINENO" "remove" "ac_cv_func_remove"
+if test "x$ac_cv_func_remove" = xyes; then :
 
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char remove (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef remove
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char remove ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_remove || defined __stub___remove
-choke me
-#endif
-
-int
-main ()
-{
-return remove ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func_remove=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_remove=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_remove" >&5
-$as_echo "$ac_cv_func_remove" >&6; }
 
     if test $ac_cv_func_remove = no; then
-      { $as_echo "$as_me:$LINENO: checking for remove in -lposix" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for remove in -lposix" >&5
 $as_echo_n "checking for remove in -lposix... " >&6; }
-if test "${ac_cv_lib_posix_remove+set}" = set; then
+if ${ac_cv_lib_posix_remove+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lposix  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -7532,148 +5987,38 @@ return remove ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_posix_remove=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_posix_remove=no
+  ac_cv_lib_posix_remove=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_posix_remove" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_posix_remove" >&5
 $as_echo "$ac_cv_lib_posix_remove" >&6; }
-if test "x$ac_cv_lib_posix_remove" = x""yes; then
+if test "x$ac_cv_lib_posix_remove" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix"
 fi
 
     fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
-    { $as_echo "$as_me:$LINENO: checking for shmat" >&5
-$as_echo_n "checking for shmat... " >&6; }
-if test "${ac_cv_func_shmat+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define shmat to an innocuous variant, in case <limits.h> declares shmat.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define shmat innocuous_shmat
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char shmat (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef shmat
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char shmat ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_shmat || defined __stub___shmat
-choke me
-#endif
-
-int
-main ()
-{
-return shmat ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func_shmat=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_shmat=no
-fi
+    ac_fn_c_check_func "$LINENO" "shmat" "ac_cv_func_shmat"
+if test "x$ac_cv_func_shmat" = xyes; then :
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_shmat" >&5
-$as_echo "$ac_cv_func_shmat" >&6; }
 
     if test $ac_cv_func_shmat = no; then
-      { $as_echo "$as_me:$LINENO: checking for shmat in -lipc" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shmat in -lipc" >&5
 $as_echo_n "checking for shmat in -lipc... " >&6; }
-if test "${ac_cv_lib_ipc_shmat+set}" = set; then
+if ${ac_cv_lib_ipc_shmat+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lipc  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -7691,43 +6036,18 @@ return shmat ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_ipc_shmat=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_ipc_shmat=no
+  ac_cv_lib_ipc_shmat=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_ipc_shmat" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ipc_shmat" >&5
 $as_echo "$ac_cv_lib_ipc_shmat" >&6; }
-if test "x$ac_cv_lib_ipc_shmat" = x""yes; then
+if test "x$ac_cv_lib_ipc_shmat" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc"
 fi
 
@@ -7743,18 +6063,14 @@ fi
   # These have to be linked with before -lX11, unlike the other
   # libraries we check for below, so use a different variable.
   # John Interrante, Karl Berry
-  { $as_echo "$as_me:$LINENO: checking for IceConnectionNumber in -lICE" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for IceConnectionNumber in -lICE" >&5
 $as_echo_n "checking for IceConnectionNumber in -lICE... " >&6; }
-if test "${ac_cv_lib_ICE_IceConnectionNumber+set}" = set; then
+if ${ac_cv_lib_ICE_IceConnectionNumber+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lICE $X_EXTRA_LIBS $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -7772,43 +6088,18 @@ return IceConnectionNumber ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_ICE_IceConnectionNumber=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_ICE_IceConnectionNumber=no
+  ac_cv_lib_ICE_IceConnectionNumber=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_ICE_IceConnectionNumber" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ICE_IceConnectionNumber" >&5
 $as_echo "$ac_cv_lib_ICE_IceConnectionNumber" >&6; }
-if test "x$ac_cv_lib_ICE_IceConnectionNumber" = x""yes; then
+if test "x$ac_cv_lib_ICE_IceConnectionNumber" = xyes; then :
   X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"
 fi
 
@@ -7818,15 +6109,13 @@ fi
 
 
 if test "$have_x" != yes; then
-  { { $as_echo "$as_me:$LINENO: error: Couldn't find X11 headers/libs.  Try \`$0 --help'." >&5
-$as_echo "$as_me: error: Couldn't find X11 headers/libs.  Try \`$0 --help'." >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "Couldn't find X11 headers/libs.  Try \`$0 --help'." "$LINENO" 5
 fi
 
 
-    { $as_echo "$as_me:$LINENO: checking for X app-defaults directory" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for X app-defaults directory" >&5
 $as_echo_n "checking for X app-defaults directory... " >&6; }
-if test "${ac_cv_x_app_defaults+set}" = set; then
+if ${ac_cv_x_app_defaults+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7912,7 +6201,7 @@ EOF
         ac_cv_x_app_defaults="$ac_x_app_defaults"
       fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_x_app_defaults" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_x_app_defaults" >&5
 $as_echo "$ac_cv_x_app_defaults" >&6; }
     eval ac_x_app_defaults="$ac_cv_x_app_defaults"
 case "$host" in
@@ -8031,18 +6320,14 @@ case "$host" in
         MOTIF_LIBS="$MOTIF_LIBS -L/usr/dt/lib -R/usr/dt/lib"
 
         # Some versions of Slowlaris Motif require -lgen.  But not all.  Why?
-        { $as_echo "$as_me:$LINENO: checking for regcmp in -lgen" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for regcmp in -lgen" >&5
 $as_echo_n "checking for regcmp in -lgen... " >&6; }
-if test "${ac_cv_lib_gen_regcmp+set}" = set; then
+if ${ac_cv_lib_gen_regcmp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgen  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -8060,43 +6345,18 @@ return regcmp ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_gen_regcmp=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_gen_regcmp=no
+  ac_cv_lib_gen_regcmp=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_gen_regcmp" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gen_regcmp" >&5
 $as_echo "$ac_cv_lib_gen_regcmp" >&6; }
-if test "x$ac_cv_lib_gen_regcmp" = x""yes; then
+if test "x$ac_cv_lib_gen_regcmp" = xyes; then :
   MOTIF_LIBS="$MOTIF_LIBS -lgen"
 fi
 
@@ -8113,9 +6373,9 @@ fi
       fi
     ;;
   esac
-{ $as_echo "$as_me:$LINENO: checking for XPointer" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for XPointer" >&5
 $as_echo_n "checking for XPointer... " >&6; }
-if test "${ac_cv_xpointer+set}" = set; then
+if ${ac_cv_xpointer+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8125,11 +6385,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <X11/Xlib.h>
 int
@@ -8140,45 +6396,22 @@ XPointer foo = (XPointer) 0;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_xpointer=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_xpointer=no
+  ac_cv_xpointer=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_xpointer" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_xpointer" >&5
 $as_echo "$ac_cv_xpointer" >&6; }
   if test "$ac_cv_xpointer" != yes; then
-   cat >>confdefs.h <<\_ACEOF
-#define XPointer char*
-_ACEOF
+   $as_echo "#define XPointer char*" >>confdefs.h
 
   fi
 
-{ $as_echo "$as_me:$LINENO: checking whether this is MacOS X" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether this is MacOS X" >&5
 $as_echo_n "checking whether this is MacOS X... " >&6; }
   ac_macosx=no
   case "$host" in
@@ -8186,7 +6419,7 @@ $as_echo_n "checking whether this is MacOS X... " >&6; }
       ac_macosx=yes
     ;;
   esac
-{ $as_echo "$as_me:$LINENO: result: $ac_macosx" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_macosx" >&5
 $as_echo "$ac_macosx" >&6; }
 
 
@@ -8199,7 +6432,7 @@ $as_echo "$ac_macosx" >&6; }
 
 
 if test -n ""; then
-    { $as_echo "$as_me:$LINENO: checking for intltool >= " >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for intltool >= " >&5
 $as_echo_n "checking for intltool >= ... " >&6; }
 
     INTLTOOL_REQUIRED_VERSION_AS_INT=`echo  | awk -F. '{ printf "%d", $1 * 100 + $2; }'`
@@ -8209,10 +6442,10 @@ $as_echo_n "checking for intltool >= ... " >&6; }
 
 
     if test "$INTLTOOL_APPLIED_VERSION_AS_INT" -ge "$INTLTOOL_REQUIRED_VERSION_AS_INT"; then
-	{ $as_echo "$as_me:$LINENO: result: $INTLTOOL_APPLIED_VERSION found" >&5
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INTLTOOL_APPLIED_VERSION found" >&5
 $as_echo "$INTLTOOL_APPLIED_VERSION found" >&6; }
     else
-	{ $as_echo "$as_me:$LINENO: result: $INTLTOOL_APPLIED_VERSION found. Your intltool is too old.  You need intltool  or later." >&5
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INTLTOOL_APPLIED_VERSION found. Your intltool is too old.  You need intltool  or later." >&5
 $as_echo "$INTLTOOL_APPLIED_VERSION found. Your intltool is too old.  You need intltool  or later." >&6; }
 	exit 1
     fi
@@ -8254,9 +6487,9 @@ INTLTOOL_UPDATE='$(top_builddir)/intltool-update'
 
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_INTLTOOL_PERL+set}" = set; then
+if ${ac_cv_path_INTLTOOL_PERL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $INTLTOOL_PERL in
@@ -8269,14 +6502,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_INTLTOOL_PERL="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
   ;;
@@ -8284,23 +6517,19 @@ esac
 fi
 INTLTOOL_PERL=$ac_cv_path_INTLTOOL_PERL
 if test -n "$INTLTOOL_PERL"; then
-  { $as_echo "$as_me:$LINENO: result: $INTLTOOL_PERL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $INTLTOOL_PERL" >&5
 $as_echo "$INTLTOOL_PERL" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
 
 if test -z "$INTLTOOL_PERL"; then
-   { { $as_echo "$as_me:$LINENO: error: perl not found; required for intltool" >&5
-$as_echo "$as_me: error: perl not found; required for intltool" >&2;}
-   { (exit 1); exit 1; }; }
+   as_fn_error $? "perl not found; required for intltool" "$LINENO" 5
 fi
 if test -z "`$INTLTOOL_PERL -v | fgrep '5.' 2> /dev/null`"; then
-   { { $as_echo "$as_me:$LINENO: error: perl 5.x required for intltool" >&5
-$as_echo "$as_me: error: perl 5.x required for intltool" >&2;}
-   { (exit 1); exit 1; }; }
+   as_fn_error $? "perl 5.x required for intltool" "$LINENO" 5
 fi
 
 # Remove file type tags (using []) from po/POTFILES.
@@ -8334,9 +6563,9 @@ ALL_LINGUAS="ca da de es et fi fr hu it ja ko nb nl pl pt pt_BR ru sk sv vi wa z
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then
+if ${ac_cv_prog_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -8347,24 +6576,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  { $as_echo "$as_me:$LINENO: result: $RANLIB" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
 $as_echo "$RANLIB" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -8374,9 +6603,9 @@ if test -z "$ac_cv_prog_RANLIB"; then
   ac_ct_RANLIB=$RANLIB
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -8387,24 +6616,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
 $as_echo "$ac_ct_RANLIB" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -8413,7 +6642,7 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
@@ -8423,102 +6652,9 @@ else
   RANLIB="$ac_cv_prog_RANLIB"
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for off_t" >&5
-$as_echo_n "checking for off_t... " >&6; }
-if test "${ac_cv_type_off_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_off_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (off_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((off_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_off_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
+ac_fn_c_check_type "$LINENO" "off_t" "ac_cv_type_off_t" "$ac_includes_default"
+if test "x$ac_cv_type_off_t" = xyes; then :
 
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_off_t" >&5
-$as_echo "$ac_cv_type_off_t" >&6; }
-if test "x$ac_cv_type_off_t" = x""yes; then
-  :
 else
 
 cat >>confdefs.h <<_ACEOF
@@ -8529,16 +6665,12 @@ fi
 
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
-{ $as_echo "$as_me:$LINENO: checking for working alloca.h" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5
 $as_echo_n "checking for working alloca.h... " >&6; }
-if test "${ac_cv_working_alloca_h+set}" = set; then
+if ${ac_cv_working_alloca_h+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <alloca.h>
 int
@@ -8550,59 +6682,28 @@ char *p = (char *) alloca (2 * sizeof (int));
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_working_alloca_h=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_working_alloca_h=no
+  ac_cv_working_alloca_h=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_working_alloca_h" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
 $as_echo "$ac_cv_working_alloca_h" >&6; }
 if test $ac_cv_working_alloca_h = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_ALLOCA_H 1
-_ACEOF
+$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for alloca" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5
 $as_echo_n "checking for alloca... " >&6; }
-if test "${ac_cv_func_alloca_works+set}" = set; then
+if ${ac_cv_func_alloca_works+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __GNUC__
 # define alloca __builtin_alloca
@@ -8618,7 +6719,7 @@ cat >>conftest.$ac_ext <<_ACEOF
  #pragma alloca
 #   else
 #    ifndef alloca /* predefined by HP cc +Olibcalls */
-char *alloca ();
+void *alloca (size_t);
 #    endif
 #   endif
 #  endif
@@ -8634,47 +6735,20 @@ char *p = (char *) alloca (1);
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_func_alloca_works=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_alloca_works=no
+  ac_cv_func_alloca_works=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_alloca_works" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
 $as_echo "$ac_cv_func_alloca_works" >&6; }
 
 if test $ac_cv_func_alloca_works = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_ALLOCA 1
-_ACEOF
+$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h
 
 else
   # The SVR3 libPW and SVR4 libucb both contain incompatible functions
@@ -8684,21 +6758,15 @@ else
 
 ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
 
-cat >>confdefs.h <<\_ACEOF
-#define C_ALLOCA 1
-_ACEOF
+$as_echo "#define C_ALLOCA 1" >>confdefs.h
 
 
-{ $as_echo "$as_me:$LINENO: checking whether \`alloca.c' needs Cray hooks" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5
 $as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
-if test "${ac_cv_os_cray+set}" = set; then
+if ${ac_cv_os_cray+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #if defined CRAY && ! defined CRAY2
 webecray
@@ -8708,7 +6776,7 @@ wenotbecray
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "webecray" >/dev/null 2>&1; then
+  $EGREP "webecray" >/dev/null 2>&1; then :
   ac_cv_os_cray=yes
 else
   ac_cv_os_cray=no
@@ -8716,101 +6784,13 @@ fi
 rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_os_cray" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5
 $as_echo "$ac_cv_os_cray" >&6; }
 if test $ac_cv_os_cray = yes; then
   for ac_func in _getb67 GETB67 getb67; do
     as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
 
 cat >>confdefs.h <<_ACEOF
 #define CRAY_STACKSEG_END $ac_func
@@ -8822,81 +6802,46 @@ fi
   done
 fi
 
-{ $as_echo "$as_me:$LINENO: checking stack direction for C alloca" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
 $as_echo_n "checking stack direction for C alloca... " >&6; }
-if test "${ac_cv_c_stack_direction+set}" = set; then
+if ${ac_cv_c_stack_direction+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   ac_cv_c_stack_direction=0
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
-find_stack_direction ()
+find_stack_direction (int *addr, int depth)
 {
-  static char *addr = 0;
-  auto char dummy;
-  if (addr == 0)
-    {
-      addr = &dummy;
-      return find_stack_direction ();
-    }
-  else
-    return (&dummy > addr) ? 1 : -1;
+  int dir, dummy = 0;
+  if (! addr)
+    addr = &dummy;
+  *addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
+  dir = depth ? find_stack_direction (addr, depth - 1) : 0;
+  return dir + dummy;
 }
 
 int
-main ()
+main (int argc, char **argv)
 {
-  return find_stack_direction () < 0;
+  return find_stack_direction (0, argc + !argv + 20) < 0;
 }
 _ACEOF
-rm -rf conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   ac_cv_c_stack_direction=1
 else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_c_stack_direction=-1
+  ac_cv_c_stack_direction=-1
 fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_stack_direction" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
 $as_echo "$ac_cv_c_stack_direction" >&6; }
-
 cat >>confdefs.h <<_ACEOF
 #define STACK_DIRECTION $ac_cv_c_stack_direction
 _ACEOF
@@ -8906,143 +6851,13 @@ fi
 
 
 
-for ac_header in stdlib.h unistd.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
 
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
-$as_echo_n "checking $ac_header presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-
-fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+  for ac_header in $ac_header_list
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -9052,119 +6867,32 @@ fi
 done
 
 
-for ac_func in getpagesize
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
 
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
 
-#undef $ac_func
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
 
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-	eval "$as_ac_var=no"
-fi
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+for ac_func in getpagesize
+do :
+  ac_fn_c_check_func "$LINENO" "getpagesize" "ac_cv_func_getpagesize"
+if test "x$ac_cv_func_getpagesize" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define HAVE_GETPAGESIZE 1
 _ACEOF
 
 fi
 done
 
-{ $as_echo "$as_me:$LINENO: checking for working mmap" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working mmap" >&5
 $as_echo_n "checking for working mmap... " >&6; }
-if test "${ac_cv_func_mmap_fixed_mapped+set}" = set; then
+if ${ac_cv_func_mmap_fixed_mapped+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   ac_cv_func_mmap_fixed_mapped=no
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 /* malloc might have been renamed as rpl_malloc. */
@@ -9201,11 +6929,6 @@ char *malloc ();
 
 /* This mess was copied from the GNU getpagesize.h.  */
 #ifndef HAVE_GETPAGESIZE
-/* Assume that all systems that can run configure have sys/param.h.  */
-# ifndef HAVE_SYS_PARAM_H
-#  define HAVE_SYS_PARAM_H 1
-# endif
-
 # ifdef _SC_PAGESIZE
 #  define getpagesize() sysconf(_SC_PAGESIZE)
 # else /* no _SC_PAGESIZE */
@@ -9240,8 +6963,9 @@ int
 main ()
 {
   char *data, *data2, *data3;
+  const char *cdata2;
   int i, pagesize;
-  int fd;
+  int fd, fd2;
 
   pagesize = getpagesize ();
 
@@ -9254,353 +6978,99 @@ main ()
   umask (0);
   fd = creat ("conftest.mmap", 0600);
   if (fd < 0)
-    return 1;
+    return 2;
   if (write (fd, data, pagesize) != pagesize)
-    return 1;
+    return 3;
   close (fd);
 
+  /* Next, check that the tail of a page is zero-filled.  File must have
+     non-zero length, otherwise we risk SIGBUS for entire page.  */
+  fd2 = open ("conftest.txt", O_RDWR | O_CREAT | O_TRUNC, 0600);
+  if (fd2 < 0)
+    return 4;
+  cdata2 = "";
+  if (write (fd2, cdata2, 1) != 1)
+    return 5;
+  data2 = (char *) mmap (0, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd2, 0L);
+  if (data2 == MAP_FAILED)
+    return 6;
+  for (i = 0; i < pagesize; ++i)
+    if (*(data2 + i))
+      return 7;
+  close (fd2);
+  if (munmap (data2, pagesize))
+    return 8;
+
   /* Next, try to mmap the file at a fixed address which already has
      something else allocated at it.  If we can, also make sure that
      we see the same garbage.  */
   fd = open ("conftest.mmap", O_RDWR);
   if (fd < 0)
-    return 1;
-  data2 = (char *) malloc (2 * pagesize);
-  if (!data2)
-    return 1;
-  data2 += (pagesize - ((long int) data2 & (pagesize - 1))) & (pagesize - 1);
+    return 9;
   if (data2 != mmap (data2, pagesize, PROT_READ | PROT_WRITE,
 		     MAP_PRIVATE | MAP_FIXED, fd, 0L))
-    return 1;
+    return 10;
   for (i = 0; i < pagesize; ++i)
     if (*(data + i) != *(data2 + i))
-      return 1;
-
-  /* Finally, make sure that changes to the mapped area do not
-     percolate back to the file as seen by read().  (This is a bug on
-     some variants of i386 svr4.0.)  */
-  for (i = 0; i < pagesize; ++i)
-    *(data2 + i) = *(data2 + i) + 1;
-  data3 = (char *) malloc (pagesize);
-  if (!data3)
-    return 1;
-  if (read (fd, data3, pagesize) != pagesize)
-    return 1;
-  for (i = 0; i < pagesize; ++i)
-    if (*(data + i) != *(data3 + i))
-      return 1;
-  close (fd);
-  return 0;
-}
-_ACEOF
-rm -rf conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_mmap_fixed_mapped=yes
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_func_mmap_fixed_mapped=no
-fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mmap_fixed_mapped" >&5
-$as_echo "$ac_cv_func_mmap_fixed_mapped" >&6; }
-if test $ac_cv_func_mmap_fixed_mapped = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MMAP 1
-_ACEOF
-
-fi
-rm -rf conftest.mmap
-
-
-
-
-
-
-
-
-
-
-for ac_header in argz.h limits.h locale.h nl_types.h malloc.h string.h \
-unistd.h sys/param.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
-$as_echo_n "checking $ac_header presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-
-fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-
-
-
-
-
-
-
-
-
-
-for ac_func in getcwd munmap putenv setenv setlocale strchr strcasecmp \
-strdup __argz_count __argz_stringify __argz_next
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
+      return 11;
 
-int
-main ()
-{
-return $ac_func ();
-  ;
+  /* Finally, make sure that changes to the mapped area do not
+     percolate back to the file as seen by read().  (This is a bug on
+     some variants of i386 svr4.0.)  */
+  for (i = 0; i < pagesize; ++i)
+    *(data2 + i) = *(data2 + i) + 1;
+  data3 = (char *) malloc (pagesize);
+  if (!data3)
+    return 12;
+  if (read (fd, data3, pagesize) != pagesize)
+    return 13;
+  for (i = 0; i < pagesize; ++i)
+    if (*(data + i) != *(data3 + i))
+      return 14;
+  close (fd);
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_func_mmap_fixed_mapped=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+  ac_cv_func_mmap_fixed_mapped=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_mmap_fixed_mapped" >&5
+$as_echo "$ac_cv_func_mmap_fixed_mapped" >&6; }
+if test $ac_cv_func_mmap_fixed_mapped = yes; then
+
+$as_echo "#define HAVE_MMAP 1" >>confdefs.h
 
-	eval "$as_ac_var=no"
 fi
+rm -rf conftest.mmap conftest.txt
+
+
+   for ac_header in argz.h limits.h locale.h nl_types.h malloc.h string.h \
+unistd.h sys/param.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+
+done
+
+   for ac_func in getcwd munmap putenv setenv setlocale strchr strcasecmp \
+strdup __argz_count __argz_stringify __argz_next
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -9610,16 +7080,12 @@ done
 
 
    if test $ac_cv_header_locale_h = yes; then
-    { $as_echo "$as_me:$LINENO: checking for LC_MESSAGES" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LC_MESSAGES" >&5
 $as_echo_n "checking for LC_MESSAGES... " >&6; }
-if test "${am_cv_val_LC_MESSAGES+set}" = set; then
+if ${am_cv_val_LC_MESSAGES+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <locale.h>
 int
@@ -9630,46 +7096,19 @@ return LC_MESSAGES
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   am_cv_val_LC_MESSAGES=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	am_cv_val_LC_MESSAGES=no
+  am_cv_val_LC_MESSAGES=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $am_cv_val_LC_MESSAGES" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_val_LC_MESSAGES" >&5
 $as_echo "$am_cv_val_LC_MESSAGES" >&6; }
     if test $am_cv_val_LC_MESSAGES = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_LC_MESSAGES 1
-_ACEOF
+$as_echo "#define HAVE_LC_MESSAGES 1" >>confdefs.h
 
     fi
   fi
@@ -9684,144 +7123,14 @@ _ACEOF
       nls_cv_header_libgt=
       CATOBJEXT=NONE
 
-      if test "${ac_cv_header_libintl_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for libintl.h" >&5
-$as_echo_n "checking for libintl.h... " >&6; }
-if test "${ac_cv_header_libintl_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_libintl_h" >&5
-$as_echo "$ac_cv_header_libintl_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking libintl.h usability" >&5
-$as_echo_n "checking libintl.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <libintl.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking libintl.h presence" >&5
-$as_echo_n "checking libintl.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <libintl.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: libintl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: libintl.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: libintl.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: libintl.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: libintl.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: libintl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: libintl.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: libintl.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: libintl.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for libintl.h" >&5
-$as_echo_n "checking for libintl.h... " >&6; }
-if test "${ac_cv_header_libintl_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_libintl_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_libintl_h" >&5
-$as_echo "$ac_cv_header_libintl_h" >&6; }
-
-fi
-if test "x$ac_cv_header_libintl_h" = x""yes; then
-  { $as_echo "$as_me:$LINENO: checking for dgettext in libc" >&5
+      ac_fn_c_check_header_mongrel "$LINENO" "libintl.h" "ac_cv_header_libintl_h" "$ac_includes_default"
+if test "x$ac_cv_header_libintl_h" = xyes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dgettext in libc" >&5
 $as_echo_n "checking for dgettext in libc... " >&6; }
-if test "${gt_cv_func_dgettext_libc+set}" = set; then
+if ${gt_cv_func_dgettext_libc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <libintl.h>
 int
@@ -9832,55 +7141,26 @@ return (int) dgettext ("","")
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   gt_cv_func_dgettext_libc=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	gt_cv_func_dgettext_libc=no
+  gt_cv_func_dgettext_libc=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $gt_cv_func_dgettext_libc" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_func_dgettext_libc" >&5
 $as_echo "$gt_cv_func_dgettext_libc" >&6; }
 
 	  if test "$gt_cv_func_dgettext_libc" != "yes"; then
-	    { $as_echo "$as_me:$LINENO: checking for bindtextdomain in -lintl" >&5
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bindtextdomain in -lintl" >&5
 $as_echo_n "checking for bindtextdomain in -lintl... " >&6; }
-if test "${ac_cv_lib_intl_bindtextdomain+set}" = set; then
+if ${ac_cv_lib_intl_bindtextdomain+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lintl  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -9898,60 +7178,31 @@ return bindtextdomain ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_intl_bindtextdomain=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_intl_bindtextdomain=no
+  ac_cv_lib_intl_bindtextdomain=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_intl_bindtextdomain" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_intl_bindtextdomain" >&5
 $as_echo "$ac_cv_lib_intl_bindtextdomain" >&6; }
-if test "x$ac_cv_lib_intl_bindtextdomain" = x""yes; then
-  { $as_echo "$as_me:$LINENO: checking for dgettext in libintl" >&5
+if test "x$ac_cv_lib_intl_bindtextdomain" = xyes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dgettext in libintl" >&5
 $as_echo_n "checking for dgettext in libintl... " >&6; }
-if test "${gt_cv_func_dgettext_libintl+set}" = set; then
+if ${gt_cv_func_dgettext_libintl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  { $as_echo "$as_me:$LINENO: checking for dgettext in -lintl" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dgettext in -lintl" >&5
 $as_echo_n "checking for dgettext in -lintl... " >&6; }
-if test "${ac_cv_lib_intl_dgettext+set}" = set; then
+if ${ac_cv_lib_intl_dgettext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lintl  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -9969,198 +7220,81 @@ return dgettext ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_intl_dgettext=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_intl_dgettext=no
+  ac_cv_lib_intl_dgettext=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_intl_dgettext" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_intl_dgettext" >&5
 $as_echo "$ac_cv_lib_intl_dgettext" >&6; }
-if test "x$ac_cv_lib_intl_dgettext" = x""yes; then
+if test "x$ac_cv_lib_intl_dgettext" = xyes; then :
   gt_cv_func_dgettext_libintl=yes
 else
   gt_cv_func_dgettext_libintl=no
 fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $gt_cv_func_dgettext_libintl" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_func_dgettext_libintl" >&5
 $as_echo "$gt_cv_func_dgettext_libintl" >&6; }
 fi
 
-	  fi
-
-          if test "$gt_cv_func_dgettext_libintl" = "yes"; then
-	    LIBS="$LIBS -lintl";
-          fi
-
-	  if test "$gt_cv_func_dgettext_libc" = "yes" \
-	    || test "$gt_cv_func_dgettext_libintl" = "yes"; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GETTEXT 1
-_ACEOF
-
-	    # Extract the first word of "msgfmt", so it can be a program name with args.
-set dummy msgfmt; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_MSGFMT+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  case "$MSGFMT" in
-  /*)
-  ac_cv_path_MSGFMT="$MSGFMT" # Let the user override the test with a path.
-  ;;
-  *)
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
-  for ac_dir in $PATH; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      if test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"; then
-	ac_cv_path_MSGFMT="$ac_dir/$ac_word"
-	break
-      fi
-    fi
-  done
-  IFS="$ac_save_ifs"
-  test -z "$ac_cv_path_MSGFMT" && ac_cv_path_MSGFMT="no"
-  ;;
-esac
-fi
-MSGFMT="$ac_cv_path_MSGFMT"
-if test -n "$MSGFMT"; then
-  { $as_echo "$as_me:$LINENO: result: $MSGFMT" >&5
-$as_echo "$MSGFMT" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-	    if test "$MSGFMT" != "no"; then
-
-for ac_func in dcgettext
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+	  fi
 
-	eval "$as_ac_var=no"
-fi
+          if test "$gt_cv_func_dgettext_libintl" = "yes"; then
+	    LIBS="$LIBS -lintl";
+          fi
+
+	  if test "$gt_cv_func_dgettext_libc" = "yes" \
+	    || test "$gt_cv_func_dgettext_libintl" = "yes"; then
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+$as_echo "#define HAVE_GETTEXT 1" >>confdefs.h
+
+	    # Extract the first word of "msgfmt", so it can be a program name with args.
+set dummy msgfmt; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_MSGFMT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case "$MSGFMT" in
+  /*)
+  ac_cv_path_MSGFMT="$MSGFMT" # Let the user override the test with a path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"; then
+	ac_cv_path_MSGFMT="$ac_dir/$ac_word"
+	break
+      fi
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_path_MSGFMT" && ac_cv_path_MSGFMT="no"
+  ;;
+esac
 fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+MSGFMT="$ac_cv_path_MSGFMT"
+if test -n "$MSGFMT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGFMT" >&5
+$as_echo "$MSGFMT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+	    if test "$MSGFMT" != "no"; then
+	      for ac_func in dcgettext
+do :
+  ac_fn_c_check_func "$LINENO" "dcgettext" "ac_cv_func_dcgettext"
+if test "x$ac_cv_func_dcgettext" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define HAVE_DCGETTEXT 1
 _ACEOF
 
 fi
@@ -10168,9 +7302,9 @@ done
 
 	      # Extract the first word of "gmsgfmt", so it can be a program name with args.
 set dummy gmsgfmt; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_GMSGFMT+set}" = set; then
+if ${ac_cv_path_GMSGFMT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $GMSGFMT in
@@ -10183,14 +7317,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_GMSGFMT="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
   test -z "$ac_cv_path_GMSGFMT" && ac_cv_path_GMSGFMT="$MSGFMT"
@@ -10199,19 +7333,19 @@ esac
 fi
 GMSGFMT=$ac_cv_path_GMSGFMT
 if test -n "$GMSGFMT"; then
-  { $as_echo "$as_me:$LINENO: result: $GMSGFMT" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GMSGFMT" >&5
 $as_echo "$GMSGFMT" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
 
 	      # Extract the first word of "xgettext", so it can be a program name with args.
 set dummy xgettext; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_XGETTEXT+set}" = set; then
+if ${ac_cv_path_XGETTEXT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case "$XGETTEXT" in
@@ -10236,18 +7370,14 @@ esac
 fi
 XGETTEXT="$ac_cv_path_XGETTEXT"
 if test -n "$XGETTEXT"; then
-  { $as_echo "$as_me:$LINENO: result: $XGETTEXT" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XGETTEXT" >&5
 $as_echo "$XGETTEXT" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
-	      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+	      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -10259,40 +7389,15 @@ extern int _nl_msg_cat_cntr;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   CATOBJEXT=.gmo
 	         DATADIRNAME=share
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	CATOBJEXT=.mo
+  CATOBJEXT=.mo
 	         DATADIRNAME=lib
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 	      INSTOBJEXT=.mo
 	    fi
 	  fi
@@ -10315,9 +7420,7 @@ fi
 
     if test "$nls_cv_use_gnu_gettext" != "yes"; then
 
-cat >>confdefs.h <<\_ACEOF
-#define ENABLE_NLS 1
-_ACEOF
+$as_echo "#define ENABLE_NLS 1" >>confdefs.h
 
     else
             CATOBJEXT=
@@ -10327,7 +7430,7 @@ _ACEOF
                   if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
         : ;
       else
-        { $as_echo "$as_me:$LINENO: result: found xgettext program is not GNU xgettext; ignore it" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: found xgettext program is not GNU xgettext; ignore it" >&5
 $as_echo "found xgettext program is not GNU xgettext; ignore it" >&6; }
         XGETTEXT=":"
       fi
@@ -10360,7 +7463,7 @@ $as_echo "found xgettext program is not GNU xgettext; ignore it" >&6; }
      if test "x$ALL_LINGUAS" = "x"; then
        LINGUAS=
      else
-       { $as_echo "$as_me:$LINENO: checking for catalogs to be installed" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for catalogs to be installed" >&5
 $as_echo_n "checking for catalogs to be installed... " >&6; }
        NEW_LINGUAS=
        for lang in ${LINGUAS=$ALL_LINGUAS}; do
@@ -10369,7 +7472,7 @@ $as_echo_n "checking for catalogs to be installed... " >&6; }
          esac
        done
        LINGUAS=$NEW_LINGUAS
-       { $as_echo "$as_me:$LINENO: result: $LINGUAS" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LINGUAS" >&5
 $as_echo "$LINGUAS" >&6; }
      fi
 
@@ -10380,134 +7483,8 @@ $as_echo "$LINGUAS" >&6; }
 
             test -d po || mkdir po
    if test "$CATOBJEXT" = ".cat"; then
-     if test "${ac_cv_header_linux_version_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for linux/version.h" >&5
-$as_echo_n "checking for linux/version.h... " >&6; }
-if test "${ac_cv_header_linux_version_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_linux_version_h" >&5
-$as_echo "$ac_cv_header_linux_version_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking linux/version.h usability" >&5
-$as_echo_n "checking linux/version.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <linux/version.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking linux/version.h presence" >&5
-$as_echo_n "checking linux/version.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <linux/version.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: linux/version.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: linux/version.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: linux/version.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: linux/version.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: linux/version.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: linux/version.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: linux/version.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: linux/version.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: linux/version.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for linux/version.h" >&5
-$as_echo_n "checking for linux/version.h... " >&6; }
-if test "${ac_cv_header_linux_version_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_linux_version_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_linux_version_h" >&5
-$as_echo "$ac_cv_header_linux_version_h" >&6; }
-
-fi
-if test "x$ac_cv_header_linux_version_h" = x""yes; then
+     ac_fn_c_check_header_mongrel "$LINENO" "linux/version.h" "ac_cv_header_linux_version_h" "$ac_includes_default"
+if test "x$ac_cv_header_linux_version_h" = xyes; then :
   msgformat=linux
 else
   msgformat=xopen
@@ -10568,54 +7545,11 @@ have_xmu=no
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/Xmu/Error.h" >&5
-$as_echo_n "checking for X11/Xmu/Error.h... " >&6; }
-if test "${ac_cv_header_X11_Xmu_Error_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
+  ac_fn_c_check_header_compile "$LINENO" "X11/Xmu/Error.h" "ac_cv_header_X11_Xmu_Error_h" "#include <stdlib.h>
                    #include <stdio.h>
                    #include <X11/Intrinsic.h>
-
-#include <X11/Xmu/Error.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_Xmu_Error_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_Xmu_Error_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_Xmu_Error_h" >&5
-$as_echo "$ac_cv_header_X11_Xmu_Error_h" >&6; }
-if test "x$ac_cv_header_X11_Xmu_Error_h" = x""yes; then
+"
+if test "x$ac_cv_header_X11_Xmu_Error_h" = xyes; then :
   have_xmu=yes
 fi
 
@@ -10629,9 +7563,7 @@ else
   XMU_SRCS=''
   XMU_OBJS=''
   XMU_LIBS='-lXmu'
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_XMU 1
-_ACEOF
+  $as_echo "#define HAVE_XMU 1" >>confdefs.h
 
 fi
 
@@ -10647,9 +7579,9 @@ fi
 if test "$have_xmu" = yes ; then
   case "$host" in
     *-sunos4*)
-    { $as_echo "$as_me:$LINENO: checking for the SunOS 4.1.x _get_wmShellWidgetClass bug" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the SunOS 4.1.x _get_wmShellWidgetClass bug" >&5
 $as_echo_n "checking for the SunOS 4.1.x _get_wmShellWidgetClass bug... " >&6; }
-if test "${ac_cv_sunos_xmu_bug+set}" = set; then
+if ${ac_cv_sunos_xmu_bug+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_LDFLAGS="$LDFLAGS"
@@ -10660,11 +7592,7 @@ else
                     # We're only getting away with using AC_TRY_LINK
                     # with X libraries because we know it's SunOS.
                     LDFLAGS="$LDFLAGS -lXmu -lXt -lX11 -lXext -lm"
-                    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+                    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -10675,55 +7603,26 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_sunos_xmu_bug=no
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_sunos_xmu_bug=yes
+  ac_cv_sunos_xmu_bug=yes
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
                     LDFLAGS="$ac_save_LDFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_sunos_xmu_bug" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sunos_xmu_bug" >&5
 $as_echo "$ac_cv_sunos_xmu_bug" >&6; }
     if test "$ac_cv_sunos_xmu_bug" = yes ; then
-      { $as_echo "$as_me:$LINENO: checking whether the compiler understands -static" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler understands -static" >&5
 $as_echo_n "checking whether the compiler understands -static... " >&6; }
-if test "${ac_cv_ld_static+set}" = set; then
+if ${ac_cv_ld_static+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_LDFLAGS="$LDFLAGS"
                       LDFLAGS="$LDFLAGS -static"
-                      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+                      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -10734,41 +7633,16 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_ld_static=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_ld_static=no
+  ac_cv_ld_static=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
                     LDFLAGS="$ac_save_LDFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_ld_static" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_ld_static" >&5
 $as_echo "$ac_cv_ld_static" >&6; }
       if test "$ac_cv_ld_static" = yes ; then
         LDFLAGS="$LDFLAGS -static"
@@ -10791,7 +7665,7 @@ have_hackdir=yes
 with_hackdir_req=unspecified
 
 # Check whether --with-hackdir was given.
-if test "${with_hackdir+set}" = set; then
+if test "${with_hackdir+set}" = set; then :
   withval=$with_hackdir; with_hackdir="$withval"; with_hackdir_req="$withval"
 else
   with_hackdir=yes
@@ -10817,7 +7691,7 @@ HACKDIR_FULL=`eval eval eval eval eval eval eval eval eval echo $HACKDIR`
 
 obsolete_enable=
 # Check whether --enable-subdir was given.
-if test "${enable_subdir+set}" = set; then
+if test "${enable_subdir+set}" = set; then :
   enableval=$enable_subdir; obsolete_enable=yes
 fi
 
@@ -10840,7 +7714,7 @@ have_configdir=yes
 with_configdir_req=unspecified
 
 # Check whether --with-configdir was given.
-if test "${with_configdir+set}" = set; then
+if test "${with_configdir+set}" = set; then :
   withval=$with_configdir; with_configdir="$withval"; with_configdir_req="$withval"
 else
   with_configdir=yes
@@ -10979,7 +7853,7 @@ have_dpms=no
 with_dpms_req=unspecified
 
 # Check whether --with-dpms-ext was given.
-if test "${with_dpms_ext+set}" = set; then
+if test "${with_dpms_ext+set}" = set; then :
   withval=$with_dpms_ext; with_dpms="$withval"; with_dpms_req="$withval"
 else
   with_dpms=yes
@@ -10992,27 +7866,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for DPMS headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMS headers" >&5
 $as_echo_n "checking for DPMS headers... " >&6; }
      d=$with_dpms/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for DPMS libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMS libs" >&5
 $as_echo_n "checking for DPMS libs... " >&6; }
      d=$with_dpms/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -11041,53 +7915,10 @@ if test "$with_dpms" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/dpms.h" >&5
-$as_echo_n "checking for X11/extensions/dpms.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_dpms_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/dpms.h" "ac_cv_header_X11_extensions_dpms_h" "#include <X11/Xlib.h>
 		     #include <X11/Xmd.h>
-
-#include <X11/extensions/dpms.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_dpms_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_dpms_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_dpms_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_dpms_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_dpms_h" = x""yes; then
+"
+if test "x$ac_cv_header_X11_extensions_dpms_h" = xyes; then :
   have_dpms=yes
 fi
 
@@ -11118,18 +7949,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for DPMSInfo in -lXext" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMSInfo in -lXext" >&5
 $as_echo_n "checking for DPMSInfo in -lXext... " >&6; }
-if test "${ac_cv_lib_Xext_DPMSInfo+set}" = set; then
+if ${ac_cv_lib_Xext_DPMSInfo+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXext -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -11147,43 +7974,18 @@ return DPMSInfo ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xext_DPMSInfo=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xext_DPMSInfo=no
+  ac_cv_lib_Xext_DPMSInfo=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xext_DPMSInfo" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_DPMSInfo" >&5
 $as_echo "$ac_cv_lib_Xext_DPMSInfo" >&6; }
-if test "x$ac_cv_lib_Xext_DPMSInfo" = x""yes; then
+if test "x$ac_cv_lib_Xext_DPMSInfo" = xyes; then :
   have_dpms=yes
 else
   true
@@ -11215,18 +8017,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for DPMSInfo in -lXdpms" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPMSInfo in -lXdpms" >&5
 $as_echo_n "checking for DPMSInfo in -lXdpms... " >&6; }
-if test "${ac_cv_lib_Xdpms_DPMSInfo+set}" = set; then
+if ${ac_cv_lib_Xdpms_DPMSInfo+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXdpms -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -11244,43 +8042,18 @@ return DPMSInfo ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xdpms_DPMSInfo=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xdpms_DPMSInfo=no
+  ac_cv_lib_Xdpms_DPMSInfo=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xdpms_DPMSInfo" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xdpms_DPMSInfo" >&5
 $as_echo "$ac_cv_lib_Xdpms_DPMSInfo" >&6; }
-if test "x$ac_cv_lib_Xdpms_DPMSInfo" = x""yes; then
+if test "x$ac_cv_lib_Xdpms_DPMSInfo" = xyes; then :
   have_dpms=yes; XDPMS_LIBS="-lXdpms"
 else
   true
@@ -11296,9 +8069,7 @@ fi
 
   # if that succeeded, then we've really got it.
   if test "$have_dpms" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_DPMS_EXTENSION 1
-_ACEOF
+    $as_echo "#define HAVE_DPMS_EXTENSION 1" >>confdefs.h
 
   fi
 
@@ -11318,7 +8089,7 @@ have_xinerama=no
 with_xinerama_req=unspecified
 
 # Check whether --with-xinerama-ext was given.
-if test "${with_xinerama_ext+set}" = set; then
+if test "${with_xinerama_ext+set}" = set; then :
   withval=$with_xinerama_ext; with_xinerama="$withval"; with_xinerama_req="$withval"
 else
   with_xinerama=yes
@@ -11331,27 +8102,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for XINERAMA headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XINERAMA headers" >&5
 $as_echo_n "checking for XINERAMA headers... " >&6; }
      d=$with_xinerama/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for XINERAMA libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XINERAMA libs" >&5
 $as_echo_n "checking for XINERAMA libs... " >&6; }
      d=$with_xinerama/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -11363,69 +8134,26 @@ $as_echo "not found ($d: no such directory)" >&6; }
     *)
      echo ""
      echo "error: argument to --with-xinerama-ext must be \"yes\", \"no\", or a directory."
-     echo "       If it is a directory, then \`DIR/include' will be added to"
-     echo "       the -I list, and \`DIR/lib' will be added to the -L list."
-     exit 1
-     ;;
-   esac
-
-
-if test "$with_xinerama" = yes; then
-
-  # first check for Xinerama.h
-
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  if test \! -z "$includedir" ; then
-    CPPFLAGS="$CPPFLAGS -I$includedir"
-  fi
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/Xinerama.h" >&5
-$as_echo_n "checking for X11/extensions/Xinerama.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_Xinerama_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/Xinerama.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_Xinerama_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+     echo "       If it is a directory, then \`DIR/include' will be added to"
+     echo "       the -I list, and \`DIR/lib' will be added to the -L list."
+     exit 1
+     ;;
+   esac
 
-	ac_cv_header_X11_extensions_Xinerama_h=no
-fi
 
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_Xinerama_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_Xinerama_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_Xinerama_h" = x""yes; then
+if test "$with_xinerama" = yes; then
+
+  # first check for Xinerama.h
+
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/Xinerama.h" "ac_cv_header_X11_extensions_Xinerama_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_Xinerama_h" = xyes; then :
   have_xinerama=yes
 fi
 
@@ -11456,18 +8184,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XineramaQueryScreens in -lXext" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XineramaQueryScreens in -lXext" >&5
 $as_echo_n "checking for XineramaQueryScreens in -lXext... " >&6; }
-if test "${ac_cv_lib_Xext_XineramaQueryScreens+set}" = set; then
+if ${ac_cv_lib_Xext_XineramaQueryScreens+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXext -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -11485,43 +8209,18 @@ return XineramaQueryScreens ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xext_XineramaQueryScreens=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xext_XineramaQueryScreens=no
+  ac_cv_lib_Xext_XineramaQueryScreens=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xext_XineramaQueryScreens" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_XineramaQueryScreens" >&5
 $as_echo "$ac_cv_lib_Xext_XineramaQueryScreens" >&6; }
-if test "x$ac_cv_lib_Xext_XineramaQueryScreens" = x""yes; then
+if test "x$ac_cv_lib_Xext_XineramaQueryScreens" = xyes; then :
   have_xinerama=yes
 else
   true
@@ -11553,18 +8252,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XineramaQueryScreens in -lXinerama" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XineramaQueryScreens in -lXinerama" >&5
 $as_echo_n "checking for XineramaQueryScreens in -lXinerama... " >&6; }
-if test "${ac_cv_lib_Xinerama_XineramaQueryScreens+set}" = set; then
+if ${ac_cv_lib_Xinerama_XineramaQueryScreens+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXinerama -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -11582,43 +8277,18 @@ return XineramaQueryScreens ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xinerama_XineramaQueryScreens=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xinerama_XineramaQueryScreens=no
+  ac_cv_lib_Xinerama_XineramaQueryScreens=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xinerama_XineramaQueryScreens" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xinerama_XineramaQueryScreens" >&5
 $as_echo "$ac_cv_lib_Xinerama_XineramaQueryScreens" >&6; }
-if test "x$ac_cv_lib_Xinerama_XineramaQueryScreens" = x""yes; then
+if test "x$ac_cv_lib_Xinerama_XineramaQueryScreens" = xyes; then :
   have_xinerama=yes; XINERAMA_LIBS="-lXinerama"
 else
   true
@@ -11633,9 +8303,7 @@ fi
 
   # if that succeeded, then we've really got it.
   if test "$have_xinerama" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XINERAMA 1
-_ACEOF
+    $as_echo "#define HAVE_XINERAMA 1" >>confdefs.h
 
   fi
 
@@ -11655,7 +8323,7 @@ have_xinput=no
 with_xinput_req=unspecified
 
 # Check whether --with-xinput-ext was given.
-if test "${with_xinput_ext+set}" = set; then
+if test "${with_xinput_ext+set}" = set; then :
   withval=$with_xinput_ext; with_xinput="$withval"; with_xinput_req="$withval"
 else
   with_xinput=yes
@@ -11668,27 +8336,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for XINPUT headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XINPUT headers" >&5
 $as_echo_n "checking for XINPUT headers... " >&6; }
      d=$with_xinput/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for XINPUT libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XINPUT libs" >&5
 $as_echo_n "checking for XINPUT libs... " >&6; }
      d=$with_xinput/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -11717,52 +8385,9 @@ if test "$with_xinput" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/XInput.h" >&5
-$as_echo_n "checking for X11/extensions/XInput.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_XInput_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/XInput.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_XInput_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_XInput_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_XInput_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_XInput_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_XInput_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/XInput.h" "ac_cv_header_X11_extensions_XInput_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_XInput_h" = xyes; then :
   have_xinput=yes
 fi
 
@@ -11791,18 +8416,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XListInputDevices in -lXi" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XListInputDevices in -lXi" >&5
 $as_echo_n "checking for XListInputDevices in -lXi... " >&6; }
-if test "${ac_cv_lib_Xi_XListInputDevices+set}" = set; then
+if ${ac_cv_lib_Xi_XListInputDevices+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXi -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -11820,43 +8441,18 @@ return XListInputDevices ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xi_XListInputDevices=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xi_XListInputDevices=no
+  ac_cv_lib_Xi_XListInputDevices=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xi_XListInputDevices" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xi_XListInputDevices" >&5
 $as_echo "$ac_cv_lib_Xi_XListInputDevices" >&6; }
-if test "x$ac_cv_lib_Xi_XListInputDevices" = x""yes; then
+if test "x$ac_cv_lib_Xi_XListInputDevices" = xyes; then :
   have_xinput=yes; SAVER_LIBS="$SAVER_LIBS -lXi"
 else
   true
@@ -11870,9 +8466,7 @@ fi
 
   # if that succeeded, then we've really got it.
   if test "$have_xinput" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XINPUT 1
-_ACEOF
+    $as_echo "#define HAVE_XINPUT 1" >>confdefs.h
 
   fi
 
@@ -11892,7 +8486,7 @@ have_xf86vmode=no
 with_xf86vmode_req=unspecified
 
 # Check whether --with-xf86vmode-ext was given.
-if test "${with_xf86vmode_ext+set}" = set; then
+if test "${with_xf86vmode_ext+set}" = set; then :
   withval=$with_xf86vmode_ext; with_xf86vmode="$withval"; with_xf86vmode_req="$withval"
 else
   with_xf86vmode=yes
@@ -11905,27 +8499,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for xf86vmode headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for xf86vmode headers" >&5
 $as_echo_n "checking for xf86vmode headers... " >&6; }
      d=$with_xf86vmode/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for xf86vmode libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for xf86vmode libs" >&5
 $as_echo_n "checking for xf86vmode libs... " >&6; }
      d=$with_xf86vmode/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -11956,52 +8550,9 @@ if test "$with_xf86vmode" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/xf86vmode.h" >&5
-$as_echo_n "checking for X11/extensions/xf86vmode.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_xf86vmode_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/xf86vmode.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_xf86vmode_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_xf86vmode_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_xf86vmode_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_xf86vmode_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_xf86vmode_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/xf86vmode.h" "ac_cv_header_X11_extensions_xf86vmode_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_xf86vmode_h" = xyes; then :
   have_xf86vmode=yes
 fi
 
@@ -12030,18 +8581,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XF86VidModeGetViewPort in -lXxf86vm" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XF86VidModeGetViewPort in -lXxf86vm" >&5
 $as_echo_n "checking for XF86VidModeGetViewPort in -lXxf86vm... " >&6; }
-if test "${ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort+set}" = set; then
+if ${ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXxf86vm -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12059,43 +8606,18 @@ return XF86VidModeGetViewPort ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort=no
+  ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort" >&5
 $as_echo "$ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort" >&6; }
-if test "x$ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort" = x""yes; then
+if test "x$ac_cv_lib_Xxf86vm_XF86VidModeGetViewPort" = xyes; then :
   have_xf86vmode=yes;
                    VIDMODE_LIBS="-lXxf86vm";
                    SAVER_LIBS="$SAVER_LIBS $VIDMODE_LIBS"
@@ -12111,9 +8633,7 @@ fi
 
   # if that succeeded, then we've really got it.
   if test "$have_xf86vmode" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XF86VMODE 1
-_ACEOF
+    $as_echo "#define HAVE_XF86VMODE 1" >>confdefs.h
 
   fi
 
@@ -12134,7 +8654,7 @@ have_xf86gamma_ramp=no
 with_xf86gamma_req=unspecified
 
 # Check whether --with-xf86gamma-ext was given.
-if test "${with_xf86gamma_ext+set}" = set; then
+if test "${with_xf86gamma_ext+set}" = set; then :
   withval=$with_xf86gamma_ext; with_xf86gamma="$withval"; with_xf86gamma_req="$withval"
 else
   with_xf86gamma=yes
@@ -12147,27 +8667,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for xf86gamma headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for xf86gamma headers" >&5
 $as_echo_n "checking for xf86gamma headers... " >&6; }
      d=$with_xf86gamma/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for xf86gamma libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for xf86gamma libs" >&5
 $as_echo_n "checking for xf86gamma libs... " >&6; }
      d=$with_xf86gamma/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -12199,52 +8719,9 @@ if test "$with_xf86gamma" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/xf86vmode.h" >&5
-$as_echo_n "checking for X11/extensions/xf86vmode.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_xf86vmode_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/xf86vmode.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_xf86vmode_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_xf86vmode_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_xf86vmode_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_xf86vmode_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_xf86vmode_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/xf86vmode.h" "ac_cv_header_X11_extensions_xf86vmode_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_xf86vmode_h" = xyes; then :
   have_xf86gamma=yes
 fi
 
@@ -12274,18 +8751,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XF86VidModeSetGamma in -lXxf86vm" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XF86VidModeSetGamma in -lXxf86vm" >&5
 $as_echo_n "checking for XF86VidModeSetGamma in -lXxf86vm... " >&6; }
-if test "${ac_cv_lib_Xxf86vm_XF86VidModeSetGamma+set}" = set; then
+if ${ac_cv_lib_Xxf86vm_XF86VidModeSetGamma+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXxf86vm -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12303,43 +8776,18 @@ return XF86VidModeSetGamma ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xxf86vm_XF86VidModeSetGamma=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xxf86vm_XF86VidModeSetGamma=no
+  ac_cv_lib_Xxf86vm_XF86VidModeSetGamma=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xxf86vm_XF86VidModeSetGamma" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xxf86vm_XF86VidModeSetGamma" >&5
 $as_echo "$ac_cv_lib_Xxf86vm_XF86VidModeSetGamma" >&6; }
-if test "x$ac_cv_lib_Xxf86vm_XF86VidModeSetGamma" = x""yes; then
+if test "x$ac_cv_lib_Xxf86vm_XF86VidModeSetGamma" = xyes; then :
   have_xf86gamma=yes
 else
   true
@@ -12373,18 +8821,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XF86VidModeSetGammaRamp in -lXxf86vm" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XF86VidModeSetGammaRamp in -lXxf86vm" >&5
 $as_echo_n "checking for XF86VidModeSetGammaRamp in -lXxf86vm... " >&6; }
-if test "${ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp+set}" = set; then
+if ${ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXxf86vm -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12402,43 +8846,18 @@ return XF86VidModeSetGammaRamp ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp=no
+  ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp" >&5
 $as_echo "$ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp" >&6; }
-if test "x$ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp" = x""yes; then
+if test "x$ac_cv_lib_Xxf86vm_XF86VidModeSetGammaRamp" = xyes; then :
   have_xf86gamma_ramp=yes
 else
   true
@@ -12452,16 +8871,12 @@ fi
 
   # if those tests succeeded, then we've really got the functions.
   if test "$have_xf86gamma" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XF86VMODE_GAMMA 1
-_ACEOF
+    $as_echo "#define HAVE_XF86VMODE_GAMMA 1" >>confdefs.h
 
   fi
 
   if test "$have_xf86gamma_ramp" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XF86VMODE_GAMMA_RAMP 1
-_ACEOF
+    $as_echo "#define HAVE_XF86VMODE_GAMMA_RAMP 1" >>confdefs.h
 
   fi
 
@@ -12490,7 +8905,7 @@ have_randr=no
 with_randr_req=unspecified
 
 # Check whether --with-randr-ext was given.
-if test "${with_randr_ext+set}" = set; then
+if test "${with_randr_ext+set}" = set; then :
   withval=$with_randr_ext; with_randr="$withval"; with_randr_req="$withval"
 else
   with_randr=yes
@@ -12503,27 +8918,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for RANDR headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for RANDR headers" >&5
 $as_echo_n "checking for RANDR headers... " >&6; }
      d=$with_randr/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for RANDR libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for RANDR libs" >&5
 $as_echo_n "checking for RANDR libs... " >&6; }
      d=$with_randr/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -12552,52 +8967,9 @@ if test "$with_randr" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/Xrandr.h" >&5
-$as_echo_n "checking for X11/extensions/Xrandr.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_Xrandr_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/Xrandr.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_Xrandr_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_Xrandr_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_Xrandr_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_Xrandr_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_Xrandr_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/Xrandr.h" "ac_cv_header_X11_extensions_Xrandr_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_Xrandr_h" = xyes; then :
   have_randr=yes
 fi
 
@@ -12628,18 +9000,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XRenderSetSubpixelOrder in -lXrender" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XRenderSetSubpixelOrder in -lXrender" >&5
 $as_echo_n "checking for XRenderSetSubpixelOrder in -lXrender... " >&6; }
-if test "${ac_cv_lib_Xrender_XRenderSetSubpixelOrder+set}" = set; then
+if ${ac_cv_lib_Xrender_XRenderSetSubpixelOrder+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXrender -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12657,43 +9025,18 @@ return XRenderSetSubpixelOrder ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xrender_XRenderSetSubpixelOrder=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xrender_XRenderSetSubpixelOrder=no
+  ac_cv_lib_Xrender_XRenderSetSubpixelOrder=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xrender_XRenderSetSubpixelOrder" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xrender_XRenderSetSubpixelOrder" >&5
 $as_echo "$ac_cv_lib_Xrender_XRenderSetSubpixelOrder" >&6; }
-if test "x$ac_cv_lib_Xrender_XRenderSetSubpixelOrder" = x""yes; then
+if test "x$ac_cv_lib_Xrender_XRenderSetSubpixelOrder" = xyes; then :
   xrender_libs="-lXrender"
 else
   true
@@ -12725,18 +9068,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XRRGetScreenInfo in -lXext" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XRRGetScreenInfo in -lXext" >&5
 $as_echo_n "checking for XRRGetScreenInfo in -lXext... " >&6; }
-if test "${ac_cv_lib_Xext_XRRGetScreenInfo+set}" = set; then
+if ${ac_cv_lib_Xext_XRRGetScreenInfo+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXext $xrender_libs -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12754,43 +9093,18 @@ return XRRGetScreenInfo ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xext_XRRGetScreenInfo=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xext_XRRGetScreenInfo=no
+  ac_cv_lib_Xext_XRRGetScreenInfo=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xext_XRRGetScreenInfo" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_XRRGetScreenInfo" >&5
 $as_echo "$ac_cv_lib_Xext_XRRGetScreenInfo" >&6; }
-if test "x$ac_cv_lib_Xext_XRRGetScreenInfo" = x""yes; then
+if test "x$ac_cv_lib_Xext_XRRGetScreenInfo" = xyes; then :
   have_randr=yes; SAVER_LIBS="$SAVER_LIBS $xrender_libs"
 else
   true
@@ -12822,18 +9136,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XRRGetScreenInfo in -lXrandr" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XRRGetScreenInfo in -lXrandr" >&5
 $as_echo_n "checking for XRRGetScreenInfo in -lXrandr... " >&6; }
-if test "${ac_cv_lib_Xrandr_XRRGetScreenInfo+set}" = set; then
+if ${ac_cv_lib_Xrandr_XRRGetScreenInfo+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXrandr $xrender_libs -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12851,43 +9161,18 @@ return XRRGetScreenInfo ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xrandr_XRRGetScreenInfo=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xrandr_XRRGetScreenInfo=no
+  ac_cv_lib_Xrandr_XRRGetScreenInfo=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xrandr_XRRGetScreenInfo" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xrandr_XRRGetScreenInfo" >&5
 $as_echo "$ac_cv_lib_Xrandr_XRRGetScreenInfo" >&6; }
-if test "x$ac_cv_lib_Xrandr_XRRGetScreenInfo" = x""yes; then
+if test "x$ac_cv_lib_Xrandr_XRRGetScreenInfo" = xyes; then :
   have_randr=yes; SAVER_LIBS="$SAVER_LIBS -lXrandr $xrender_libs"
 else
   true
@@ -12902,16 +9187,14 @@ fi
 
   # if that succeeded, then we've really got it.
   if test "$have_randr" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_RANDR 1
-_ACEOF
+    $as_echo "#define HAVE_RANDR 1" >>confdefs.h
 
 
     # Now check for version 1.2 in the same libs.
     # Try to compile, since on MacOS 10.5.7, headers are older than libs!
-    { $as_echo "$as_me:$LINENO: checking for XRRGetScreenResources" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XRRGetScreenResources" >&5
 $as_echo_n "checking for XRRGetScreenResources... " >&6; }
-if test "${ac_cv_randr_12+set}" = set; then
+if ${ac_cv_randr_12+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_randr_12=no
@@ -12922,11 +9205,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                          #include <X11/Xlib.h>
@@ -12935,46 +9214,23 @@ int
 main ()
 {
 XRRScreenResources *res =
-                           XRRGetScreenResources (0, 0);
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+                           XRRGetScreenResources (0, 0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_randr_12=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_randr_12=no
+  ac_cv_randr_12=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_randr_12" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_randr_12" >&5
 $as_echo "$ac_cv_randr_12" >&6; }
     if test "$ac_cv_randr_12" = yes ; then
-      cat >>confdefs.h <<\_ACEOF
-#define HAVE_RANDR_12 1
-_ACEOF
+      $as_echo "#define HAVE_RANDR_12 1" >>confdefs.h
 
     fi
 #   AC_CHECK_X_LIB(c, XRRGetOutputInfo, [AC_DEFINE(HAVE_RANDR_12)],
@@ -13016,18 +9272,14 @@ if test "$have_xf86gamma" = yes -o "$have_xf86vmode" = yes; then
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XF86MiscSetGrabKeysState in -lXxf86misc" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XF86MiscSetGrabKeysState in -lXxf86misc" >&5
 $as_echo_n "checking for XF86MiscSetGrabKeysState in -lXxf86misc... " >&6; }
-if test "${ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState+set}" = set; then
+if ${ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXxf86misc -lXext -lX11 $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -13045,43 +9297,18 @@ return XF86MiscSetGrabKeysState ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState=no
+  ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState" >&5
 $as_echo "$ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState" >&6; }
-if test "x$ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState" = x""yes; then
+if test "x$ac_cv_lib_Xxf86misc_XF86MiscSetGrabKeysState" = xyes; then :
   have_xf86miscsetgrabkeysstate=yes
 else
   true
@@ -13093,9 +9320,7 @@ fi
 
   if test "$have_xf86miscsetgrabkeysstate" = yes ; then
     SAVER_LIBS="$SAVER_LIBS -lXxf86misc"
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XF86MISCSETGRABKEYSSTATE 1
-_ACEOF
+    $as_echo "#define HAVE_XF86MISCSETGRABKEYSSTATE 1" >>confdefs.h
 
   fi
 fi
@@ -13107,7 +9332,7 @@ fi
 #
 ###############################################################################
 
-{ $as_echo "$as_me:$LINENO: checking for XHPDisableReset in X11/XHPlib.h" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for XHPDisableReset in X11/XHPlib.h" >&5
 $as_echo_n "checking for XHPDisableReset in X11/XHPlib.h... " >&6; }
 
   ac_save_CPPFLAGS="$CPPFLAGS"
@@ -13116,26 +9341,20 @@ $as_echo_n "checking for XHPDisableReset in X11/XHPlib.h... " >&6; }
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <X11/XHPlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "XHPDisableReset" >/dev/null 2>&1; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_XHPDISABLERESET 1
-_ACEOF
+  $EGREP "XHPDisableReset" >/dev/null 2>&1; then :
+  $as_echo "#define HAVE_XHPDISABLERESET 1" >>confdefs.h
 
                    SAVER_LIBS="-lXhp11 $SAVER_LIBS"
-                   { $as_echo "$as_me:$LINENO: result: yes" >&5
+                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 rm -rf conftest*
@@ -13153,7 +9372,7 @@ have_proc_interrupts=no
 with_proc_interrupts_req=unspecified
 
 # Check whether --with-proc-interrupts was given.
-if test "${with_proc_interrupts+set}" = set; then
+if test "${with_proc_interrupts+set}" = set; then :
   withval=$with_proc_interrupts; with_proc_interrupts="$withval"; with_proc_interrupts_req="$withval"
 else
   with_proc_interrupts=yes
@@ -13169,9 +9388,9 @@ if test "$with_proc_interrupts" = yes; then
   have_proc_interrupts=yes
 
   if test -f /proc/interrupts; then
-   { $as_echo "$as_me:$LINENO: checking whether /proc/interrupts contains keyboard data" >&5
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether /proc/interrupts contains keyboard data" >&5
 $as_echo_n "checking whether /proc/interrupts contains keyboard data... " >&6; }
-if test "${ac_cv_have_proc_interrupts+set}" = set; then
+if ${ac_cv_have_proc_interrupts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_have_proc_interrupts=no
@@ -13180,15 +9399,13 @@ else
      fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_proc_interrupts" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_proc_interrupts" >&5
 $as_echo "$ac_cv_have_proc_interrupts" >&6; }
    have_proc_interrupts=$ac_cv_have_proc_interrupts
   fi
 
   if test "$have_proc_interrupts" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_PROC_INTERRUPTS 1
-_ACEOF
+    $as_echo "#define HAVE_PROC_INTERRUPTS 1" >>confdefs.h
 
   fi
 
@@ -13205,7 +9422,7 @@ fi
 ###############################################################################
 
 # Check whether --enable-locking was given.
-if test "${enable_locking+set}" = set; then
+if test "${enable_locking+set}" = set; then :
   enableval=$enable_locking; enable_locking="$enableval"
 else
   if test "$ac_macosx" = yes; then
@@ -13221,9 +9438,7 @@ fi
 if test "$enable_locking" = yes; then
   true
 elif test "$enable_locking" = no; then
-  cat >>confdefs.h <<\_ACEOF
-#define NO_LOCKING 1
-_ACEOF
+  $as_echo "#define NO_LOCKING 1" >>confdefs.h
 
 else
   echo "error: must be yes or no: --enable-locking=$enable_locking"
@@ -13237,16 +9452,14 @@ fi
 #
 ###############################################################################
 # Check whether --enable-root-passwd was given.
-if test "${enable_root_passwd+set}" = set; then
+if test "${enable_root_passwd+set}" = set; then :
   enableval=$enable_root_passwd; enable_root_passwd="$enableval"
 else
   enable_root_passwd=yes
 fi
 
 if test "$enable_root_passwd" = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define ALLOW_ROOT_PASSWD 1
-_ACEOF
+  $as_echo "#define ALLOW_ROOT_PASSWD 1" >>confdefs.h
 
   true
 elif test "$enable_root_passwd" != no; then
@@ -13277,7 +9490,7 @@ with_pam_req=unspecified
 
 
 # Check whether --with-pam was given.
-if test "${with_pam+set}" = set; then
+if test "${with_pam+set}" = set; then :
   withval=$with_pam; with_pam="$withval"; with_pam_req="$withval"
 else
   with_pam=$with_pam_default
@@ -13286,40 +9499,56 @@ fi
 
 
 # Check whether --with-pam_service_name was given.
-if test "${with_pam_service_name+set}" = set; then
+if test "${with_pam_service_name+set}" = set; then :
   withval=$with_pam_service_name; pam_service_name="$withval"
 else
   pam_service_name="xscreensaver"
 fi
 
 
+# Check whether --enable-pam-check-account-type was given.
+if test "${enable_pam_check_account_type+set}" = set; then :
+  enableval=$enable_pam_check_account_type; enable_pam_check_account_type="$enableval"
+else
+  enable_pam_check_account_type=no
+fi
+
+if test "$enable_pam_check_account_type" = yes ; then
+  $as_echo "#define PAM_CHECK_ACCOUNT_TYPE 1" >>confdefs.h
+
+  true
+elif test "$enable_pam_check_account_type" != no ; then
+  echo "error: must be yes or no: --enable-pam-check-account-type=$enable_pam_check_account_type"
+  exit 1
+fi
+
 
    case "$with_pam" in
     yes) ;;
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for PAM headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PAM headers" >&5
 $as_echo_n "checking for PAM headers... " >&6; }
      d=$with_pam/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for PAM libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PAM libs" >&5
 $as_echo_n "checking for PAM libs... " >&6; }
      d=$with_pam/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -13339,9 +9568,9 @@ $as_echo "not found ($d: no such directory)" >&6; }
 
 
 if test "$enable_locking" = yes -a "$with_pam" = yes; then
-  { $as_echo "$as_me:$LINENO: checking for PAM" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PAM" >&5
 $as_echo_n "checking for PAM... " >&6; }
-if test "${ac_cv_pam+set}" = set; then
+if ${ac_cv_pam+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -13351,11 +9580,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <security/pam_appl.h>
 int
@@ -13366,42 +9591,19 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_pam=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_pam=no
+  ac_cv_pam=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_pam" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pam" >&5
 $as_echo "$ac_cv_pam" >&6; }
   if test "$ac_cv_pam" = yes ; then
     have_pam=yes
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_PAM 1
-_ACEOF
+    $as_echo "#define HAVE_PAM 1" >>confdefs.h
 
     cat >>confdefs.h <<_ACEOF
 #define PAM_SERVICE_NAME "$pam_service_name"
@@ -13412,18 +9614,14 @@ _ACEOF
 
     # libpam typically requires dlopen and dlsym.  On FreeBSD,
     # those are in libc.  On Linux and Solaris, they're in libdl.
-    { $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlopen+set}" = set; then
+if ${ac_cv_lib_dl_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -13441,61 +9639,32 @@ return dlopen ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_dl_dlopen=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_dl_dlopen=no
+  ac_cv_lib_dl_dlopen=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = x""yes; then
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
   PASSWD_LIBS="${PASSWD_LIBS} -ldl"
 fi
 
 
     # On Linux, sigtimedwait() is in libc; on Solaris, it's in librt.
     have_timedwait=no
-    { $as_echo "$as_me:$LINENO: checking for sigtimedwait in -lc" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigtimedwait in -lc" >&5
 $as_echo_n "checking for sigtimedwait in -lc... " >&6; }
-if test "${ac_cv_lib_c_sigtimedwait+set}" = set; then
+if ${ac_cv_lib_c_sigtimedwait+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -13513,63 +9682,32 @@ return sigtimedwait ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_c_sigtimedwait=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_c_sigtimedwait=no
+  ac_cv_lib_c_sigtimedwait=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_sigtimedwait" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_sigtimedwait" >&5
 $as_echo "$ac_cv_lib_c_sigtimedwait" >&6; }
-if test "x$ac_cv_lib_c_sigtimedwait" = x""yes; then
+if test "x$ac_cv_lib_c_sigtimedwait" = xyes; then :
   have_timedwait=yes
-                  cat >>confdefs.h <<\_ACEOF
-#define HAVE_SIGTIMEDWAIT 1
-_ACEOF
+                  $as_echo "#define HAVE_SIGTIMEDWAIT 1" >>confdefs.h
 
 fi
 
     if test "$have_timedwait" = no ; then
-      { $as_echo "$as_me:$LINENO: checking for sigtimedwait in -lrt" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigtimedwait in -lrt" >&5
 $as_echo_n "checking for sigtimedwait in -lrt... " >&6; }
-if test "${ac_cv_lib_rt_sigtimedwait+set}" = set; then
+if ${ac_cv_lib_rt_sigtimedwait+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lrt  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -13587,56 +9725,29 @@ return sigtimedwait ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_rt_sigtimedwait=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_rt_sigtimedwait=no
+  ac_cv_lib_rt_sigtimedwait=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_rt_sigtimedwait" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_sigtimedwait" >&5
 $as_echo "$ac_cv_lib_rt_sigtimedwait" >&6; }
-if test "x$ac_cv_lib_rt_sigtimedwait" = x""yes; then
+if test "x$ac_cv_lib_rt_sigtimedwait" = xyes; then :
   have_timedwait=yes
-                                      cat >>confdefs.h <<\_ACEOF
-#define HAVE_SIGTIMEDWAIT 1
-_ACEOF
+                                      $as_echo "#define HAVE_SIGTIMEDWAIT 1" >>confdefs.h
 
                                       PASSWD_LIBS="${PASSWD_LIBS} -lrt"
 fi
 
     fi
 
-    { $as_echo "$as_me:$LINENO: checking how to call pam_strerror" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to call pam_strerror" >&5
 $as_echo_n "checking how to call pam_strerror... " >&6; }
-    if test "${ac_cv_pam_strerror_args+set}" = set; then
+    if ${ac_cv_pam_strerror_args+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -13646,11 +9757,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
                         #include <stdlib.h>
@@ -13664,29 +9771,9 @@ pam_handle_t *pamh = 0;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_pam_strerror_args=2
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
 
   ac_save_CPPFLAGS="$CPPFLAGS"
   if test \! -z "$includedir" ; then
@@ -13694,11 +9781,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
                                           #include <stdlib.h>
@@ -13712,36 +9795,14 @@ char *s =
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_pam_strerror_args=1
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_pam_strerror_args=0
+  ac_pam_strerror_args=0
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
       ac_cv_pam_strerror_args=$ac_pam_strerror_args
@@ -13749,33 +9810,27 @@ fi
 
     ac_pam_strerror_args=$ac_cv_pam_strerror_args
     if test "$ac_pam_strerror_args" = 1 ; then
-      { $as_echo "$as_me:$LINENO: result: one argument" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: one argument" >&5
 $as_echo "one argument" >&6; }
     elif test "$ac_pam_strerror_args" = 2 ; then
-      cat >>confdefs.h <<\_ACEOF
-#define PAM_STRERROR_TWO_ARGS 1
-_ACEOF
+      $as_echo "#define PAM_STRERROR_TWO_ARGS 1" >>confdefs.h
 
-      { $as_echo "$as_me:$LINENO: result: two arguments" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: two arguments" >&5
 $as_echo "two arguments" >&6; }
     else
-      { $as_echo "$as_me:$LINENO: result: unknown" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
 $as_echo "unknown" >&6; }
     fi
 
 # Check pam_fail_delay
-    { $as_echo "$as_me:$LINENO: checking pam_fail_delay in -lpam" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking pam_fail_delay in -lpam" >&5
 $as_echo_n "checking pam_fail_delay in -lpam... " >&6; }
-    if test "${ac_cv_pam_fail_delay+set}" = set; then
+    if ${ac_cv_pam_fail_delay+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_LDFLAGS="$LDFLAGS"
       LDFLAGS="-lpam"
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <security/pam_appl.h>
 int
@@ -13788,52 +9843,25 @@ pam_handle_t *pamh = 0;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_pam_fail_delay=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_pam_fail_delay=no
+  ac_pam_fail_delay=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
       ac_cv_pam_fail_delay=$ac_pam_fail_delay,
       LDFLAGS=$ac_save_LDFLAGS
 fi
 
 
       if test "$ac_pam_fail_delay" = yes ; then
-        { $as_echo "$as_me:$LINENO: result: yes" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-        cat >>confdefs.h <<\_ACEOF
-#define HAVE_PAM_FAIL_DELAY 1
-_ACEOF
+        $as_echo "#define HAVE_PAM_FAIL_DELAY 1" >>confdefs.h
 
       else
-        { $as_echo "$as_me:$LINENO: result: no" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
       fi
 
@@ -13853,7 +9881,7 @@ with_kerberos_req=unspecified
 
 
 # Check whether --with-kerberos was given.
-if test "${with_kerberos+set}" = set; then
+if test "${with_kerberos+set}" = set; then :
   withval=$with_kerberos; with_kerberos="$withval"; with_kerberos_req="$withval"
 else
   with_kerberos=yes
@@ -13866,27 +9894,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for Kerberos headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Kerberos headers" >&5
 $as_echo_n "checking for Kerberos headers... " >&6; }
      d=$with_kerberos/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for Kerberos libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Kerberos libs" >&5
 $as_echo_n "checking for Kerberos libs... " >&6; }
      d=$with_kerberos/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -13906,9 +9934,9 @@ $as_echo "not found ($d: no such directory)" >&6; }
 
 
 if test "$enable_locking" = yes -a "$with_kerberos" = yes; then
-  { $as_echo "$as_me:$LINENO: checking for Kerberos 4" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Kerberos 4" >&5
 $as_echo_n "checking for Kerberos 4... " >&6; }
-if test "${ac_cv_kerberos+set}" = set; then
+if ${ac_cv_kerberos+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -13918,11 +9946,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <krb.h>
 int
@@ -13933,40 +9957,19 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_kerberos=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_kerberos=no
+  ac_cv_kerberos=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_kerberos" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_kerberos" >&5
 $as_echo "$ac_cv_kerberos" >&6; }
-  { $as_echo "$as_me:$LINENO: checking for Kerberos 5" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Kerberos 5" >&5
 $as_echo_n "checking for Kerberos 5... " >&6; }
-if test "${ac_cv_kerberos5+set}" = set; then
+if ${ac_cv_kerberos5+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -13976,11 +9979,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <kerberosIV/krb.h>
 int
@@ -13991,43 +9990,20 @@ main ()
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_kerberos5=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_kerberos5=no
+  ac_cv_kerberos5=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_kerberos5" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_kerberos5" >&5
 $as_echo "$ac_cv_kerberos5" >&6; }
 
   if test "$ac_cv_kerberos" = yes ; then
     have_kerberos=yes
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_KERBEROS 1
-_ACEOF
+    $as_echo "#define HAVE_KERBEROS 1" >>confdefs.h
 
   fi
 
@@ -14062,18 +10038,14 @@ _ACEOF
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for krb_get_tf_realm in -lkrb4" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for krb_get_tf_realm in -lkrb4" >&5
 $as_echo_n "checking for krb_get_tf_realm in -lkrb4... " >&6; }
-if test "${ac_cv_lib_krb4_krb_get_tf_realm+set}" = set; then
+if ${ac_cv_lib_krb4_krb_get_tf_realm+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lkrb4  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -14091,43 +10063,18 @@ return krb_get_tf_realm ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_krb4_krb_get_tf_realm=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_krb4_krb_get_tf_realm=no
+  ac_cv_lib_krb4_krb_get_tf_realm=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_krb4_krb_get_tf_realm" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_krb4_krb_get_tf_realm" >&5
 $as_echo "$ac_cv_lib_krb4_krb_get_tf_realm" >&6; }
-if test "x$ac_cv_lib_krb4_krb_get_tf_realm" = x""yes; then
+if test "x$ac_cv_lib_krb4_krb_get_tf_realm" = xyes; then :
   have_kerberos=yes
 else
   have_kerberos=no
@@ -14139,17 +10086,13 @@ fi
 
     if test "$have_kerberos" = yes ; then
       have_kerberos5=yes
-      cat >>confdefs.h <<\_ACEOF
-#define HAVE_KERBEROS 1
-_ACEOF
+      $as_echo "#define HAVE_KERBEROS 1" >>confdefs.h
 
-      cat >>confdefs.h <<\_ACEOF
-#define HAVE_KERBEROS5 1
-_ACEOF
+      $as_echo "#define HAVE_KERBEROS5 1" >>confdefs.h
 
     else
       have_kerberos5=no
-      { $as_echo "$as_me:$LINENO: WARNING: Cannot find compat lib (libkrb4) needed to use Kerberos 5" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Cannot find compat lib (libkrb4) needed to use Kerberos 5" >&5
 $as_echo "$as_me: WARNING: Cannot find compat lib (libkrb4) needed to use Kerberos 5" >&2;}
     fi
 
@@ -14181,18 +10124,14 @@ $as_echo "$as_me: WARNING: Cannot find compat lib (libkrb4) needed to use Kerber
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for crypt in -lcrypt" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crypt in -lcrypt" >&5
 $as_echo_n "checking for crypt in -lcrypt... " >&6; }
-if test "${ac_cv_lib_crypt_crypt+set}" = set; then
+if ${ac_cv_lib_crypt_crypt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcrypt  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -14210,157 +10149,44 @@ return crypt ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_crypt_crypt=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_crypt_crypt=no
+  ac_cv_lib_crypt_crypt=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_crypt_crypt" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypt_crypt" >&5
 $as_echo "$ac_cv_lib_crypt_crypt" >&6; }
-if test "x$ac_cv_lib_crypt_crypt" = x""yes; then
-  PASSWD_LIBS="$PASSWD_LIBS -lcrypt"
-fi
-
-  CPPFLAGS="$ac_save_CPPFLAGS"
-  LDFLAGS="$ac_save_LDFLAGS"
-#  LIBS="$ac_save_LIBS"
-
-
-  elif test "$have_kerberos" = yes ; then
-    # from Tim Showalter <tjs@psaux.com> for FreeBSD 4.2
-    PASSWD_LIBS="$PASSWD_LIBS -lkrb -ldes -lcom_err"
-  fi
-
-  if test "$have_kerberos" = yes ; then
-    { $as_echo "$as_me:$LINENO: checking for res_search" >&5
-$as_echo_n "checking for res_search... " >&6; }
-if test "${ac_cv_func_res_search+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define res_search to an innocuous variant, in case <limits.h> declares res_search.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define res_search innocuous_res_search
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char res_search (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef res_search
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char res_search ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_res_search || defined __stub___res_search
-choke me
-#endif
-
-int
-main ()
-{
-return res_search ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func_res_search=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_res_search=no
+if test "x$ac_cv_lib_crypt_crypt" = xyes; then :
+  PASSWD_LIBS="$PASSWD_LIBS -lcrypt"
 fi
 
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_res_search" >&5
-$as_echo "$ac_cv_func_res_search" >&6; }
-if test "x$ac_cv_func_res_search" = x""yes; then
-  :
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  LDFLAGS="$ac_save_LDFLAGS"
+#  LIBS="$ac_save_LIBS"
+
+
+  elif test "$have_kerberos" = yes ; then
+    # from Tim Showalter <tjs@psaux.com> for FreeBSD 4.2
+    PASSWD_LIBS="$PASSWD_LIBS -lkrb -ldes -lcom_err"
+  fi
+
+  if test "$have_kerberos" = yes ; then
+    ac_fn_c_check_func "$LINENO" "res_search" "ac_cv_func_res_search"
+if test "x$ac_cv_func_res_search" = xyes; then :
+
 else
-  { $as_echo "$as_me:$LINENO: checking for res_search in -lresolv" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for res_search in -lresolv" >&5
 $as_echo_n "checking for res_search in -lresolv... " >&6; }
-if test "${ac_cv_lib_resolv_res_search+set}" = set; then
+if ${ac_cv_lib_resolv_res_search+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lresolv  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -14378,46 +10204,21 @@ return res_search ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_resolv_res_search=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_resolv_res_search=no
+  ac_cv_lib_resolv_res_search=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_resolv_res_search" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_res_search" >&5
 $as_echo "$ac_cv_lib_resolv_res_search" >&6; }
-if test "x$ac_cv_lib_resolv_res_search" = x""yes; then
+if test "x$ac_cv_lib_resolv_res_search" = xyes; then :
   PASSWD_LIBS="${PASSWD_LIBS} -lresolv"
 else
-  { $as_echo "$as_me:$LINENO: WARNING: Can't find DNS resolver libraries needed for Kerberos" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Can't find DNS resolver libraries needed for Kerberos" >&5
 $as_echo "$as_me: WARNING: Can't find DNS resolver libraries needed for Kerberos" >&2;}
 
 fi
@@ -14441,7 +10242,7 @@ with_shadow_req=unspecified
 
 
 # Check whether --with-shadow was given.
-if test "${with_shadow+set}" = set; then
+if test "${with_shadow+set}" = set; then :
   withval=$with_shadow; with_shadow="$withval"; with_shadow_req="$withval"
 else
   with_shadow=yes
@@ -14454,27 +10255,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for shadow password headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shadow password headers" >&5
 $as_echo_n "checking for shadow password headers... " >&6; }
      d=$with_shadow/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for shadow password libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shadow password libs" >&5
 $as_echo_n "checking for shadow password libs... " >&6; }
      d=$with_shadow/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -14506,9 +10307,9 @@ fi
 ###############################################################################
 
 if test "$with_shadow" = yes ; then
-  { $as_echo "$as_me:$LINENO: checking for Sun-style shadow passwords" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Sun-style shadow passwords" >&5
 $as_echo_n "checking for Sun-style shadow passwords... " >&6; }
-if test "${ac_cv_sun_adjunct+set}" = set; then
+if ${ac_cv_sun_adjunct+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -14518,11 +10319,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                                     #include <unistd.h>
@@ -14539,36 +10336,15 @@ struct passwd_adjunct *p = getpwanam("nobody");
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sun_adjunct=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_sun_adjunct=no
+  ac_cv_sun_adjunct=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_sun_adjunct" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sun_adjunct" >&5
 $as_echo "$ac_cv_sun_adjunct" >&6; }
   if test "$ac_cv_sun_adjunct" = yes; then
     have_shadow_adjunct=yes
@@ -14585,9 +10361,9 @@ fi
 ###############################################################################
 
 if test "$with_shadow" = yes ; then
-  { $as_echo "$as_me:$LINENO: checking for DEC-style shadow passwords" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DEC-style shadow passwords" >&5
 $as_echo_n "checking for DEC-style shadow passwords... " >&6; }
-if test "${ac_cv_enhanced_passwd+set}" = set; then
+if ${ac_cv_enhanced_passwd+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -14597,11 +10373,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                                     #include <unistd.h>
@@ -14622,36 +10394,15 @@ struct pr_passwd *p;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_enhanced_passwd=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_enhanced_passwd=no
+  ac_cv_enhanced_passwd=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_enhanced_passwd" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_enhanced_passwd" >&5
 $as_echo "$ac_cv_enhanced_passwd" >&6; }
   if test $ac_cv_enhanced_passwd = yes; then
     have_shadow_enhanced=yes
@@ -14662,18 +10413,14 @@ $as_echo "$ac_cv_enhanced_passwd" >&6; }
     # (I'm told it needs -lcurses too, but I don't understand why.)
     # But on DEC, it's in -lsecurity.
     #
-    { $as_echo "$as_me:$LINENO: checking for getprpwnam in -lprot" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getprpwnam in -lprot" >&5
 $as_echo_n "checking for getprpwnam in -lprot... " >&6; }
-if test "${ac_cv_lib_prot_getprpwnam+set}" = set; then
+if ${ac_cv_lib_prot_getprpwnam+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lprot -lx $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -14691,57 +10438,28 @@ return getprpwnam ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_prot_getprpwnam=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_prot_getprpwnam=no
+  ac_cv_lib_prot_getprpwnam=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_prot_getprpwnam" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_prot_getprpwnam" >&5
 $as_echo "$ac_cv_lib_prot_getprpwnam" >&6; }
-if test "x$ac_cv_lib_prot_getprpwnam" = x""yes; then
+if test "x$ac_cv_lib_prot_getprpwnam" = xyes; then :
   PASSWD_LIBS="$PASSWD_LIBS -lprot -lcurses -lx"
 else
-  { $as_echo "$as_me:$LINENO: checking for getprpwnam in -lsecurity" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getprpwnam in -lsecurity" >&5
 $as_echo_n "checking for getprpwnam in -lsecurity... " >&6; }
-if test "${ac_cv_lib_security_getprpwnam+set}" = set; then
+if ${ac_cv_lib_security_getprpwnam+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsecurity  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -14759,43 +10477,18 @@ return getprpwnam ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_security_getprpwnam=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_security_getprpwnam=no
+  ac_cv_lib_security_getprpwnam=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_security_getprpwnam" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_security_getprpwnam" >&5
 $as_echo "$ac_cv_lib_security_getprpwnam" >&6; }
-if test "x$ac_cv_lib_security_getprpwnam" = x""yes; then
+if test "x$ac_cv_lib_security_getprpwnam" = xyes; then :
   PASSWD_LIBS="$PASSWD_LIBS -lsecurity"
 fi
 
@@ -14811,9 +10504,9 @@ fi
 ###############################################################################
 
 if test "$with_shadow" = yes ; then
-  { $as_echo "$as_me:$LINENO: checking for HP-style shadow passwords" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for HP-style shadow passwords" >&5
 $as_echo_n "checking for HP-style shadow passwords... " >&6; }
-if test "${ac_cv_hpux_passwd+set}" = set; then
+if ${ac_cv_hpux_passwd+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -14823,11 +10516,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                                     #include <unistd.h>
@@ -14844,36 +10533,15 @@ struct s_passwd *p = getspwnam("nobody");
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_hpux_passwd=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_hpux_passwd=no
+  ac_cv_hpux_passwd=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_hpux_passwd" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_hpux_passwd" >&5
 $as_echo "$ac_cv_hpux_passwd" >&6; }
   if test "$ac_cv_hpux_passwd" = yes; then
     have_shadow_hpux=yes
@@ -14881,18 +10549,14 @@ $as_echo "$ac_cv_hpux_passwd" >&6; }
     need_setuid=yes
 
     # on HPUX, bigcrypt is in -lsec
-    { $as_echo "$as_me:$LINENO: checking for bigcrypt in -lsec" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bigcrypt in -lsec" >&5
 $as_echo_n "checking for bigcrypt in -lsec... " >&6; }
-if test "${ac_cv_lib_sec_bigcrypt+set}" = set; then
+if ${ac_cv_lib_sec_bigcrypt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsec  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -14910,43 +10574,18 @@ return bigcrypt ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_sec_bigcrypt=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_sec_bigcrypt=no
+  ac_cv_lib_sec_bigcrypt=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_sec_bigcrypt" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sec_bigcrypt" >&5
 $as_echo "$ac_cv_lib_sec_bigcrypt" >&6; }
-if test "x$ac_cv_lib_sec_bigcrypt" = x""yes; then
+if test "x$ac_cv_lib_sec_bigcrypt" = xyes; then :
   PASSWD_LIBS="$PASSWD_LIBS -lsec"
 fi
 
@@ -14967,9 +10606,9 @@ fi
 ###############################################################################
 
 if test "$with_shadow" = yes ; then
-  { $as_echo "$as_me:$LINENO: checking for FreeBSD-style shadow passwords" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FreeBSD-style shadow passwords" >&5
 $as_echo_n "checking for FreeBSD-style shadow passwords... " >&6; }
-if test "${ac_cv_master_passwd+set}" = set; then
+if ${ac_cv_master_passwd+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -f /etc/master.passwd ; then
@@ -14978,7 +10617,7 @@ else
                     ac_cv_master_passwd=no
                   fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_master_passwd" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_master_passwd" >&5
 $as_echo "$ac_cv_master_passwd" >&6; }
   if test "$ac_cv_master_passwd" = yes; then
     need_setuid=yes
@@ -14993,9 +10632,9 @@ fi
 ###############################################################################
 
 if test "$with_shadow" = yes ; then
-  { $as_echo "$as_me:$LINENO: checking for generic shadow passwords" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for generic shadow passwords" >&5
 $as_echo_n "checking for generic shadow passwords... " >&6; }
-if test "${ac_cv_shadow+set}" = set; then
+if ${ac_cv_shadow+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -15005,11 +10644,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
                                     #include <unistd.h>
@@ -15025,36 +10660,15 @@ struct spwd *p = getspnam("nobody");
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_shadow=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_shadow=no
+  ac_cv_shadow=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_shadow" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_shadow" >&5
 $as_echo "$ac_cv_shadow" >&6; }
   if test "$ac_cv_shadow" = yes; then
     have_shadow=yes
@@ -15062,18 +10676,14 @@ $as_echo "$ac_cv_shadow" >&6; }
 
     # On some systems (UnixWare 2.1), getspnam() is in -lgen instead of -lc.
     have_getspnam=no
-    { $as_echo "$as_me:$LINENO: checking for getspnam in -lc" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getspnam in -lc" >&5
 $as_echo_n "checking for getspnam in -lc... " >&6; }
-if test "${ac_cv_lib_c_getspnam+set}" = set; then
+if ${ac_cv_lib_c_getspnam+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -15091,59 +10701,30 @@ return getspnam ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_c_getspnam=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_c_getspnam=no
+  ac_cv_lib_c_getspnam=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_getspnam" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_getspnam" >&5
 $as_echo "$ac_cv_lib_c_getspnam" >&6; }
-if test "x$ac_cv_lib_c_getspnam" = x""yes; then
+if test "x$ac_cv_lib_c_getspnam" = xyes; then :
   have_getspnam=yes
 fi
 
     if test "$have_getspnam" = no ; then
-      { $as_echo "$as_me:$LINENO: checking for getspnam in -lgen" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getspnam in -lgen" >&5
 $as_echo_n "checking for getspnam in -lgen... " >&6; }
-if test "${ac_cv_lib_gen_getspnam+set}" = set; then
+if ${ac_cv_lib_gen_getspnam+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgen  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -15161,43 +10742,18 @@ return getspnam ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_gen_getspnam=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_gen_getspnam=no
+  ac_cv_lib_gen_getspnam=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_gen_getspnam" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gen_getspnam" >&5
 $as_echo "$ac_cv_lib_gen_getspnam" >&6; }
-if test "x$ac_cv_lib_gen_getspnam" = x""yes; then
+if test "x$ac_cv_lib_gen_getspnam" = xyes; then :
   have_getspnam=yes; PASSWD_LIBS="$PASSWD_LIBS -lgen"
 fi
 
@@ -15216,18 +10772,14 @@ if test "$enable_locking" = yes ; then
 
   # On some systems (UnixWare 2.1), crypt() is in -lcrypt instead of -lc.
   have_crypt=no
-  { $as_echo "$as_me:$LINENO: checking for crypt in -lc" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crypt in -lc" >&5
 $as_echo_n "checking for crypt in -lc... " >&6; }
-if test "${ac_cv_lib_c_crypt+set}" = set; then
+if ${ac_cv_lib_c_crypt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -15245,59 +10797,30 @@ return crypt ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_c_crypt=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_c_crypt=no
+  ac_cv_lib_c_crypt=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_crypt" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_crypt" >&5
 $as_echo "$ac_cv_lib_c_crypt" >&6; }
-if test "x$ac_cv_lib_c_crypt" = x""yes; then
+if test "x$ac_cv_lib_c_crypt" = xyes; then :
   have_crypt=yes
 fi
 
   if test "$have_crypt" = no ; then
-    { $as_echo "$as_me:$LINENO: checking for crypt in -lcrypt" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crypt in -lcrypt" >&5
 $as_echo_n "checking for crypt in -lcrypt... " >&6; }
-if test "${ac_cv_lib_crypt_crypt+set}" = set; then
+if ${ac_cv_lib_crypt_crypt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcrypt  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -15315,43 +10838,18 @@ return crypt ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_crypt_crypt=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_crypt_crypt=no
+  ac_cv_lib_crypt_crypt=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_crypt_crypt" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypt_crypt" >&5
 $as_echo "$ac_cv_lib_crypt_crypt" >&6; }
-if test "x$ac_cv_lib_crypt_crypt" = x""yes; then
+if test "x$ac_cv_lib_crypt_crypt" = xyes; then :
   have_crypt=yes; PASSWD_LIBS="$PASSWD_LIBS -lcrypt"
 fi
 
@@ -15373,24 +10871,16 @@ fi
 
 
 if test "$have_shadow_adjunct" = yes ; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_ADJUNCT_PASSWD 1
-_ACEOF
+  $as_echo "#define HAVE_ADJUNCT_PASSWD 1" >>confdefs.h
 
 elif test "$have_shadow_enhanced" = yes ; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_ENHANCED_PASSWD 1
-_ACEOF
+  $as_echo "#define HAVE_ENHANCED_PASSWD 1" >>confdefs.h
 
 elif test "$have_shadow_hpux" = yes ; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_HPUX_PASSWD 1
-_ACEOF
+  $as_echo "#define HAVE_HPUX_PASSWD 1" >>confdefs.h
 
 elif test "$have_shadow" = yes ; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_SHADOW_PASSWD 1
-_ACEOF
+  $as_echo "#define HAVE_SHADOW_PASSWD 1" >>confdefs.h
 
 fi
 
@@ -15413,7 +10903,7 @@ with_passwd_helper_req=unspecified
 
 
 # Check whether --with-passwd-helper was given.
-if test "${with_passwd_helper+set}" = set; then
+if test "${with_passwd_helper+set}" = set; then :
   withval=$with_passwd_helper; with_passwd_helper="$withval"; with_passwd_helper_req="$withval"
 else
   with_passwd_helper=no
@@ -15453,7 +10943,7 @@ default_login_manager_2='kdmctl reserve'
 
 
 # Check whether --with-login-manager was given.
-if test "${with_login_manager+set}" = set; then
+if test "${with_login_manager+set}" = set; then :
   withval=$with_login_manager; with_login_manager="$withval"; with_login_manager_req="$withval"
 else
   with_login_manager=yes
@@ -15478,9 +10968,9 @@ case "$with_login_manager_req" in
     unset ac_cv_path_login_manager_tmp  # don't cache
     # Extract the first word of "$login_manager_tmp", so it can be a program name with args.
 set dummy $login_manager_tmp; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_login_manager_tmp+set}" = set; then
+if ${ac_cv_path_login_manager_tmp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $login_manager_tmp in
@@ -15493,14 +10983,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_login_manager_tmp="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
   ;;
@@ -15508,10 +10998,10 @@ esac
 fi
 login_manager_tmp=$ac_cv_path_login_manager_tmp
 if test -n "$login_manager_tmp"; then
-  { $as_echo "$as_me:$LINENO: result: $login_manager_tmp" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $login_manager_tmp" >&5
 $as_echo "$login_manager_tmp" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -15523,9 +11013,9 @@ fi
       unset ac_cv_path_login_manager_tmp  # don't cache
       # Extract the first word of "$login_manager_tmp", so it can be a program name with args.
 set dummy $login_manager_tmp; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_login_manager_tmp+set}" = set; then
+if ${ac_cv_path_login_manager_tmp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $login_manager_tmp in
@@ -15538,14 +11028,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_login_manager_tmp="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
   ;;
@@ -15553,10 +11043,10 @@ esac
 fi
 login_manager_tmp=$ac_cv_path_login_manager_tmp
 if test -n "$login_manager_tmp"; then
-  { $as_echo "$as_me:$LINENO: result: $login_manager_tmp" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $login_manager_tmp" >&5
 $as_echo "$login_manager_tmp" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -15572,13 +11062,13 @@ fi
   /*)
     # absolute path specified on cmd line
     set dummy $with_login_manager_req ; login_manager_tmp=$2
-    { $as_echo "$as_me:$LINENO: checking for $login_manager_tmp" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $login_manager_tmp" >&5
 $as_echo_n "checking for $login_manager_tmp... " >&6; }
     if test -x "$login_manager_tmp" ; then
-      { $as_echo "$as_me:$LINENO: result: yes" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
     else
-      { $as_echo "$as_me:$LINENO: result: no" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
       with_login_manager=""
     fi
@@ -15590,9 +11080,9 @@ $as_echo "no" >&6; }
     unset ac_cv_path_login_manager_tmp    # don't cache
     # Extract the first word of "$login_manager_tmp", so it can be a program name with args.
 set dummy $login_manager_tmp; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_login_manager_tmp+set}" = set; then
+if ${ac_cv_path_login_manager_tmp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $login_manager_tmp in
@@ -15605,14 +11095,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_login_manager_tmp="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
   ;;
@@ -15620,10 +11110,10 @@ esac
 fi
 login_manager_tmp=$ac_cv_path_login_manager_tmp
 if test -n "$login_manager_tmp"; then
-  { $as_echo "$as_me:$LINENO: result: $login_manager_tmp" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $login_manager_tmp" >&5
 $as_echo "$login_manager_tmp" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -15640,15 +11130,15 @@ ac_cv_login_manager_program="$with_login_manager"
 NEW_LOGIN_COMMAND_P=''
 NEW_LOGIN_COMMAND="$ac_cv_login_manager_program"
 
-{ $as_echo "$as_me:$LINENO: checking for login manager" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for login manager" >&5
 $as_echo_n "checking for login manager... " >&6; }
 if test -z "$NEW_LOGIN_COMMAND" ; then
   NEW_LOGIN_COMMAND="$default_login_manager_1"
   NEW_LOGIN_COMMAND_P='! '
-  { $as_echo "$as_me:$LINENO: result: $NEW_LOGIN_COMMAND (disabled)" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NEW_LOGIN_COMMAND (disabled)" >&5
 $as_echo "$NEW_LOGIN_COMMAND (disabled)" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: $NEW_LOGIN_COMMAND" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NEW_LOGIN_COMMAND" >&5
 $as_echo "$NEW_LOGIN_COMMAND" >&6; }
 fi
 
@@ -15663,7 +11153,7 @@ have_gtk=no
 with_gtk_req=unspecified
 
 # Check whether --with-gtk was given.
-if test "${with_gtk+set}" = set; then
+if test "${with_gtk+set}" = set; then :
   withval=$with_gtk; with_gtk="$withval"; with_gtk_req="$withval"
 else
   with_gtk=yes
@@ -15687,27 +11177,27 @@ esac
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for Gtk headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Gtk headers" >&5
 $as_echo_n "checking for Gtk headers... " >&6; }
      d=$with_gtk/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for Gtk libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Gtk libs" >&5
 $as_echo_n "checking for Gtk libs... " >&6; }
      d=$with_gtk/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -15759,9 +11249,9 @@ for ac_prog in pkg-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_pkg_config+set}" = set; then
+if ${ac_cv_path_pkg_config+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $pkg_config in
@@ -15774,14 +11264,14 @@ for as_dir in $gtk_path
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_pkg_config="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
   ;;
@@ -15789,10 +11279,10 @@ esac
 fi
 pkg_config=$ac_cv_path_pkg_config
 if test -n "$pkg_config"; then
-  { $as_echo "$as_me:$LINENO: result: $pkg_config" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $pkg_config" >&5
 $as_echo "$pkg_config" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -15802,7 +11292,7 @@ done
 
 
 if test -z "$pkg_config" ; then
-  { $as_echo "$as_me:$LINENO: WARNING: pkg-config not found!" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: pkg-config not found!" >&5
 $as_echo "$as_me: WARNING: pkg-config not found!" >&2;}
   pkg_config="false"
 fi
@@ -15815,23 +11305,23 @@ pkg_check_version() {
   if test "$ok" = yes ; then
     req="$1"
     min="$2"
-    { $as_echo "$as_me:$LINENO: checking for $req" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $req" >&5
 $as_echo_n "checking for $req... " >&6; }
     if $pkg_config --exists "$req" ; then
       vers=`$pkg_config --modversion "$req"`
       if $pkg_config --exists "$req >= $min" ; then
-        { $as_echo "$as_me:$LINENO: result: $vers" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vers" >&5
 $as_echo "$vers" >&6; }
         pkgs="$pkgs $req"
         return 1
       else
-        { $as_echo "$as_me:$LINENO: result: $vers (wanted >= $min)" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vers (wanted >= $min)" >&5
 $as_echo "$vers (wanted >= $min)" >&6; }
         ok=no
         return 0
       fi
     else
-      { $as_echo "$as_me:$LINENO: result: no" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
       ok=no
       return 0
@@ -15868,23 +11358,23 @@ if test "$with_gtk" = yes; then
   fi
 
   if test "$have_gtk" = yes; then
-    { $as_echo "$as_me:$LINENO: checking for Gtk includes" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Gtk includes" >&5
 $as_echo_n "checking for Gtk includes... " >&6; }
-if test "${ac_cv_gtk_config_cflags+set}" = set; then
+if ${ac_cv_gtk_config_cflags+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_gtk_config_cflags=`$pkg_config --cflags $pkgs`
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gtk_config_cflags" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gtk_config_cflags" >&5
 $as_echo "$ac_cv_gtk_config_cflags" >&6; }
-    { $as_echo "$as_me:$LINENO: checking for Gtk libs" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Gtk libs" >&5
 $as_echo_n "checking for Gtk libs... " >&6; }
-if test "${ac_cv_gtk_config_libs+set}" = set; then
+if ${ac_cv_gtk_config_libs+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_gtk_config_libs=`$pkg_config --libs $pkgs`
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gtk_config_libs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gtk_config_libs" >&5
 $as_echo "$ac_cv_gtk_config_libs" >&6; }
   fi
 
@@ -15901,17 +11391,11 @@ $as_echo "$ac_cv_gtk_config_libs" >&6; }
   if test "$have_gtk" = yes; then
     INCLUDES="$INCLUDES $ac_gtk_config_cflags"
     GTK_LIBS="$GTK_LIBS $ac_gtk_config_libs"
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_GTK 1
-_ACEOF
+    $as_echo "#define HAVE_GTK 1" >>confdefs.h
 
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_GTK2 1
-_ACEOF
+    $as_echo "#define HAVE_GTK2 1" >>confdefs.h
 
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XML 1
-_ACEOF
+    $as_echo "#define HAVE_XML 1" >>confdefs.h
 
   fi
 
@@ -15926,9 +11410,9 @@ if test "$have_gtk" = yes; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_gnome_open_program+set}" = set; then
+if ${ac_cv_prog_gnome_open_program+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$gnome_open_program"; then
@@ -15939,24 +11423,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_gnome_open_program="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 gnome_open_program=$ac_cv_prog_gnome_open_program
 if test -n "$gnome_open_program"; then
-  { $as_echo "$as_me:$LINENO: result: $gnome_open_program" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gnome_open_program" >&5
 $as_echo "$gnome_open_program" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -15968,9 +11452,9 @@ done
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_gnome_url_show_program+set}" = set; then
+if ${ac_cv_prog_gnome_url_show_program+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$gnome_url_show_program"; then
@@ -15981,24 +11465,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_gnome_url_show_program="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 gnome_url_show_program=$ac_cv_prog_gnome_url_show_program
 if test -n "$gnome_url_show_program"; then
-  { $as_echo "$as_me:$LINENO: result: $gnome_url_show_program" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gnome_url_show_program" >&5
 $as_echo "$gnome_url_show_program" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -16019,7 +11503,7 @@ have_motif=no
 with_motif_req=unspecified
 
 # Check whether --with-motif was given.
-if test "${with_motif+set}" = set; then
+if test "${with_motif+set}" = set; then :
   withval=$with_motif; with_motif="$withval"; with_motif_req="$withval"
 else
   with_motif=no
@@ -16032,27 +11516,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for Motif headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Motif headers" >&5
 $as_echo_n "checking for Motif headers... " >&6; }
      d=$with_motif/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for Motif libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Motif libs" >&5
 $as_echo_n "checking for Motif libs... " >&6; }
      d=$with_motif/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -16085,58 +11569,13 @@ if test "$with_motif" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for Xm/Xm.h" >&5
-$as_echo_n "checking for Xm/Xm.h... " >&6; }
-if test "${ac_cv_header_Xm_Xm_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
+  ac_fn_c_check_header_compile "$LINENO" "Xm/Xm.h" "ac_cv_header_Xm_Xm_h" "#include <stdlib.h>
                      #include <stdio.h>
                      #include <X11/Intrinsic.h>
-
-#include <Xm/Xm.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_Xm_Xm_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_Xm_Xm_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_Xm_Xm_h" >&5
-$as_echo "$ac_cv_header_Xm_Xm_h" >&6; }
-if test "x$ac_cv_header_Xm_Xm_h" = x""yes; then
+"
+if test "x$ac_cv_header_Xm_Xm_h" = xyes; then :
   have_motif=yes
-                     cat >>confdefs.h <<\_ACEOF
-#define HAVE_MOTIF 1
-_ACEOF
+                     $as_echo "#define HAVE_MOTIF 1" >>confdefs.h
 
                      MOTIF_LIBS="$MOTIF_LIBS -lXm"
 fi
@@ -16148,63 +11587,18 @@ fi
 
 if test "$have_motif" = yes; then
 
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  if test \! -z "$includedir" ; then
-    CPPFLAGS="$CPPFLAGS -I$includedir"
-  fi
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for Xm/ComboBox.h" >&5
-$as_echo_n "checking for Xm/ComboBox.h... " >&6; }
-if test "${ac_cv_header_Xm_ComboBox_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-                     #include <stdio.h>
-                     #include <X11/Intrinsic.h>
-
-#include <Xm/ComboBox.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_Xm_ComboBox_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_Xm_ComboBox_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_Xm_ComboBox_h" >&5
-$as_echo "$ac_cv_header_Xm_ComboBox_h" >&6; }
-if test "x$ac_cv_header_Xm_ComboBox_h" = x""yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_XMCOMBOBOX 1
-_ACEOF
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+  ac_fn_c_check_header_compile "$LINENO" "Xm/ComboBox.h" "ac_cv_header_Xm_ComboBox_h" "#include <stdlib.h>
+                     #include <stdio.h>
+                     #include <X11/Intrinsic.h>
+"
+if test "x$ac_cv_header_Xm_ComboBox_h" = xyes; then :
+  $as_echo "#define HAVE_XMCOMBOBOX 1" >>confdefs.h
 
 fi
 
@@ -16221,9 +11615,9 @@ fi
 
 have_lesstif=no
 if test "$have_motif" = yes ; then
-  { $as_echo "$as_me:$LINENO: checking whether Motif is really LessTif" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Motif is really LessTif" >&5
 $as_echo_n "checking whether Motif is really LessTif... " >&6; }
-if test "${ac_cv_have_lesstif+set}" = set; then
+if ${ac_cv_have_lesstif+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -16233,11 +11627,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <Xm/Xm.h>
 int
@@ -16248,36 +11638,15 @@ long vers = LesstifVersion;
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_have_lesstif=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_have_lesstif=no
+  ac_cv_have_lesstif=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_lesstif" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_lesstif" >&5
 $as_echo "$ac_cv_have_lesstif" >&6; }
   have_lesstif=$ac_cv_have_lesstif
 fi
@@ -16289,9 +11658,9 @@ lesstif_version_string=unknown
 if test "$have_lesstif" = yes ; then
   ltv=unknown
   echo unknown > conftest-lt
-  { $as_echo "$as_me:$LINENO: checking LessTif version number" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking LessTif version number" >&5
 $as_echo_n "checking LessTif version number... " >&6; }
-if test "${ac_cv_lesstif_version_string+set}" = set; then
+if ${ac_cv_lesstif_version_string+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -16301,15 +11670,11 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   ac_cv_lesstif_version=unknown
                      ac_cv_lesstif_version_string=unknown
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
                      #include <Xm/Xm.h>
@@ -16322,48 +11687,21 @@ cat >>conftest.$ac_ext <<_ACEOF
                        exit(0);
                      }
 _ACEOF
-rm -rf conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   ltv=`cat conftest-lt`
                      ac_cv_lesstif_version=`echo $ltv | sed 's/ .*//'`
                      ac_cv_lesstif_version_string=`echo $ltv | sed 's/.* //'`
 else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_lesstif_version=unknown
+  ac_cv_lesstif_version=unknown
                      ac_cv_lesstif_version_string=unknown
 fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lesstif_version_string" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lesstif_version_string" >&5
 $as_echo "$ac_cv_lesstif_version_string" >&6; }
   rm -rf conftest-lt
   lesstif_version=$ac_cv_lesstif_version
@@ -16375,9 +11713,9 @@ fi
 if test "$have_motif" = yes ; then
   mtv=unknown
   echo unknown > conftest-mt
-  { $as_echo "$as_me:$LINENO: checking Motif version number" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking Motif version number" >&5
 $as_echo_n "checking Motif version number... " >&6; }
-if test "${ac_cv_motif_version_string+set}" = set; then
+if ${ac_cv_motif_version_string+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -16387,15 +11725,11 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   ac_cv_motif_version=unknown
                      ac_cv_motif_version_string=unknown
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
                      #include <Xm/Xm.h>
@@ -16408,48 +11742,21 @@ cat >>conftest.$ac_ext <<_ACEOF
                        exit(0);
                      }
 _ACEOF
-rm -rf conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   mtv=`cat conftest-mt`
                      ac_cv_motif_version=`echo $mtv | sed 's/ .*//'`
                      ac_cv_motif_version_string=`echo $mtv | sed 's/.* //'`
 else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_motif_version=unknown
+  ac_cv_motif_version=unknown
                      ac_cv_motif_version_string=unknown
 fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-
   CPPFLAGS="$ac_save_CPPFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_motif_version_string" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_motif_version_string" >&5
 $as_echo "$ac_cv_motif_version_string" >&6; }
   rm -rf conftest-mt
   motif_version=$ac_cv_motif_version
@@ -16475,15 +11782,15 @@ fi
 
 motif_requires_xpm=no
 if test "$have_motif" = yes ; then
-   { $as_echo "$as_me:$LINENO: checking whether Motif requires XPM" >&5
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Motif requires XPM" >&5
 $as_echo_n "checking whether Motif requires XPM... " >&6; }
    if test "$motif_version" = "unknown" || test "$motif_version" -ge 2000
    then
      motif_requires_xpm=yes
-     { $as_echo "$as_me:$LINENO: result: maybe" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: result: maybe" >&5
 $as_echo "maybe" >&6; }
    else
-     { $as_echo "$as_me:$LINENO: result: no" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
    fi
 fi
@@ -16521,18 +11828,14 @@ if test "$have_motif" = yes ; then
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XpQueryExtension in -lXp" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpQueryExtension in -lXp" >&5
 $as_echo_n "checking for XpQueryExtension in -lXp... " >&6; }
-if test "${ac_cv_lib_Xp_XpQueryExtension+set}" = set; then
+if ${ac_cv_lib_Xp_XpQueryExtension+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXp -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -16550,43 +11853,18 @@ return XpQueryExtension ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xp_XpQueryExtension=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xp_XpQueryExtension=no
+  ac_cv_lib_Xp_XpQueryExtension=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xp_XpQueryExtension" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xp_XpQueryExtension" >&5
 $as_echo "$ac_cv_lib_Xp_XpQueryExtension" >&6; }
-if test "x$ac_cv_lib_Xp_XpQueryExtension" = x""yes; then
+if test "x$ac_cv_lib_Xp_XpQueryExtension" = xyes; then :
   have_xp_ext=yes; MOTIF_LIBS="$MOTIF_LIBS -lXp"
 else
   true
@@ -16626,18 +11904,14 @@ if test "$have_motif" = yes ; then
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for _Xsetlocale in -lXintl" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _Xsetlocale in -lXintl" >&5
 $as_echo_n "checking for _Xsetlocale in -lXintl... " >&6; }
-if test "${ac_cv_lib_Xintl__Xsetlocale+set}" = set; then
+if ${ac_cv_lib_Xintl__Xsetlocale+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXintl -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -16655,43 +11929,18 @@ return _Xsetlocale ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xintl__Xsetlocale=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_Xintl__Xsetlocale=no
+  ac_cv_lib_Xintl__Xsetlocale=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_Xintl__Xsetlocale" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xintl__Xsetlocale" >&5
 $as_echo "$ac_cv_lib_Xintl__Xsetlocale" >&6; }
-if test "x$ac_cv_lib_Xintl__Xsetlocale" = x""yes; then
+if test "x$ac_cv_lib_Xintl__Xsetlocale" = xyes; then :
   have_xintl=yes
 else
   have_xintl=no
@@ -16719,7 +11968,7 @@ with_gl_req=unspecified
 gl_halfassed=no
 
 # Check whether --with-gl was given.
-if test "${with_gl+set}" = set; then
+if test "${with_gl+set}" = set; then :
   withval=$with_gl; with_gl="$withval"; with_gl_req="$withval"
 else
   with_gl=yes
@@ -16732,27 +11981,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for GL headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GL headers" >&5
 $as_echo_n "checking for GL headers... " >&6; }
      d=$with_gl/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for GL libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GL libs" >&5
 $as_echo_n "checking for GL libs... " >&6; }
      d=$with_gl/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -16782,134 +12031,8 @@ if test "$with_gl" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "${ac_cv_header_GL_gl_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for GL/gl.h" >&5
-$as_echo_n "checking for GL/gl.h... " >&6; }
-if test "${ac_cv_header_GL_gl_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_gl_h" >&5
-$as_echo "$ac_cv_header_GL_gl_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking GL/gl.h usability" >&5
-$as_echo_n "checking GL/gl.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <GL/gl.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking GL/gl.h presence" >&5
-$as_echo_n "checking GL/gl.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <GL/gl.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: GL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: GL/gl.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: GL/gl.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: GL/gl.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: GL/gl.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: GL/gl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: GL/gl.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for GL/gl.h" >&5
-$as_echo_n "checking for GL/gl.h... " >&6; }
-if test "${ac_cv_header_GL_gl_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_GL_gl_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_gl_h" >&5
-$as_echo "$ac_cv_header_GL_gl_h" >&6; }
-
-fi
-if test "x$ac_cv_header_GL_gl_h" = x""yes; then
+  ac_fn_c_check_header_mongrel "$LINENO" "GL/gl.h" "ac_cv_header_GL_gl_h" "$ac_includes_default"
+if test "x$ac_cv_header_GL_gl_h" = xyes; then :
   have_gl=yes
 else
   have_gl=no
@@ -16925,52 +12048,9 @@ fi
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for GL/glx.h" >&5
-$as_echo_n "checking for GL/glx.h... " >&6; }
-if test "${ac_cv_header_GL_glx_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <GL/gl.h>
-
-#include <GL/glx.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_GL_glx_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_GL_glx_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_glx_h" >&5
-$as_echo "$ac_cv_header_GL_glx_h" >&6; }
-if test "x$ac_cv_header_GL_glx_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "GL/glx.h" "ac_cv_header_GL_glx_h" "#include <GL/gl.h>
+"
+if test "x$ac_cv_header_GL_glx_h" = xyes; then :
   have_gl=yes
 else
   have_gl=no
@@ -16987,9 +12067,9 @@ fi
     # We need to know whether it's MesaGL so that we know which libraries
     # to link against.
     #
-    { $as_echo "$as_me:$LINENO: checking whether GL is really MesaGL" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether GL is really MesaGL" >&5
 $as_echo_n "checking whether GL is really MesaGL... " >&6; }
-if test "${ac_cv_have_mesa_gl+set}" = set; then
+if ${ac_cv_have_mesa_gl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_have_mesa_gl=no
@@ -17003,17 +12083,13 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <GL/glx.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "Mesa|MESA" >/dev/null 2>&1; then
+  $EGREP "Mesa|MESA" >/dev/null 2>&1; then :
   ac_cv_have_mesa_gl=yes
 fi
 rm -rf conftest*
@@ -17021,7 +12097,7 @@ rm -rf conftest*
   CPPFLAGS="$ac_save_CPPFLAGS"
        fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_mesa_gl" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_mesa_gl" >&5
 $as_echo "$ac_cv_have_mesa_gl" >&6; }
     ac_have_mesa_gl=$ac_cv_have_mesa_gl
 
@@ -17034,7 +12110,7 @@ $as_echo "$ac_cv_have_mesa_gl" >&6; }
       # warnings.
       #
       osx_crud="-bind_at_load -multiply_defined suppress"
-      { $as_echo "$as_me:$LINENO: result: adding \"$osx_crud\" to GL_LIBS" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: adding \"$osx_crud\" to GL_LIBS" >&5
 $as_echo "adding \"$osx_crud\" to GL_LIBS" >&6; }
       GL_LIBS="$GL_LIBS $osx_crud"
       unset osx_crud
@@ -17045,10 +12121,20 @@ $as_echo "adding \"$osx_crud\" to GL_LIBS" >&6; }
       osx_crud="/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib"
       osx_crud="-Wl,-dylib_file,${osx_crud}:${osx_crud}"
 
-      { $as_echo "$as_me:$LINENO: result: adding \"$osx_crud\" to GL_LIBS" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: adding \"$osx_crud\" to GL_LIBS" >&5
 $as_echo "adding \"$osx_crud\" to GL_LIBS" >&6; }
       GL_LIBS="$GL_LIBS $osx_crud"
       unset osx_crud
+
+      # New lossage in 10.6.8: we can't allow -L/opt/local/lib to be in the
+      # link line, or at runtime XQueryExtension gets a segv due to some kind
+      # of library version skew.  Libs must come from /usr/X11/lib even if
+      # $prefix and/or $exec_prefix are set to /opt/local/.
+      #
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: omitting \"$libdir\" from LDFLAGS" >&5
+$as_echo "omitting \"$libdir\" from LDFLAGS" >&6; }
+      libdir=''
+
     fi
 
 
@@ -17057,18 +12143,14 @@ $as_echo "adding \"$osx_crud\" to GL_LIBS" >&6; }
     # link -lpthread after the Mesa libs (be they named -lGL or -lMesaGL.)
     #
     if test "$ac_have_mesa_gl" = yes; then
-      { $as_echo "$as_me:$LINENO: checking for pthread_create in -lpthread" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
 $as_echo_n "checking for pthread_create in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then
+if ${ac_cv_lib_pthread_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthread  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -17086,43 +12168,18 @@ return pthread_create ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_pthread_pthread_create=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_pthread_pthread_create=no
+  ac_cv_lib_pthread_pthread_create=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_create" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then
+if test "x$ac_cv_lib_pthread_pthread_create" = xyes; then :
   GL_LIBS="-lpthread"
 fi
 
@@ -17154,18 +12211,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for glXCreateContext in -lMesaGL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glXCreateContext in -lMesaGL" >&5
 $as_echo_n "checking for glXCreateContext in -lMesaGL... " >&6; }
-if test "${ac_cv_lib_MesaGL_glXCreateContext+set}" = set; then
+if ${ac_cv_lib_MesaGL_glXCreateContext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lMesaGL -lMesaGLU $GL_LIBS -lX11 -lXext $VIDMODE_LIBS -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -17183,43 +12236,18 @@ return glXCreateContext ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_MesaGL_glXCreateContext=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_MesaGL_glXCreateContext=no
+  ac_cv_lib_MesaGL_glXCreateContext=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_MesaGL_glXCreateContext" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_MesaGL_glXCreateContext" >&5
 $as_echo "$ac_cv_lib_MesaGL_glXCreateContext" >&6; }
-if test "x$ac_cv_lib_MesaGL_glXCreateContext" = x""yes; then
+if test "x$ac_cv_lib_MesaGL_glXCreateContext" = xyes; then :
   gl_lib_1="MesaGL"
                       GL_LIBS="-lMesaGL -lMesaGLU $VIDMODE_LIBS $GL_LIBS"
 fi
@@ -17250,18 +12278,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for glXCreateContext in -lGL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glXCreateContext in -lGL" >&5
 $as_echo_n "checking for glXCreateContext in -lGL... " >&6; }
-if test "${ac_cv_lib_GL_glXCreateContext+set}" = set; then
+if ${ac_cv_lib_GL_glXCreateContext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lGL -lGLU $GL_LIBS -lX11 -lXext $VIDMODE_LIBS -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -17279,43 +12303,18 @@ return glXCreateContext ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_GL_glXCreateContext=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_GL_glXCreateContext=no
+  ac_cv_lib_GL_glXCreateContext=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_GL_glXCreateContext" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GL_glXCreateContext" >&5
 $as_echo "$ac_cv_lib_GL_glXCreateContext" >&6; }
-if test "x$ac_cv_lib_GL_glXCreateContext" = x""yes; then
+if test "x$ac_cv_lib_GL_glXCreateContext" = xyes; then :
   gl_lib_1="GL"
                       GL_LIBS="-lGL -lGLU $VIDMODE_LIBS $GL_LIBS"
 fi
@@ -17333,14 +12332,10 @@ fi
       gl_halfassed=yes
     else
       # linking works -- we can build the GL hacks.
-      cat >>confdefs.h <<\_ACEOF
-#define HAVE_GL 1
-_ACEOF
+      $as_echo "#define HAVE_GL 1" >>confdefs.h
 
       if test "$ac_have_mesa_gl" = yes ; then
-        cat >>confdefs.h <<\_ACEOF
-#define HAVE_MESA_GL 1
-_ACEOF
+        $as_echo "#define HAVE_MESA_GL 1" >>confdefs.h
 
       fi
     fi
@@ -17356,13 +12351,13 @@ _ACEOF
     #
     if test "$ac_have_mesa_gl" = yes; then
 
-      { $as_echo "$as_me:$LINENO: checking MesaGL version number" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking MesaGL version number" >&5
 $as_echo_n "checking MesaGL version number... " >&6; }
-if test "${ac_cv_mesagl_version_string+set}" = set; then
+if ${ac_cv_mesagl_version_string+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17369 "configure"
+#line 12364 "configure"
 #include "confdefs.h"
 #include <GL/gl.h>
 #ifndef MESA_MAJOR_VERSION
@@ -17432,7 +12427,7 @@ EOF
          ac_cv_mesagl_version_string=$ac_mesagl_version_string
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_mesagl_version_string" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_mesagl_version_string" >&5
 $as_echo "$ac_cv_mesagl_version_string" >&6; }
       ac_mesagl_version=$ac_cv_mesagl_version
       ac_mesagl_version_string=$ac_cv_mesagl_version_string
@@ -17461,18 +12456,14 @@ $as_echo "$ac_cv_mesagl_version_string" >&6; }
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
   as_ac_Lib=`$as_echo "ac_cv_lib_$gl_lib_1''_glBindTexture" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for glBindTexture in -l$gl_lib_1" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for glBindTexture in -l$gl_lib_1" >&5
 $as_echo_n "checking for glBindTexture in -l$gl_lib_1... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-l$gl_lib_1 $GL_LIBS -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -17490,50 +12481,20 @@ return glBindTexture ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   eval "$as_ac_Lib=yes"
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_Lib=no"
+  eval "$as_ac_Lib=no"
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-ac_res=`eval 'as_val=${'$as_ac_Lib'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+eval ac_res=\$$as_ac_Lib
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_Lib'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_GLBINDTEXTURE 1
-_ACEOF
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
+  $as_echo "#define HAVE_GLBINDTEXTURE 1" >>confdefs.h
 
 else
   true
@@ -17562,7 +12523,7 @@ with_gle_req=unspecified
 gle_halfassed=no
 
 # Check whether --with-gle was given.
-if test "${with_gle+set}" = set; then
+if test "${with_gle+set}" = set; then :
   withval=$with_gle; with_gle="$withval"; with_gle_req="$withval"
 else
   with_gle=yes
@@ -17575,27 +12536,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for GLE headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLE headers" >&5
 $as_echo_n "checking for GLE headers... " >&6; }
      d=$with_gle/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for GLE libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLE libs" >&5
 $as_echo_n "checking for GLE libs... " >&6; }
      d=$with_gle/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -17625,54 +12586,11 @@ elif test "$with_gle" = yes; then
   if test \! -z "$includedir" ; then
     CPPFLAGS="$CPPFLAGS -I$includedir"
   fi
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for GL/gle.h" >&5
-$as_echo_n "checking for GL/gle.h... " >&6; }
-if test "${ac_cv_header_GL_gle_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <GL/gl.h>
-
-#include <GL/gle.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_GL_gle_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_GL_gle_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_gle_h" >&5
-$as_echo "$ac_cv_header_GL_gle_h" >&6; }
-if test "x$ac_cv_header_GL_gle_h" = x""yes; then
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+  ac_fn_c_check_header_compile "$LINENO" "GL/gle.h" "ac_cv_header_GL_gle_h" "#include <GL/gl.h>
+"
+if test "x$ac_cv_header_GL_gle_h" = xyes; then :
   have_gle3=yes
 else
   have_gle3=no
@@ -17690,52 +12608,9 @@ fi
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for GL/gutil.h" >&5
-$as_echo_n "checking for GL/gutil.h... " >&6; }
-if test "${ac_cv_header_GL_gutil_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <GL/gl.h>
-
-#include <GL/gutil.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_GL_gutil_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_GL_gutil_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_gutil_h" >&5
-$as_echo "$ac_cv_header_GL_gutil_h" >&6; }
-if test "x$ac_cv_header_GL_gutil_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "GL/gutil.h" "ac_cv_header_GL_gutil_h" "#include <GL/gl.h>
+"
+if test "x$ac_cv_header_GL_gutil_h" = xyes; then :
   have_gle=yes
 else
   have_gle=no
@@ -17751,52 +12626,9 @@ fi
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for GL/tube.h" >&5
-$as_echo_n "checking for GL/tube.h... " >&6; }
-if test "${ac_cv_header_GL_tube_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <GL/gl.h>
-
-#include <GL/tube.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_GL_tube_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_GL_tube_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_tube_h" >&5
-$as_echo "$ac_cv_header_GL_tube_h" >&6; }
-if test "x$ac_cv_header_GL_tube_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "GL/tube.h" "ac_cv_header_GL_tube_h" "#include <GL/gl.h>
+"
+if test "x$ac_cv_header_GL_tube_h" = xyes; then :
   have_gle=yes
 else
   have_gle=no
@@ -17829,18 +12661,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for gleCreateGC in -lgle" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gleCreateGC in -lgle" >&5
 $as_echo_n "checking for gleCreateGC in -lgle... " >&6; }
-if test "${ac_cv_lib_gle_gleCreateGC+set}" = set; then
+if ${ac_cv_lib_gle_gleCreateGC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgle $GL_LIBS -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -17858,43 +12686,18 @@ return gleCreateGC ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_gle_gleCreateGC=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_gle_gleCreateGC=no
+  ac_cv_lib_gle_gleCreateGC=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_gle_gleCreateGC" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gle_gleCreateGC" >&5
 $as_echo "$ac_cv_lib_gle_gleCreateGC" >&6; }
-if test "x$ac_cv_lib_gle_gleCreateGC" = x""yes; then
+if test "x$ac_cv_lib_gle_gleCreateGC" = xyes; then :
   have_gle=yes; gle_halfassed=no; GLE_LIBS="-lgle"
 fi
 
@@ -17939,18 +12742,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for uview_direction in -lgle" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uview_direction in -lgle" >&5
 $as_echo_n "checking for uview_direction in -lgle... " >&6; }
-if test "${ac_cv_lib_gle_uview_direction+set}" = set; then
+if ${ac_cv_lib_gle_uview_direction+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgle $GL_LIBS -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -17968,43 +12767,18 @@ return uview_direction ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_gle_uview_direction=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_gle_uview_direction=no
+  ac_cv_lib_gle_uview_direction=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_gle_uview_direction" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gle_uview_direction" >&5
 $as_echo "$ac_cv_lib_gle_uview_direction" >&6; }
-if test "x$ac_cv_lib_gle_uview_direction" = x""yes; then
+if test "x$ac_cv_lib_gle_uview_direction" = xyes; then :
   have_gle=yes; gle_halfassed=no
 fi
 
@@ -18034,18 +12808,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for uview_direction_d in -lmatrix" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uview_direction_d in -lmatrix" >&5
 $as_echo_n "checking for uview_direction_d in -lmatrix... " >&6; }
-if test "${ac_cv_lib_matrix_uview_direction_d+set}" = set; then
+if ${ac_cv_lib_matrix_uview_direction_d+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmatrix $GL_LIBS -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -18063,43 +12833,18 @@ return uview_direction_d ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_matrix_uview_direction_d=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_matrix_uview_direction_d=no
+  ac_cv_lib_matrix_uview_direction_d=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_matrix_uview_direction_d" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_matrix_uview_direction_d" >&5
 $as_echo "$ac_cv_lib_matrix_uview_direction_d" >&6; }
-if test "x$ac_cv_lib_matrix_uview_direction_d" = x""yes; then
+if test "x$ac_cv_lib_matrix_uview_direction_d" = xyes; then :
   have_gle=yes; gle_halfassed=no;
                       GLE_LIBS="$GLE_LIBS -lmatrix"
 fi
@@ -18112,14 +12857,10 @@ fi
   fi
 
   if test "$have_gle" = yes ; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_GLE 1
-_ACEOF
+    $as_echo "#define HAVE_GLE 1" >>confdefs.h
 
     if test "$have_gle3" = yes ; then
-      cat >>confdefs.h <<\_ACEOF
-#define HAVE_GLE3 1
-_ACEOF
+      $as_echo "#define HAVE_GLE3 1" >>confdefs.h
 
     fi
   fi
@@ -18131,6 +12872,92 @@ elif test "$with_gle" != no; then
 fi
 
 
+###############################################################################
+#
+#       Handle --with-gles
+#
+###############################################################################
+
+with_gles_req=unspecified
+
+# Check whether --with-gles was given.
+if test "${with_gles+set}" = set; then :
+  withval=$with_gles; with_gles="$withval"; with_gles_req="$withval"
+else
+  with_gles=no
+fi
+
+
+
+   case "$with_gles" in
+    yes) ;;
+    no)  ;;
+
+    /*)
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for JWZGLES headers" >&5
+$as_echo_n "checking for JWZGLES headers... " >&6; }
+     d=$with_gles/include
+     if test -d $d; then
+       X_CFLAGS="-I$d $X_CFLAGS"
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
+$as_echo "$d" >&6; }
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
+$as_echo "not found ($d: no such directory)" >&6; }
+     fi
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for JWZGLES libs" >&5
+$as_echo_n "checking for JWZGLES libs... " >&6; }
+     d=$with_gles/lib
+     if test -d $d; then
+       X_LIBS="-L$d $X_LIBS"
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
+$as_echo "$d" >&6; }
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
+$as_echo "not found ($d: no such directory)" >&6; }
+     fi
+
+     # replace the directory string with "yes".
+     with_gles_req="yes"
+     with_gles=$with_gles_req
+     ;;
+
+    *)
+     echo ""
+     echo "error: argument to --with-gles must be \"yes\", \"no\", or a directory."
+     echo "       If it is a directory, then \`DIR/include' will be added to"
+     echo "       the -I list, and \`DIR/lib' will be added to the -L list."
+     exit 1
+     ;;
+   esac
+
+
+if test "$with_gles" = yes; then
+  have_gles=yes
+  $as_echo "#define HAVE_JWZGLES 1" >>confdefs.h
+
+  JWZGLES_OBJS="jwzgles.o"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: using OpenGL ES compatiblity shim" >&5
+$as_echo "using OpenGL ES compatiblity shim" >&6; }
+elif test "$with_gles" != no; then
+  echo "error: must be yes or no: --with-gles=$with_xpm"
+  exit 1
+fi
+
+# May want to phase out glBitmap even in a non-GLES world.
+#
+if test "$have_gles" = yes; then
+  GLFPS_OBJS="fps-gl.o glxfonts.o texfont.o"
+  GLFONT_OBJS=""
+else
+  $as_echo "#define HAVE_GLBITMAP 1" >>confdefs.h
+
+  GLFPS_OBJS="fps-gl.o glxfonts.o"
+  GLFONT_OBJS="texfont.o"
+fi
+
+
 ###############################################################################
 #
 #       Check for -lgdk_pixbuf.
@@ -18145,7 +12972,7 @@ have_gdk_pixbuf=no
 with_gdk_pixbuf_req=unspecified
 
 # Check whether --with-pixbuf was given.
-if test "${with_pixbuf+set}" = set; then
+if test "${with_pixbuf+set}" = set; then :
   withval=$with_pixbuf; with_gdk_pixbuf="$withval"; with_gdk_pixbuf_req="$withval"
 else
   with_gdk_pixbuf=yes
@@ -18169,27 +12996,27 @@ esac
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for GDK_PIXBUF headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GDK_PIXBUF headers" >&5
 $as_echo_n "checking for GDK_PIXBUF headers... " >&6; }
      d=$with_gdk_pixbuf/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for GDK_PIXBUF libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GDK_PIXBUF libs" >&5
 $as_echo_n "checking for GDK_PIXBUF libs... " >&6; }
      d=$with_gdk_pixbuf/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -18224,23 +13051,23 @@ if test "$with_gdk_pixbuf" = yes; then
   have_gdk_pixbuf="$ok"
 
   if test "$have_gdk_pixbuf" = yes; then
-    { $as_echo "$as_me:$LINENO: checking for gdk-pixbuf includes" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gdk-pixbuf includes" >&5
 $as_echo_n "checking for gdk-pixbuf includes... " >&6; }
-if test "${ac_cv_gdk_pixbuf_config_cflags+set}" = set; then
+if ${ac_cv_gdk_pixbuf_config_cflags+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_gdk_pixbuf_config_cflags=`$pkg_config --cflags $pkgs`
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gdk_pixbuf_config_cflags" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gdk_pixbuf_config_cflags" >&5
 $as_echo "$ac_cv_gdk_pixbuf_config_cflags" >&6; }
-    { $as_echo "$as_me:$LINENO: checking for gdk-pixbuf libs" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gdk-pixbuf libs" >&5
 $as_echo_n "checking for gdk-pixbuf libs... " >&6; }
-if test "${ac_cv_gdk_pixbuf_config_libs+set}" = set; then
+if ${ac_cv_gdk_pixbuf_config_libs+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_gdk_pixbuf_config_libs=`$pkg_config --libs $pkgs`
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_gdk_pixbuf_config_libs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gdk_pixbuf_config_libs" >&5
 $as_echo "$ac_cv_gdk_pixbuf_config_libs" >&6; }
   fi
 
@@ -18248,296 +13075,44 @@ $as_echo "$ac_cv_gdk_pixbuf_config_libs" >&6; }
   ac_gdk_pixbuf_config_libs=$ac_cv_gdk_pixbuf_config_libs
 
 
-  if test "$have_gdk_pixbuf" = yes; then
-    #
-    # we appear to have pixbuf; check for headers/libs to be sure.
-    #
-    ac_save_gdk_pixbuf_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS $ac_gdk_pixbuf_config_cflags"
-
-    have_gdk_pixbuf=no
-
-    # check for header A...
-
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  if test \! -z "$includedir" ; then
-    CPPFLAGS="$CPPFLAGS -I$includedir"
-  fi
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "${ac_cv_header_gdk_pixbuf_gdk_pixbuf_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for gdk-pixbuf/gdk-pixbuf.h" >&5
-$as_echo_n "checking for gdk-pixbuf/gdk-pixbuf.h... " >&6; }
-if test "${ac_cv_header_gdk_pixbuf_gdk_pixbuf_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_gdk_pixbuf_gdk_pixbuf_h" >&5
-$as_echo "$ac_cv_header_gdk_pixbuf_gdk_pixbuf_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking gdk-pixbuf/gdk-pixbuf.h usability" >&5
-$as_echo_n "checking gdk-pixbuf/gdk-pixbuf.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <gdk-pixbuf/gdk-pixbuf.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking gdk-pixbuf/gdk-pixbuf.h presence" >&5
-$as_echo_n "checking gdk-pixbuf/gdk-pixbuf.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <gdk-pixbuf/gdk-pixbuf.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for gdk-pixbuf/gdk-pixbuf.h" >&5
-$as_echo_n "checking for gdk-pixbuf/gdk-pixbuf.h... " >&6; }
-if test "${ac_cv_header_gdk_pixbuf_gdk_pixbuf_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_gdk_pixbuf_gdk_pixbuf_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_gdk_pixbuf_gdk_pixbuf_h" >&5
-$as_echo "$ac_cv_header_gdk_pixbuf_gdk_pixbuf_h" >&6; }
-
-fi
-if test "x$ac_cv_header_gdk_pixbuf_gdk_pixbuf_h" = x""yes; then
-  have_gdk_pixbuf=yes
-fi
-
-
-  CPPFLAGS="$ac_save_CPPFLAGS"
-
-    # if that worked, check for header B...
-    if test "$have_gdk_pixbuf" = yes; then
-      have_gdk_pixbuf=no
-      gdk_pixbuf_halfassed=yes
-
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  if test \! -z "$includedir" ; then
-    CPPFLAGS="$CPPFLAGS -I$includedir"
-  fi
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "${ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for gdk-pixbuf/gdk-pixbuf-xlib.h" >&5
-$as_echo_n "checking for gdk-pixbuf/gdk-pixbuf-xlib.h... " >&6; }
-if test "${ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h" >&5
-$as_echo "$ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking gdk-pixbuf/gdk-pixbuf-xlib.h usability" >&5
-$as_echo_n "checking gdk-pixbuf/gdk-pixbuf-xlib.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <gdk-pixbuf/gdk-pixbuf-xlib.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
+  if test "$have_gdk_pixbuf" = yes; then
+    #
+    # we appear to have pixbuf; check for headers/libs to be sure.
+    #
+    ac_save_gdk_pixbuf_CPPFLAGS="$CPPFLAGS"
+    CPPFLAGS="$CPPFLAGS $ac_gdk_pixbuf_config_cflags"
 
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
+    have_gdk_pixbuf=no
 
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking gdk-pixbuf/gdk-pixbuf-xlib.h presence" >&5
-$as_echo_n "checking gdk-pixbuf/gdk-pixbuf-xlib.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <gdk-pixbuf/gdk-pixbuf-xlib.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+    # check for header A...
 
-  ac_header_preproc=no
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+  ac_fn_c_check_header_mongrel "$LINENO" "gdk-pixbuf/gdk-pixbuf.h" "ac_cv_header_gdk_pixbuf_gdk_pixbuf_h" "$ac_includes_default"
+if test "x$ac_cv_header_gdk_pixbuf_gdk_pixbuf_h" = xyes; then :
+  have_gdk_pixbuf=yes
 fi
 
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
 
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf/gdk-pixbuf-xlib.h: in the future, the compiler will take precedence" >&2;}
+  CPPFLAGS="$ac_save_CPPFLAGS"
 
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for gdk-pixbuf/gdk-pixbuf-xlib.h" >&5
-$as_echo_n "checking for gdk-pixbuf/gdk-pixbuf-xlib.h... " >&6; }
-if test "${ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h" >&5
-$as_echo "$ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h" >&6; }
+    # if that worked, check for header B...
+    if test "$have_gdk_pixbuf" = yes; then
+      have_gdk_pixbuf=no
+      gdk_pixbuf_halfassed=yes
 
-fi
-if test "x$ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h" = x""yes; then
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
+  ac_fn_c_check_header_mongrel "$LINENO" "gdk-pixbuf/gdk-pixbuf-xlib.h" "ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_gdk_pixbuf_gdk_pixbuf_xlib_h" = xyes; then :
   have_gdk_pixbuf=yes
                          gdk_pixbuf_halfassed=no
 fi
@@ -18556,134 +13131,8 @@ fi
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "${ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for gdk-pixbuf-xlib/gdk-pixbuf-xlib.h" >&5
-$as_echo_n "checking for gdk-pixbuf-xlib/gdk-pixbuf-xlib.h... " >&6; }
-if test "${ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h" >&5
-$as_echo "$ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking gdk-pixbuf-xlib/gdk-pixbuf-xlib.h usability" >&5
-$as_echo_n "checking gdk-pixbuf-xlib/gdk-pixbuf-xlib.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking gdk-pixbuf-xlib/gdk-pixbuf-xlib.h presence" >&5
-$as_echo_n "checking gdk-pixbuf-xlib/gdk-pixbuf-xlib.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: gdk-pixbuf-xlib/gdk-pixbuf-xlib.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for gdk-pixbuf-xlib/gdk-pixbuf-xlib.h" >&5
-$as_echo_n "checking for gdk-pixbuf-xlib/gdk-pixbuf-xlib.h... " >&6; }
-if test "${ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h" >&5
-$as_echo "$ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h" >&6; }
-
-fi
-if test "x$ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h" = x""yes; then
+  ac_fn_c_check_header_mongrel "$LINENO" "gdk-pixbuf-xlib/gdk-pixbuf-xlib.h" "ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_gdk_pixbuf_xlib_gdk_pixbuf_xlib_h" = xyes; then :
   have_gdk_pixbuf=yes
                            gdk_pixbuf_halfassed=no
 fi
@@ -18700,7 +13149,7 @@ fi
     have_gdk_pixbuf=no
     gdk_pixbuf_halfassed=yes
 
-    { $as_echo "$as_me:$LINENO: result: checking for gdk_pixbuf usability..." >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: checking for gdk_pixbuf usability..." >&5
 $as_echo "checking for gdk_pixbuf usability..." >&6; }
 
     # library A...
@@ -18723,18 +13172,14 @@ $as_echo "checking for gdk_pixbuf usability..." >&6; }
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for gdk_pixbuf_new_from_file in -lc" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gdk_pixbuf_new_from_file in -lc" >&5
 $as_echo_n "checking for gdk_pixbuf_new_from_file in -lc... " >&6; }
-if test "${ac_cv_lib_c_gdk_pixbuf_new_from_file+set}" = set; then
+if ${ac_cv_lib_c_gdk_pixbuf_new_from_file+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc $ac_gdk_pixbuf_config_libs -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -18752,43 +13197,18 @@ return gdk_pixbuf_new_from_file ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_c_gdk_pixbuf_new_from_file=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_c_gdk_pixbuf_new_from_file=no
+  ac_cv_lib_c_gdk_pixbuf_new_from_file=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_gdk_pixbuf_new_from_file" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_gdk_pixbuf_new_from_file" >&5
 $as_echo "$ac_cv_lib_c_gdk_pixbuf_new_from_file" >&6; }
-if test "x$ac_cv_lib_c_gdk_pixbuf_new_from_file" = x""yes; then
+if test "x$ac_cv_lib_c_gdk_pixbuf_new_from_file" = xyes; then :
   have_gdk_pixbuf=yes
 fi
 
@@ -18818,18 +13238,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for gdk_pixbuf_xlib_init in -lc" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gdk_pixbuf_xlib_init in -lc" >&5
 $as_echo_n "checking for gdk_pixbuf_xlib_init in -lc... " >&6; }
-if test "${ac_cv_lib_c_gdk_pixbuf_xlib_init+set}" = set; then
+if ${ac_cv_lib_c_gdk_pixbuf_xlib_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc $ac_gdk_pixbuf_config_libs -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -18847,43 +13263,18 @@ return gdk_pixbuf_xlib_init ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_c_gdk_pixbuf_xlib_init=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_c_gdk_pixbuf_xlib_init=no
+  ac_cv_lib_c_gdk_pixbuf_xlib_init=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_gdk_pixbuf_xlib_init" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_gdk_pixbuf_xlib_init" >&5
 $as_echo "$ac_cv_lib_c_gdk_pixbuf_xlib_init" >&6; }
-if test "x$ac_cv_lib_c_gdk_pixbuf_xlib_init" = x""yes; then
+if test "x$ac_cv_lib_c_gdk_pixbuf_xlib_init" = xyes; then :
   have_gdk_pixbuf=yes
                       gdk_pixbuf_halfassed=no
 fi
@@ -18898,12 +13289,10 @@ fi
   if test "$have_gdk_pixbuf" = yes; then
     INCLUDES="$INCLUDES $ac_gdk_pixbuf_config_cflags"
     XPM_LIBS="$ac_gdk_pixbuf_config_libs"
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_GDK_PIXBUF 1
-_ACEOF
+    $as_echo "#define HAVE_GDK_PIXBUF 1" >>confdefs.h
 
   else
-    { $as_echo "$as_me:$LINENO: result: checking for gdk_pixbuf usability... no" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: checking for gdk_pixbuf usability... no" >&5
 $as_echo "checking for gdk_pixbuf usability... no" >&6; }
   fi
 
@@ -18927,18 +13316,14 @@ $as_echo "checking for gdk_pixbuf usability... no" >&6; }
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for gdk_pixbuf_apply_embedded_orientation in -lc" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gdk_pixbuf_apply_embedded_orientation in -lc" >&5
 $as_echo_n "checking for gdk_pixbuf_apply_embedded_orientation in -lc... " >&6; }
-if test "${ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation+set}" = set; then
+if ${ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc $ac_gdk_pixbuf_config_libs -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -18956,46 +13341,19 @@ return gdk_pixbuf_apply_embedded_orientation ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation=no
+  ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation" >&5
 $as_echo "$ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation" >&6; }
-if test "x$ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation" = x""yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_GDK_PIXBUF_APPLY_EMBEDDED_ORIENTATION 1
-_ACEOF
+if test "x$ac_cv_lib_c_gdk_pixbuf_apply_embedded_orientation" = xyes; then :
+  $as_echo "#define HAVE_GDK_PIXBUF_APPLY_EMBEDDED_ORIENTATION 1" >>confdefs.h
 
 fi
 
@@ -19017,7 +13375,7 @@ have_xpm=no
 with_xpm_req=unspecified
 
 # Check whether --with-xpm was given.
-if test "${with_xpm+set}" = set; then
+if test "${with_xpm+set}" = set; then :
   withval=$with_xpm; with_xpm="$withval"; with_xpm_req="$withval"
 else
   with_xpm=yes
@@ -19030,27 +13388,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for XPM headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XPM headers" >&5
 $as_echo_n "checking for XPM headers... " >&6; }
      d=$with_xpm/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for XPM libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XPM libs" >&5
 $as_echo_n "checking for XPM libs... " >&6; }
      d=$with_xpm/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -19077,56 +13435,11 @@ if test "$with_xpm" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/xpm.h" >&5
-$as_echo_n "checking for X11/xpm.h... " >&6; }
-if test "${ac_cv_header_X11_xpm_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/xpm.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_xpm_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_xpm_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_xpm_h" >&5
-$as_echo "$ac_cv_header_X11_xpm_h" >&6; }
-if test "x$ac_cv_header_X11_xpm_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "X11/xpm.h" "ac_cv_header_X11_xpm_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_xpm_h" = xyes; then :
   have_xpm=yes
-                    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XPM 1
-_ACEOF
+                    $as_echo "#define HAVE_XPM 1" >>confdefs.h
 
                     XPM_LIBS="-lXpm $XPM_LIBS"
 fi
@@ -19163,7 +13476,7 @@ with_jpeg_req=unspecified
 jpeg_halfassed=no
 
 # Check whether --with-jpeg was given.
-if test "${with_jpeg+set}" = set; then
+if test "${with_jpeg+set}" = set; then :
   withval=$with_jpeg; with_jpeg="$withval"; with_jpeg_req="$withval"
 else
   with_jpeg=yes
@@ -19176,27 +13489,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for JPEG headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for JPEG headers" >&5
 $as_echo_n "checking for JPEG headers... " >&6; }
      d=$with_jpeg/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for JPEG libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for JPEG libs" >&5
 $as_echo_n "checking for JPEG libs... " >&6; }
      d=$with_jpeg/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -19230,134 +13543,8 @@ if test "$with_jpeg" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "${ac_cv_header_jpeglib_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for jpeglib.h" >&5
-$as_echo_n "checking for jpeglib.h... " >&6; }
-if test "${ac_cv_header_jpeglib_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_jpeglib_h" >&5
-$as_echo "$ac_cv_header_jpeglib_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking jpeglib.h usability" >&5
-$as_echo_n "checking jpeglib.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <jpeglib.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking jpeglib.h presence" >&5
-$as_echo_n "checking jpeglib.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <jpeglib.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: jpeglib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: jpeglib.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: jpeglib.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: jpeglib.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: jpeglib.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: jpeglib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: jpeglib.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: jpeglib.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: jpeglib.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for jpeglib.h" >&5
-$as_echo_n "checking for jpeglib.h... " >&6; }
-if test "${ac_cv_header_jpeglib_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_jpeglib_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_jpeglib_h" >&5
-$as_echo "$ac_cv_header_jpeglib_h" >&6; }
-
-fi
-if test "x$ac_cv_header_jpeglib_h" = x""yes; then
+  ac_fn_c_check_header_mongrel "$LINENO" "jpeglib.h" "ac_cv_header_jpeglib_h" "$ac_includes_default"
+if test "x$ac_cv_header_jpeglib_h" = xyes; then :
   have_jpeg=yes
 fi
 
@@ -19387,18 +13574,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for jpeg_start_compress in -ljpeg" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for jpeg_start_compress in -ljpeg" >&5
 $as_echo_n "checking for jpeg_start_compress in -ljpeg... " >&6; }
-if test "${ac_cv_lib_jpeg_jpeg_start_compress+set}" = set; then
+if ${ac_cv_lib_jpeg_jpeg_start_compress+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ljpeg  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -19410,55 +13593,28 @@ extern "C"
 char jpeg_start_compress ();
 int
 main ()
-{
-return jpeg_start_compress ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+{
+return jpeg_start_compress ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_jpeg_jpeg_start_compress=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_jpeg_jpeg_start_compress=no
+  ac_cv_lib_jpeg_jpeg_start_compress=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_jpeg_jpeg_start_compress" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_jpeg_jpeg_start_compress" >&5
 $as_echo "$ac_cv_lib_jpeg_jpeg_start_compress" >&6; }
-if test "x$ac_cv_lib_jpeg_jpeg_start_compress" = x""yes; then
+if test "x$ac_cv_lib_jpeg_jpeg_start_compress" = xyes; then :
   have_jpeg=yes
                     jpeg_halfassed=no
                     JPEG_LIBS="-ljpeg"
-                    cat >>confdefs.h <<\_ACEOF
-#define HAVE_JPEGLIB 1
-_ACEOF
+                    $as_echo "#define HAVE_JPEGLIB 1" >>confdefs.h
 
 fi
 
@@ -19478,145 +13634,11 @@ fi
 ###############################################################################
 
 PTY_LIBS=
-
-
 for ac_header in pty.h util.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
-$as_echo_n "checking $ac_header presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-
-fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-   if test "x$as_val" = x""yes; then
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -19644,18 +13666,14 @@ done
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for forkpty in -lutil" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lutil" >&5
 $as_echo_n "checking for forkpty in -lutil... " >&6; }
-if test "${ac_cv_lib_util_forkpty+set}" = set; then
+if ${ac_cv_lib_util_forkpty+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lutil  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -19673,48 +13691,21 @@ return forkpty ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_util_forkpty=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_util_forkpty=no
+  ac_cv_lib_util_forkpty=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_util_forkpty" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_forkpty" >&5
 $as_echo "$ac_cv_lib_util_forkpty" >&6; }
-if test "x$ac_cv_lib_util_forkpty" = x""yes; then
+if test "x$ac_cv_lib_util_forkpty" = xyes; then :
   PTY_LIBS="-lutil"
                 ac_have_forkpty=yes
-                cat >>confdefs.h <<\_ACEOF
-#define HAVE_FORKPTY 1
-_ACEOF
+                $as_echo "#define HAVE_FORKPTY 1" >>confdefs.h
 
 fi
 
@@ -19744,18 +13735,14 @@ if test "$ac_have_forkpty" != yes ; then
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for forkpty in -lc" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lc" >&5
 $as_echo_n "checking for forkpty in -lc... " >&6; }
-if test "${ac_cv_lib_c_forkpty+set}" = set; then
+if ${ac_cv_lib_c_forkpty+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -19773,47 +13760,20 @@ return forkpty ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_c_forkpty=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_c_forkpty=no
+  ac_cv_lib_c_forkpty=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_forkpty" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_forkpty" >&5
 $as_echo "$ac_cv_lib_c_forkpty" >&6; }
-if test "x$ac_cv_lib_c_forkpty" = x""yes; then
+if test "x$ac_cv_lib_c_forkpty" = xyes; then :
   PTY_LIBS=""
-                  cat >>confdefs.h <<\_ACEOF
-#define HAVE_FORKPTY 1
-_ACEOF
+                  $as_echo "#define HAVE_FORKPTY 1" >>confdefs.h
 
 fi
 
@@ -19833,7 +13793,7 @@ have_xshm=no
 with_xshm_req=unspecified
 
 # Check whether --with-xshm-ext was given.
-if test "${with_xshm_ext+set}" = set; then
+if test "${with_xshm_ext+set}" = set; then :
   withval=$with_xshm_ext; with_xshm="$withval"; with_xshm_req="$withval"
 else
   with_xshm=yes
@@ -19846,27 +13806,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for XSHM headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XSHM headers" >&5
 $as_echo_n "checking for XSHM headers... " >&6; }
      d=$with_xshm/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for XSHM libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XSHM libs" >&5
 $as_echo_n "checking for XSHM libs... " >&6; }
      d=$with_xshm/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -19895,52 +13855,9 @@ if test "$with_xshm" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/XShm.h" >&5
-$as_echo_n "checking for X11/extensions/XShm.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_XShm_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/XShm.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_XShm_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_XShm_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_XShm_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_XShm_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_XShm_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/XShm.h" "ac_cv_header_X11_extensions_XShm_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_XShm_h" = xyes; then :
   have_xshm=yes
 fi
 
@@ -19957,134 +13874,8 @@ fi
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "${ac_cv_header_sys_ipc_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for sys/ipc.h" >&5
-$as_echo_n "checking for sys/ipc.h... " >&6; }
-if test "${ac_cv_header_sys_ipc_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_ipc_h" >&5
-$as_echo "$ac_cv_header_sys_ipc_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking sys/ipc.h usability" >&5
-$as_echo_n "checking sys/ipc.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <sys/ipc.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking sys/ipc.h presence" >&5
-$as_echo_n "checking sys/ipc.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/ipc.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/ipc.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: sys/ipc.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for sys/ipc.h" >&5
-$as_echo_n "checking for sys/ipc.h... " >&6; }
-if test "${ac_cv_header_sys_ipc_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_sys_ipc_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_ipc_h" >&5
-$as_echo "$ac_cv_header_sys_ipc_h" >&6; }
-
-fi
-if test "x$ac_cv_header_sys_ipc_h" = x""yes; then
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/ipc.h" "ac_cv_header_sys_ipc_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_ipc_h" = xyes; then :
   have_xshm=yes
 fi
 
@@ -20102,134 +13893,8 @@ fi
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  if test "${ac_cv_header_sys_shm_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for sys/shm.h" >&5
-$as_echo_n "checking for sys/shm.h... " >&6; }
-if test "${ac_cv_header_sys_shm_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_shm_h" >&5
-$as_echo "$ac_cv_header_sys_shm_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking sys/shm.h usability" >&5
-$as_echo_n "checking sys/shm.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <sys/shm.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking sys/shm.h presence" >&5
-$as_echo_n "checking sys/shm.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/shm.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -rf conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: sys/shm.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: sys/shm.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: sys/shm.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: sys/shm.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: sys/shm.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: sys/shm.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: sys/shm.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: sys/shm.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: sys/shm.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for sys/shm.h" >&5
-$as_echo_n "checking for sys/shm.h... " >&6; }
-if test "${ac_cv_header_sys_shm_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_sys_shm_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_shm_h" >&5
-$as_echo "$ac_cv_header_sys_shm_h" >&6; }
-
-fi
-if test "x$ac_cv_header_sys_shm_h" = x""yes; then
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/shm.h" "ac_cv_header_sys_shm_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_shm_h" = xyes; then :
   have_xshm=yes
 fi
 
@@ -20266,18 +13931,14 @@ fi
 
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
   LDFLAGS=`eval eval eval eval eval eval eval eval eval echo $LDFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for XShmQueryExtension in -lXextSam" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XShmQueryExtension in -lXextSam" >&5
 $as_echo_n "checking for XShmQueryExtension in -lXextSam... " >&6; }
-if test "${ac_cv_lib_XextSam_XShmQueryExtension+set}" = set; then
+if ${ac_cv_lib_XextSam_XShmQueryExtension+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lXextSam -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -20295,43 +13956,18 @@ return XShmQueryExtension ();
   return 0;
 }
 _ACEOF
-rm -rf conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_XextSam_XShmQueryExtension=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_XextSam_XShmQueryExtension=no
+  ac_cv_lib_XextSam_XShmQueryExtension=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_XextSam_XShmQueryExtension" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_XextSam_XShmQueryExtension" >&5
 $as_echo "$ac_cv_lib_XextSam_XShmQueryExtension" >&6; }
-if test "x$ac_cv_lib_XextSam_XShmQueryExtension" = x""yes; then
+if test "x$ac_cv_lib_XextSam_XShmQueryExtension" = xyes; then :
   have_xshm=yes; X_EXTRA_LIBS="$X_EXTRA_LIBS -lXextSam"
 else
   true
@@ -20347,9 +13983,7 @@ fi
 
   # if that succeeded, then we've really got it.
   if test "$have_xshm" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_XSHM_EXTENSION 1
-_ACEOF
+    $as_echo "#define HAVE_XSHM_EXTENSION 1" >>confdefs.h
 
   fi
 
@@ -20369,7 +14003,7 @@ have_xdbe=no
 with_xdbe_req=unspecified
 
 # Check whether --with-xdbe-ext was given.
-if test "${with_xdbe_ext+set}" = set; then
+if test "${with_xdbe_ext+set}" = set; then :
   withval=$with_xdbe_ext; with_xdbe="$withval"; with_xdbe_req="$withval"
 else
   with_xdbe=yes
@@ -20382,27 +14016,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for DOUBLE-BUFFER headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DOUBLE-BUFFER headers" >&5
 $as_echo_n "checking for DOUBLE-BUFFER headers... " >&6; }
      d=$with_xdbe/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for DOUBLE-BUFFER libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DOUBLE-BUFFER libs" >&5
 $as_echo_n "checking for DOUBLE-BUFFER libs... " >&6; }
      d=$with_xdbe/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -20430,61 +14064,16 @@ if test "$with_xdbe" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/Xdbe.h" >&5
-$as_echo_n "checking for X11/extensions/Xdbe.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_Xdbe_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/Xdbe.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_Xdbe_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_Xdbe_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_Xdbe_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_Xdbe_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_Xdbe_h" = x""yes; then
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/Xdbe.h" "ac_cv_header_X11_extensions_Xdbe_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_Xdbe_h" = xyes; then :
   have_xdbe=yes
 fi
 
 
   CPPFLAGS="$ac_save_CPPFLAGS"
   if test "$have_xdbe" = yes; then
-    cat >>confdefs.h <<\_ACEOF
-#define HAVE_DOUBLE_BUFFER_EXTENSION 1
-_ACEOF
+    $as_echo "#define HAVE_DOUBLE_BUFFER_EXTENSION 1" >>confdefs.h
 
   fi
 
@@ -20508,7 +14097,7 @@ have_readdisplay=no
 with_readdisplay_req=unspecified
 
 # Check whether --with-readdisplay was given.
-if test "${with_readdisplay+set}" = set; then
+if test "${with_readdisplay+set}" = set; then :
   withval=$with_readdisplay; with_readdisplay="$withval"; with_readdisplay_req="$withval"
 else
   with_readdisplay=yes
@@ -20521,27 +14110,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for XReadDisplay headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XReadDisplay headers" >&5
 $as_echo_n "checking for XReadDisplay headers... " >&6; }
      d=$with_readdisplay/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for XReadDisplay libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XReadDisplay libs" >&5
 $as_echo_n "checking for XReadDisplay libs... " >&6; }
      d=$with_readdisplay/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -20568,55 +14157,10 @@ if test "$with_readdisplay" = yes; then
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   CPPFLAGS=`eval eval eval eval eval eval eval eval eval echo $CPPFLAGS`
-  { $as_echo "$as_me:$LINENO: checking for X11/extensions/readdisplay.h" >&5
-$as_echo_n "checking for X11/extensions/readdisplay.h... " >&6; }
-if test "${ac_cv_header_X11_extensions_readdisplay_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <X11/Xlib.h>
-
-#include <X11/extensions/readdisplay.h>
-_ACEOF
-rm -rf conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -rf conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_readdisplay_h=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_X11_extensions_readdisplay_h=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_readdisplay_h" >&5
-$as_echo "$ac_cv_header_X11_extensions_readdisplay_h" >&6; }
-if test "x$ac_cv_header_X11_extensions_readdisplay_h" = x""yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_READ_DISPLAY_EXTENSION 1
-_ACEOF
+  ac_fn_c_check_header_compile "$LINENO" "X11/extensions/readdisplay.h" "ac_cv_header_X11_extensions_readdisplay_h" "#include <X11/Xlib.h>
+"
+if test "x$ac_cv_header_X11_extensions_readdisplay_h" = xyes; then :
+  $as_echo "#define HAVE_READ_DISPLAY_EXTENSION 1" >>confdefs.h
 
 fi
 
@@ -20640,7 +14184,7 @@ with_imagedir_req=unspecified
 
 
 # Check whether --with-image-directory was given.
-if test "${with_image_directory+set}" = set; then
+if test "${with_image_directory+set}" = set; then :
   withval=$with_image_directory; with_imagedir="$withval"; with_imagedir_req="$withval"
 else
   with_imagedir=yes
@@ -20651,13 +14195,13 @@ fi
 case "$with_imagedir" in
   /*)
     # absolute path
-    { $as_echo "$as_me:$LINENO: checking for image directory $with_imagedir" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for image directory $with_imagedir" >&5
 $as_echo_n "checking for image directory $with_imagedir... " >&6; }
     if test -d "$with_imagedir" ; then
-      { $as_echo "$as_me:$LINENO: result: yes" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
     else
-      { $as_echo "$as_me:$LINENO: result: no" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
       with_imagedir=""
     fi
@@ -20672,14 +14216,14 @@ $as_echo "no" >&6; }
       "/Library/Desktop Pictures/"              \
     ; do
       if test -z "$with_imagedir"; then
-        { $as_echo "$as_me:$LINENO: checking for image directory $dd" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for image directory $dd" >&5
 $as_echo_n "checking for image directory $dd... " >&6; }
         if test -d "$dd" ; then
-          { $as_echo "$as_me:$LINENO: result: yes" >&5
+          { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
           with_imagedir="$dd"
         else
-          { $as_echo "$as_me:$LINENO: result: no" >&5
+          { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
         fi
       fi
@@ -20718,7 +14262,7 @@ with_textfile_req=unspecified
 
 
 # Check whether --with-text-file was given.
-if test "${with_text_file+set}" = set; then
+if test "${with_text_file+set}" = set; then :
   withval=$with_text_file; with_textfile="$withval"; with_textfile_req="$withval"
 else
   with_textfile=yes
@@ -20729,13 +14273,13 @@ fi
 case "$with_textfile" in
   /*)
     # absolute path
-    { $as_echo "$as_me:$LINENO: checking for text file $with_textfile" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for text file $with_textfile" >&5
 $as_echo_n "checking for text file $with_textfile... " >&6; }
     if test -f "$with_textfile" ; then
-      { $as_echo "$as_me:$LINENO: result: yes" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
     else
-      { $as_echo "$as_me:$LINENO: result: no" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
       with_textfile=""
     fi
@@ -20749,17 +14293,20 @@ $as_echo "no" >&6; }
       "/usr/share/doc/xserver-common/copyright"	   \
       "/usr/share/doc/xserver-xorg-core/copyright" \
       "/usr/X11R6/README"			   \
+      "/usr/share/doc/libX11*/COPYING"		   \
+      "/usr/X11/share/X11/doc/README*"		   \
       "/usr/share/doc/debian/debian-manifesto"     \
     ; do
       if test -z "$with_textfile"; then
-        { $as_echo "$as_me:$LINENO: checking for text file $f" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for text file $f" >&5
 $as_echo_n "checking for text file $f... " >&6; }
+	f=`/bin/ls $f 2>&- | head -1`
         if test -f "$f" ; then
-          { $as_echo "$as_me:$LINENO: result: yes" >&5
+          { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
           with_textfile="$f"
         else
-          { $as_echo "$as_me:$LINENO: result: no" >&5
+          { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
         fi
       fi
@@ -20791,7 +14338,7 @@ with_browser_req=unspecified
 
 
 # Check whether --with-browser was given.
-if test "${with_browser+set}" = set; then
+if test "${with_browser+set}" = set; then :
   withval=$with_browser; with_browser="$withval"; with_browser_req="$withval"
 else
   with_browser=no
@@ -20805,17 +14352,17 @@ case "$with_browser" in
   * )
     WITH_BROWSER=$with_browser
     gnome_open_program=$with_browser
-    { $as_echo "$as_me:$LINENO: checking for browser $with_browser" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for browser $with_browser" >&5
 $as_echo_n "checking for browser $with_browser... " >&6; }
     with_browser_fullpath=`which $with_browser 2>/dev/null`
     case $with_browser_fullpath in
 	 /* )
-	        { $as_echo "$as_me:$LINENO: result: yes" >&5
+	        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		 have_browser=yes
 		 ;;
 	* )
-	       { $as_echo "$as_me:$LINENO: result: no" >&5
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 # Only warning: we don't want to install all packages for the
 # dependency of the browser in building stage...
@@ -20837,7 +14384,7 @@ setuid_hacks_default=no
 setuid_hacks="$setuid_hacks_default"
 
 # Check whether --with-setuid-hacks was given.
-if test "${with_setuid_hacks+set}" = set; then
+if test "${with_setuid_hacks+set}" = set; then :
   withval=$with_setuid_hacks; setuid_hacks="$withval"
 else
   setuid_hacks="$setuid_hacks_default"
@@ -20850,27 +14397,27 @@ fi
     no)  ;;
 
     /*)
-     { $as_echo "$as_me:$LINENO: checking for setuid hacks headers" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for setuid hacks headers" >&5
 $as_echo_n "checking for setuid hacks headers... " >&6; }
      d=$setuid_hacks/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
-     { $as_echo "$as_me:$LINENO: checking for setuid hacks libs" >&5
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for setuid hacks libs" >&5
 $as_echo_n "checking for setuid hacks libs... " >&6; }
      d=$setuid_hacks/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
-       { $as_echo "$as_me:$LINENO: result: $d" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $d" >&5
 $as_echo "$d" >&6; }
      else
-       { $as_echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found ($d: no such directory)" >&5
 $as_echo "not found ($d: no such directory)" >&6; }
      fi
 
@@ -20939,6 +14486,11 @@ if test "$have_pam" = yes; then
   PASSWD_OBJS="$PASSWD_OBJS \$(PAM_OBJS)"
   INSTALL_PAM="install-pam"
 fi
+if test "$enable_pam_check_account_type" = yes; then
+  COMMENT_PAM_CHECK_ACCOUNT=""
+else
+  COMMENT_PAM_CHECK_ACCOUNT="#"
+fi
 if test "$have_passwd_helper" = yes; then
   PASSWD_SRCS="$PASSWD_SRCS \$(PWHELPER_SRCS)"
   PASSWD_OBJS="$PASSWD_OBJS \$(PWHELPER_OBJS)"
@@ -21023,7 +14575,7 @@ fi
 
 # Set PO_DATADIR to something sensible.
 #
-{ $as_echo "$as_me:$LINENO: checking for locale directory" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for locale directory" >&5
 $as_echo_n "checking for locale directory... " >&6; }
 if test -n "$GTK_DATADIR" ; then
   PO_DATADIR="$GTK_DATADIR"
@@ -21042,7 +14594,7 @@ if test -z "$PO_DATADIR" ; then
   PO_DATADIR=`echo $dd | sed 's@/X11R6/@/@'`
 fi
 
-{ $as_echo "$as_me:$LINENO: result: $PO_DATADIR/locale" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PO_DATADIR/locale" >&5
 $as_echo "$PO_DATADIR/locale" >&6; }
 
 
@@ -21125,6 +14677,10 @@ INCLUDES=`echo "$INCLUDES" | sed 's@ -I${prefix}/include@@g;'`
 
 
 
+
+
+
+
 
 
 
@@ -21138,7 +14694,7 @@ APPDEFAULTS=$ac_x_app_defaults
 
 
 
-ac_config_files="$ac_config_files Makefile utils/Makefile driver/Makefile hacks/Makefile hacks/glx/Makefile po/Makefile.in driver/XScreenSaver.ad"
+ac_config_files="$ac_config_files Makefile utils/Makefile driver/Makefile driver/xscreensaver.pam hacks/Makefile hacks/glx/Makefile po/Makefile.in driver/XScreenSaver.ad"
 
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -21167,13 +14723,13 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: cache variable $ac_var contains a newline" >&5
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
 $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
       BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) $as_unset $ac_var ;;
+      *) { eval $ac_var=; unset $ac_var;} ;;
       esac ;;
     esac
   done
@@ -21181,8 +14737,8 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes (double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \).
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
@@ -21204,12 +14760,23 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
-      { $as_echo "$as_me:$LINENO: updating cache $cache_file" >&5
+    if test "x$cache_file" != "x/dev/null"; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
-    { $as_echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
@@ -21223,14 +14790,15 @@ DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
+U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
   ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
-  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -21245,13 +14813,14 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
 $as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
-cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -21261,17 +14830,18 @@ cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 debug=false
 ac_cs_recheck=false
 ac_cs_silent=false
-SHELL=\${CONFIG_SHELL-$SHELL}
-_ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
@@ -21279,23 +14849,15 @@ if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
 esac
-
 fi
 
 
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
 as_nl='
 '
 export as_nl
@@ -21303,7 +14865,13 @@ export as_nl
 as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
   as_echo='printf %s\n'
   as_echo_n='printf %s'
 else
@@ -21314,7 +14882,7 @@ else
     as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
     as_echo_n_body='eval
       arg=$1;
-      case $arg in
+      case $arg in #(
       *"$as_nl"*)
 	expr "X$arg" : "X\\(.*\\)$as_nl";
 	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
@@ -21337,13 +14905,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
   }
 fi
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
-fi
-
 
 # IFS
 # We need space, tab and new line, in precisely that order.  Quoting is
@@ -21353,15 +14914,16 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
+as_myself=
+case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
 IFS=$as_save_IFS
 
      ;;
@@ -21373,12 +14935,16 @@ if test "x$as_myself" = x; then
 fi
 if test ! -f "$as_myself"; then
   $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  exit 1
 fi
 
-# Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
 done
 PS1='$ '
 PS2='> '
@@ -21390,7 +14956,89 @@ export LC_ALL
 LANGUAGE=C
 export LANGUAGE
 
-# Required to use basename.
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  $as_echo "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -21404,8 +15052,12 @@ else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
@@ -21425,76 +15077,25 @@ $as_echo X/"$0" |
 	  }
 	  s/.*/./; q'`
 
-# CDPATH.
-$as_unset CDPATH
-
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
+case `echo -n x` in #(((((
 -n*)
-  case `echo 'x\c'` in
+  case `echo 'xy\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
   esac;;
 *)
   ECHO_N='-n';;
 esac
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
 
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
@@ -21509,49 +15110,85 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
 
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -21561,13 +15198,19 @@ as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
 exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
 
-# Save the log message, to keep $[0] and so on meaningful, and to
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.63.  Invocation command line was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -21599,13 +15242,15 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files from templates according to the
-current configuration.
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
 
-Usage: $0 [OPTION]... [FILE]...
+Usage: $0 [OPTION]... [TAG]...
 
   -h, --help       print this help, then exit
   -V, --version    print version number and configuration settings, then exit
+      --config     print configuration, then exit
   -q, --quiet, --silent
                    do not print progress messages
   -d, --debug      don't remove temporary files
@@ -21624,16 +15269,17 @@ $config_headers
 Configuration commands:
 $config_commands
 
-Report bugs to <bug-autoconf@gnu.org>."
+Report bugs to the package provider."
 
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.63,
-  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+configured by $0, generated by GNU Autoconf 2.69,
+  with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2008 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -21649,11 +15295,16 @@ ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
-  --*=*)
+  --*=?*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -21667,27 +15318,29 @@ do
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
     $as_echo "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    $as_echo "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
     esac
-    CONFIG_FILES="$CONFIG_FILES '$ac_optarg'"
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
   --header | --heade | --head | --hea )
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
-    CONFIG_HEADERS="$CONFIG_HEADERS '$ac_optarg'"
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    { $as_echo "$as_me: error: ambiguous option: $1
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; };;
+    as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     $as_echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
@@ -21695,11 +15348,10 @@ Try \`$0 --help' for more information." >&2
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) { $as_echo "$as_me: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; } ;;
+  -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
 
-  *) ac_config_targets="$ac_config_targets $1"
+  *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
 
   esac
@@ -21716,7 +15368,7 @@ fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
   \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
@@ -21757,14 +15409,13 @@ do
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
     "utils/Makefile") CONFIG_FILES="$CONFIG_FILES utils/Makefile" ;;
     "driver/Makefile") CONFIG_FILES="$CONFIG_FILES driver/Makefile" ;;
+    "driver/xscreensaver.pam") CONFIG_FILES="$CONFIG_FILES driver/xscreensaver.pam" ;;
     "hacks/Makefile") CONFIG_FILES="$CONFIG_FILES hacks/Makefile" ;;
     "hacks/glx/Makefile") CONFIG_FILES="$CONFIG_FILES hacks/glx/Makefile" ;;
     "po/Makefile.in") CONFIG_FILES="$CONFIG_FILES po/Makefile.in" ;;
     "driver/XScreenSaver.ad") CONFIG_FILES="$CONFIG_FILES driver/XScreenSaver.ad" ;;
 
-  *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
-$as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
-   { (exit 1); exit 1; }; };;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -21787,26 +15438,24 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
+  trap 'as_fn_exit 1' 1 2 13 15
 }
 # Create a (secure) tmp directory for tmp files.
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} ||
-{
-   $as_echo "$as_me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
-}
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -21814,7 +15463,13 @@ $debug ||
 if test -n "$CONFIG_FILES"; then
 
 
-ac_cr='
'
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
   ac_cs_awk_cr='\\r'
@@ -21822,7 +15477,7 @@ else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -21831,24 +15486,18 @@ _ACEOF
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$subs.sh ||
-  { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
 
   ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -21856,7 +15505,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -21870,7 +15519,7 @@ s/'"$ac_delim"'$//
 t delim
 :nl
 h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
 t more1
 s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
 p
@@ -21884,7 +15533,7 @@ s/.\{148\}//
 t nl
 :delim
 h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
 t more2
 s/["\\]/\\&/g; s/^/"/; s/$/"/
 p
@@ -21904,7 +15553,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -21936,23 +15585,29 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
-$as_echo "$as_me: error: could not setup config files machinery" >&2;}
-   { (exit 1); exit 1; }; }
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
 s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -21964,7 +15619,7 @@ fi # test -n "$CONFIG_FILES"
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -21976,13 +15631,11 @@ _ACEOF
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
     break
   elif $ac_last_try; then
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_HEADERS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_HEADERS" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -22067,9 +15720,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
 _ACEOF
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  { { $as_echo "$as_me:$LINENO: error: could not setup config headers machinery" >&5
-$as_echo "$as_me: error: could not setup config headers machinery" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
 fi # test -n "$CONFIG_HEADERS"
 
 
@@ -22082,9 +15733,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: invalid tag $ac_tag" >&5
-$as_echo "$as_me: error: invalid tag $ac_tag" >&2;}
-   { (exit 1); exit 1; }; };;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -22103,7 +15752,7 @@ $as_echo "$as_me: error: invalid tag $ac_tag" >&2;}
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -22112,12 +15761,10 @@ $as_echo "$as_me: error: invalid tag $ac_tag" >&2;}
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   { { $as_echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
-$as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
-   { (exit 1); exit 1; }; };;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      ac_file_inputs="$ac_file_inputs '$ac_f'"
+      as_fn_append ac_file_inputs " '$ac_f'"
     done
 
     # Let's still pretend it is `configure' which instantiates (i.e., don't
@@ -22128,7 +15775,7 @@ $as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:$LINENO: creating $ac_file" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
 $as_echo "$as_me: creating $ac_file" >&6;}
     fi
     # Neutralize special characters interpreted by sed in replacement strings.
@@ -22140,10 +15787,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; } ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -22171,47 +15816,7 @@ $as_echo X"$ac_file" |
 	    q
 	  }
 	  s/.*/./; q'`
-  { as_dir="$ac_dir"
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || { { $as_echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
-$as_echo "$as_me: error: cannot create directory $as_dir" >&2;}
-   { (exit 1); exit 1; }; }; }
+  as_dir="$ac_dir"; as_fn_mkdir_p
   ac_builddir=.
 
 case "$ac_dir" in
@@ -22263,7 +15868,6 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # If the template does not know about datarootdir, expand it.
 # FIXME: This hack should be removed a few years after 2.60.
 ac_datarootdir_hack=; ac_datarootdir_seen=
-
 ac_sed_dataroot='
 /datarootdir/ {
   p
@@ -22273,12 +15877,11 @@ ac_sed_dataroot='
 /@docdir@/p
 /@infodir@/p
 /@localedir@/p
-/@mandir@/p
-'
+/@mandir@/p'
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
 $as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
@@ -22288,7 +15891,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   s&@infodir@&$infodir&g
   s&@localedir@&$localedir&g
   s&@mandir@&$mandir&g
-    s&\\\${datarootdir}&$datarootdir&g' ;;
+  s&\\\${datarootdir}&$datarootdir&g' ;;
 esac
 _ACEOF
 
@@ -22315,27 +15918,24 @@ s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
-  { $as_echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&5
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&2;}
+which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
   esac \
-  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -22344,31 +15944,25 @@ $as_echo "$as_me: error: could not create $ac_file" >&2;}
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
-      { $as_echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
-	|| { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create -" >&5
-$as_echo "$as_me: error: could not create -" >&2;}
-   { (exit 1); exit 1; }; }
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;
 
-  :C)  { $as_echo "$as_me:$LINENO: executing $ac_file commands" >&5
+  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
 $as_echo "$as_me: executing $ac_file commands" >&6;}
  ;;
   esac
@@ -22416,15 +16010,12 @@ chmod u+w intltool-update
 done # for ac_tag
 
 
-{ (exit 0); exit 0; }
+as_fn_exit 0
 _ACEOF
-chmod +x $CONFIG_STATUS
 ac_clean_files=$ac_clean_files_save
 
 test $ac_write_fail = 0 ||
-  { { $as_echo "$as_me:$LINENO: error: write failure creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: write failure creating $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
 # configure is writing to config.log, and then calls config.status.
@@ -22445,10 +16036,10 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || { (exit 1); exit 1; }
+  $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:$LINENO: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
@@ -22859,15 +16450,10 @@ HACK_CONF_DIR=`echo "${HACK_CONF_DIR}" | sed 's@/$@@;s@//*@/@g'`
 for bad_choice in xscreensaver xscreensaver-demo xscreensaver-command ; do
   if test "${HACKDIR}" = "${bindir}/${bad_choice}" ; then
     echo ""
-    { { $as_echo "$as_me:$LINENO: error: \"--with-hackdir=${bindir}/${bad_choice}\" won't work.
-                   There will be an executable installed with that name, so
-                   that can't be the name of a directory as well.  Please
-                   re-configure with a different directory name." >&5
-$as_echo "$as_me: error: \"--with-hackdir=${bindir}/${bad_choice}\" won't work.
+    as_fn_error $? "\"--with-hackdir=${bindir}/${bad_choice}\" won't work.
                    There will be an executable installed with that name, so
                    that can't be the name of a directory as well.  Please
-                   re-configure with a different directory name." >&2;}
-   { (exit 1); exit 1; }; }
+                   re-configure with a different directory name." "$LINENO" 5
   fi
 done