X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=configure;h=c6ce9ec195fb12dae9f699ca515c62fb042b0bec;hp=74d889e6e61d4faab625cb8a08dfcaafe937f66e;hb=06e9a7886a77cad92f9ddbc169d6d199a4d8b76d;hpb=df7adbee81405e2849728a24b498ad2117784b1f

diff --git a/configure b/configure
index 74d889e6..c6ce9ec1 100755
--- a/configure
+++ b/configure
@@ -74,12 +74,13 @@ User interface options:
 ac_help="$ac_help
   --with-gtk              Use the Gtk toolkit for the user interface."
 ac_help="$ac_help
-  --with-athena           Use the Athena toolkit for the user interface."
-ac_help="$ac_help
 
 Graphics options:
 
   --with-gl               Build those demos which depend on OpenGL."
+ac_help="$ac_help
+  --with-gle              Build those demos which depend on GLE
+                          (the OpenGL "extrusion" library.)"
 ac_help="$ac_help
   --with-xpm              Include support for XPM files in some demos."
 ac_help="$ac_help
@@ -786,7 +787,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:801: checking host system type" >&5
+echo "configure:802: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -809,7 +810,7 @@ echo "$ac_t""$host" 1>&6
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:824: checking for $ac_word" >&5
+echo "configure:825: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -839,7 +840,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:854: checking for $ac_word" >&5
+echo "configure:855: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -890,7 +891,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:905: checking for $ac_word" >&5
+echo "configure:906: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -922,7 +923,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:937: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:938: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -933,12 +934,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 948 "configure"
+#line 949 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:953: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:954: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -964,12 +965,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:979: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:980: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:984: checking whether we are using GNU C" >&5
+echo "configure:985: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -978,7 +979,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:993: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:994: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -997,7 +998,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1012: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1013: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1031,7 +1032,7 @@ fi
 
   if test -z "$GCC"; then
     echo $ac_n "checking how to request ANSI compilation""... $ac_c" 1>&6
-echo "configure:1046: checking how to request ANSI compilation" >&5
+echo "configure:1047: checking how to request ANSI compilation" >&5
     case "$host" in
       *-hpux* )
         echo "$ac_t""HPUX: adding -Ae" 1>&6
@@ -1054,16 +1055,16 @@ echo "configure:1046: checking how to request ANSI compilation" >&5
   fi
 
   echo $ac_n "checking whether the compiler works on ANSI C""... $ac_c" 1>&6
-echo "configure:1069: checking whether the compiler works on ANSI C" >&5
+echo "configure:1070: checking whether the compiler works on ANSI C" >&5
   if test "$cross_compiling" = yes; then
   { echo "configure: error: Couldn't build even a trivial ANSI C program: check CC." 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1074 "configure"
+#line 1075 "configure"
 #include "confdefs.h"
  main(int ac, char **av) { return 0; } 
 EOF
-if { (eval echo configure:1078: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1079: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""yes" 1>&6
 else
@@ -1080,6 +1081,8 @@ fi
   if test -n "$GCC"; then
     echo "$ac_t""Turning on gcc compiler warnings." 1>&6
     CC="$CC -Wall -Wstrict-prototypes -Wnested-externs -Wno-format"
+    echo "$ac_t""Disabling C++ comments in ANSI C code." 1>&6
+    CC="$CC -Wp,-lang-c89"
   else
     case "$host" in
       *-irix5* |*-irix6.0-3* )
@@ -1096,7 +1099,7 @@ fi
   fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1111: checking how to run the C preprocessor" >&5
+echo "configure:1114: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1111,13 +1114,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1126 "configure"
+#line 1129 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1132: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1135: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1128,13 +1131,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1143 "configure"
+#line 1146 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1149: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1152: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1145,13 +1148,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1160 "configure"
+#line 1163 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1166: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1169: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1176,12 +1179,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:1191: checking for working const" >&5
+echo "configure:1194: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1196 "configure"
+#line 1199 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1230,7 +1233,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:1245: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1248: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -1251,21 +1254,21 @@ EOF
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:1266: checking for inline" >&5
+echo "configure:1269: checking for inline" >&5
 if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 1273 "configure"
+#line 1276 "configure"
 #include "confdefs.h"
 
 int main() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:1280: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1283: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -1304,7 +1307,7 @@ esac
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1319: checking for a BSD compatible install" >&5
+echo "configure:1322: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1357,7 +1360,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether \"\${INSTALL} -d\" creates intermediate directories""... $ac_c" 1>&6
-echo "configure:1372: checking whether \"\${INSTALL} -d\" creates intermediate directories" >&5
+echo "configure:1375: checking whether \"\${INSTALL} -d\" creates intermediate directories" >&5
 if eval "test \"`echo '$''{'ac_cv_install_d_creates_dirs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1379,7 +1382,7 @@ echo "$ac_t""$ac_cv_install_d_creates_dirs" 1>&6
 
   if test "$ac_cv_install_d_creates_dirs" = no ; then
     echo $ac_n "checking whether \"mkdir -p\" creates intermediate directories""... $ac_c" 1>&6
-echo "configure:1394: checking whether \"mkdir -p\" creates intermediate directories" >&5
+echo "configure:1397: checking whether \"mkdir -p\" creates intermediate directories" >&5
 if eval "test \"`echo '$''{'ac_cv_mkdir_p_creates_dirs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1410,7 +1413,7 @@ echo "$ac_t""$ac_cv_mkdir_p_creates_dirs" 1>&6
   fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:1425: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:1428: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1439,12 +1442,12 @@ fi
 
 # random libc stuff
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1454: checking for ANSI C header files" >&5
+echo "configure:1457: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1459 "configure"
+#line 1462 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1452,7 +1455,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1467: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1470: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1469,7 +1472,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1484 "configure"
+#line 1487 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1487,7 +1490,7 @@ 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 <<EOF
-#line 1502 "configure"
+#line 1505 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1508,7 +1511,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1523 "configure"
+#line 1526 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1519,7 +1522,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1534: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1537: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1546,17 +1549,17 @@ for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1561: checking for $ac_hdr" >&5
+echo "configure:1564: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1566 "configure"
+#line 1569 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1571: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1574: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1583,12 +1586,12 @@ fi
 done
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:1598: checking for mode_t" >&5
+echo "configure:1601: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1603 "configure"
+#line 1606 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1616,12 +1619,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:1631: checking for pid_t" >&5
+echo "configure:1634: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1636 "configure"
+#line 1639 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1649,12 +1652,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1664: checking for size_t" >&5
+echo "configure:1667: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1669 "configure"
+#line 1672 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1682,12 +1685,12 @@ EOF
 fi
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:1697: checking return type of signal handlers" >&5
+echo "configure:1700: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1702 "configure"
+#line 1705 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1704,7 +1707,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:1719: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1722: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -1723,12 +1726,12 @@ EOF
 
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1738: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1741: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1743 "configure"
+#line 1746 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1737,7 +1740,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1752: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1758,12 +1761,12 @@ EOF
 fi
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:1773: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:1776: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1778 "configure"
+#line 1781 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -1779,7 +1782,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:1794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1797: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -1804,12 +1807,12 @@ for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:1819: checking for $ac_hdr that defines DIR" >&5
+echo "configure:1822: checking for $ac_hdr that defines DIR" >&5
 if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1824 "configure"
+#line 1827 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -1817,7 +1820,7 @@ int main() {
 DIR *dirp = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:1832: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1835: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_header_dirent_$ac_safe=yes"
 else
@@ -1842,7 +1845,7 @@ done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:1857: checking for opendir in -ldir" >&5
+echo "configure:1860: checking for opendir in -ldir" >&5
 ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1850,7 +1853,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1865 "configure"
+#line 1868 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1861,7 +1864,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1879: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1883,7 +1886,7 @@ fi
 
 else
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:1898: checking for opendir in -lx" >&5
+echo "configure:1901: checking for opendir in -lx" >&5
 ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1891,7 +1894,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1906 "configure"
+#line 1909 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1902,7 +1905,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1917: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1920: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1925,12 +1928,12 @@ fi
 fi
 
 echo $ac_n "checking how to call gettimeofday""... $ac_c" 1>&6
-echo "configure:1940: checking how to call gettimeofday" >&5
+echo "configure:1943: checking how to call gettimeofday" >&5
   if eval "test \"`echo '$''{'ac_cv_gettimeofday_args'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1945 "configure"
+#line 1948 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
                     #include <sys/time.h>
@@ -1939,7 +1942,7 @@ struct timeval tv; struct timezone tzp;
                     gettimeofday(&tv, &tzp);
 ; return 0; }
 EOF
-if { (eval echo configure:1954: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1957: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_gettimeofday_args=2
 else
@@ -1947,7 +1950,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 1962 "configure"
+#line 1965 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
                                     #include <sys/time.h>
@@ -1955,7 +1958,7 @@ int main() {
 struct timeval tv; gettimeofday(&tv);
 ; return 0; }
 EOF
-if { (eval echo configure:1970: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1973: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_gettimeofday_args=1
 else
@@ -1994,12 +1997,12 @@ EOF
 for ac_func in select fcntl uname nice setpriority getcwd getwd putenv
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2009: checking for $ac_func" >&5
+echo "configure:2012: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2014 "configure"
+#line 2017 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2022,7 +2025,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2037: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2040: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2050,12 +2053,12 @@ done
 for ac_func in sigaction syslog realpath
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2065: checking for $ac_func" >&5
+echo "configure:2068: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2070 "configure"
+#line 2073 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2078,7 +2081,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2096: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2103,12 +2106,12 @@ fi
 done
 
 echo $ac_n "checking for struct icmp""... $ac_c" 1>&6
-echo "configure:2118: checking for struct icmp" >&5
+echo "configure:2121: checking for struct icmp" >&5
 if eval "test \"`echo '$''{'ac_cv_have_icmp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2123 "configure"
+#line 2126 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
                    #include <stdio.h>
@@ -2143,7 +2146,7 @@ struct icmp i;
                    ip.ip_hl = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2158: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2161: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_have_icmp=yes
 else
@@ -2163,12 +2166,12 @@ EOF
 
  fi
 echo $ac_n "checking for struct icmphdr""... $ac_c" 1>&6
-echo "configure:2178: checking for struct icmphdr" >&5
+echo "configure:2181: checking for struct icmphdr" >&5
 if eval "test \"`echo '$''{'ac_cv_have_icmphdr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2183 "configure"
+#line 2186 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
                    #include <stdio.h>
@@ -2203,7 +2206,7 @@ struct icmphdr i;
                    ip.ip_hl = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2218: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2221: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_have_icmphdr=yes
 else
@@ -2226,17 +2229,17 @@ for ac_hdr in crypt.h sys/select.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2241: checking for $ac_hdr" >&5
+echo "configure:2244: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2246 "configure"
+#line 2249 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2251: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2254: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2262,13 +2265,12 @@ else
 fi
 done
 
-PERL=''
-  for ac_prog in perl5 perl
+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
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2283: checking for $ac_word" >&5
+echo "configure:2285: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2307,7 +2309,7 @@ done
     PERL_VERSION=0
   else
     echo $ac_n "checking perl version""... $ac_c" 1>&6
-echo "configure:2322: checking perl version" >&5
+echo "configure:2324: checking perl version" >&5
 if eval "test \"`echo '$''{'ac_cv_perl_version'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2329,7 +2331,7 @@ fi
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:2344: checking for X" >&5
+echo "configure:2346: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -2391,12 +2393,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 2406 "configure"
+#line 2408 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2411: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2413: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2465,14 +2467,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2480 "configure"
+#line 2482 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:2487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2489: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -2578,17 +2580,17 @@ else
     case "`(uname -sr) 2>/dev/null`" in
     "SunOS 5"*)
       echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:2593: checking whether -R must be followed by a space" >&5
+echo "configure:2595: checking whether -R must be followed by a space" >&5
       ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
       cat > conftest.$ac_ext <<EOF
-#line 2596 "configure"
+#line 2598 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2603: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2605: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_nospace=yes
 else
@@ -2604,14 +2606,14 @@ rm -f conftest*
       else
 	LIBS="$ac_xsave_LIBS -R $x_libraries"
 	cat > conftest.$ac_ext <<EOF
-#line 2619 "configure"
+#line 2621 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2626: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2628: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_space=yes
 else
@@ -2643,7 +2645,7 @@ rm -f conftest*
     # libraries were built with DECnet support.  And karl@cs.umb.edu says
     # the Alpha needs dnet_stub (dnet does not exist).
     echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:2658: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:2660: checking for dnet_ntoa in -ldnet" >&5
 ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2651,7 +2653,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2666 "configure"
+#line 2668 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2662,7 +2664,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:2677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2679: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2684,7 +2686,7 @@ fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
       echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:2699: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:2701: checking for dnet_ntoa in -ldnet_stub" >&5
 ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2692,7 +2694,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet_stub  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2707 "configure"
+#line 2709 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2703,7 +2705,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:2718: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2720: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2732,12 +2734,12 @@ fi
     # The nsl library prevents programs from opening the X display
     # on Irix 5.2, according to dickey@clark.net.
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:2747: checking for gethostbyname" >&5
+echo "configure:2749: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2752 "configure"
+#line 2754 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -2760,7 +2762,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2775: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -2781,7 +2783,7 @@ fi
 
     if test $ac_cv_func_gethostbyname = no; then
       echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:2796: checking for gethostbyname in -lnsl" >&5
+echo "configure:2798: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2789,7 +2791,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2804 "configure"
+#line 2806 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2800,7 +2802,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2815: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2830,12 +2832,12 @@ fi
     # -lsocket must be given before -lnsl if both are needed.
     # We assume that if connect needs -lnsl, so does gethostbyname.
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:2845: checking for connect" >&5
+echo "configure:2847: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2850 "configure"
+#line 2852 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -2858,7 +2860,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -2879,7 +2881,7 @@ fi
 
     if test $ac_cv_func_connect = no; then
       echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:2894: checking for connect in -lsocket" >&5
+echo "configure:2896: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2887,7 +2889,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2902 "configure"
+#line 2904 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2898,7 +2900,7 @@ int main() {
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:2913: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2922,12 +2924,12 @@ fi
 
     # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
     echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:2937: checking for remove" >&5
+echo "configure:2939: checking for remove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2942 "configure"
+#line 2944 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char remove(); below.  */
@@ -2950,7 +2952,7 @@ remove();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2965: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_remove=yes"
 else
@@ -2971,7 +2973,7 @@ fi
 
     if test $ac_cv_func_remove = no; then
       echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:2986: checking for remove in -lposix" >&5
+echo "configure:2988: checking for remove in -lposix" >&5
 ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2979,7 +2981,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lposix  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2994 "configure"
+#line 2996 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2990,7 +2992,7 @@ int main() {
 remove()
 ; return 0; }
 EOF
-if { (eval echo configure:3005: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3007: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3014,12 +3016,12 @@ fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:3029: checking for shmat" >&5
+echo "configure:3031: checking for shmat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3034 "configure"
+#line 3036 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char shmat(); below.  */
@@ -3042,7 +3044,7 @@ shmat();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3057: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3059: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_shmat=yes"
 else
@@ -3063,7 +3065,7 @@ fi
 
     if test $ac_cv_func_shmat = no; then
       echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:3078: checking for shmat in -lipc" >&5
+echo "configure:3080: checking for shmat in -lipc" >&5
 ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3071,7 +3073,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3086 "configure"
+#line 3088 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3082,7 +3084,7 @@ int main() {
 shmat()
 ; return 0; }
 EOF
-if { (eval echo configure:3097: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3099: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3115,7 +3117,7 @@ fi
   # libraries we check for below, so use a different variable.
   #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
   echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:3130: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:3132: checking for IceConnectionNumber in -lICE" >&5
 ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3123,7 +3125,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lICE $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3138 "configure"
+#line 3140 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3134,7 +3136,7 @@ int main() {
 IceConnectionNumber()
 ; return 0; }
 EOF
-if { (eval echo configure:3149: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3151: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3165,7 +3167,7 @@ fi
 
 
     echo $ac_n "checking for X app-defaults directory""... $ac_c" 1>&6
-echo "configure:3180: checking for X app-defaults directory" >&5
+echo "configure:3182: checking for X app-defaults directory" >&5
 if eval "test \"`echo '$''{'ac_cv_x_app_defaults'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3364,7 +3366,7 @@ case "$host" in
 
         # Some versions of Slowlaris Motif require -lgen.  But not all.  Why?
         echo $ac_n "checking for regcmp in -lgen""... $ac_c" 1>&6
-echo "configure:3379: checking for regcmp in -lgen" >&5
+echo "configure:3381: checking for regcmp in -lgen" >&5
 ac_lib_var=`echo gen'_'regcmp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3372,7 +3374,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lgen  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3387 "configure"
+#line 3389 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3383,7 +3385,7 @@ int main() {
 regcmp()
 ; return 0; }
 EOF
-if { (eval echo configure:3398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3400: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3407,7 +3409,7 @@ fi
     ;;
   esac
 echo $ac_n "checking for XPointer""... $ac_c" 1>&6
-echo "configure:3422: checking for XPointer" >&5
+echo "configure:3424: checking for XPointer" >&5
 if eval "test \"`echo '$''{'ac_cv_xpointer'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3418,14 +3420,14 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 3433 "configure"
+#line 3435 "configure"
 #include "confdefs.h"
 #include <X11/Xlib.h>
 int main() {
 XPointer foo = (XPointer) 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3440: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3442: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_xpointer=yes
 else
@@ -3463,17 +3465,17 @@ have_xmu=no
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "X11/Xmu/Error.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/Xmu/Error.h""... $ac_c" 1>&6
-echo "configure:3478: checking for X11/Xmu/Error.h" >&5
+echo "configure:3480: checking for X11/Xmu/Error.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3483 "configure"
+#line 3485 "configure"
 #include "confdefs.h"
 #include <X11/Xmu/Error.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3488: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3490: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3505,8 +3507,6 @@ else
   HACK_LIBS="-lXmu $HACK_LIBS"
   MOTIF_LIBS="-lXmu $MOTIF_LIBS"
   GTK_LIBS="-lXmu $GTK_LIBS"
-  ATHENA_LIBS="-lXmu $ATHENA_LIBS"
-  ATHENA3D_LIBS="-lXmu $ATHENA3D_LIBS"
   cat >> confdefs.h <<\EOF
 #define HAVE_XMU 1
 EOF
@@ -3864,7 +3864,7 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for XScreenSaverRegister in -lXext""... $ac_c" 1>&6
 echo "configure:3882: checking for XScreenSaverRegister in -lXext" >&5
@@ -3930,7 +3930,7 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for XScreenSaverRegister in -lXExExt""... $ac_c" 1>&6
 echo "configure:3948: checking for XScreenSaverRegister in -lXExExt" >&5
@@ -3999,7 +3999,7 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for XScreenSaverRegister in -lXss""... $ac_c" 1>&6
 echo "configure:4017: checking for XScreenSaverRegister in -lXss" >&5
@@ -4292,7 +4292,7 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for XSGIvcQueryGammaMap in -lXsgivc""... $ac_c" 1>&6
 echo "configure:4310: checking for XSGIvcQueryGammaMap in -lXsgivc" >&5
@@ -4475,7 +4475,7 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for DPMSInfo in -lXdpms""... $ac_c" 1>&6
 echo "configure:4493: checking for DPMSInfo in -lXdpms" >&5
@@ -4658,7 +4658,7 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for XF86VidModeGetViewPort in -lXxf86vm""... $ac_c" 1>&6
 echo "configure:4676: checking for XF86VidModeGetViewPort in -lXxf86vm" >&5
@@ -6058,6 +6058,53 @@ fi
 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"
+  ac_safe=`echo "Xm/ComboBox.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for Xm/ComboBox.h""... $ac_c" 1>&6
+echo "configure:6082: checking for Xm/ComboBox.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 6087 "configure"
+#include "confdefs.h"
+#include <Xm/ComboBox.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:6092: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  cat >> confdefs.h <<\EOF
+#define HAVE_XMCOMBOBOX 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+fi
+
+
 ###############################################################################
 #
 #       Check for -lgtk.
@@ -6093,7 +6140,7 @@ esac
 
     /*)
      echo $ac_n "checking for Gtk headers""... $ac_c" 1>&6
-echo "configure:6108: checking for Gtk headers" >&5
+echo "configure:6155: checking for Gtk headers" >&5
      d=$with_gtk/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
@@ -6103,7 +6150,7 @@ echo "configure:6108: checking for Gtk headers" >&5
      fi
 
      echo $ac_n "checking for Gtk libs""... $ac_c" 1>&6
-echo "configure:6118: checking for Gtk libs" >&5
+echo "configure:6165: checking for Gtk libs" >&5
      d=$with_gtk/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
@@ -6152,7 +6199,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6167: checking for $ac_word" >&5
+echo "configure:6214: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_glib_config'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6192,7 +6239,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6207: checking for $ac_word" >&5
+echo "configure:6254: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_gtk_config'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6233,7 +6280,7 @@ done
   fi
   if test "$have_gtk" = yes; then
     echo $ac_n "checking Gtk version number""... $ac_c" 1>&6
-echo "configure:6248: checking Gtk version number" >&5
+echo "configure:6295: checking Gtk version number" >&5
 if eval "test \"`echo '$''{'ac_cv_gtk_version_string'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6260,7 +6307,7 @@ echo "$ac_t""$ac_cv_gtk_version_string" 1>&6
   fi
   if test "$have_gtk" = yes; then
     echo $ac_n "checking for Gtk includes""... $ac_c" 1>&6
-echo "configure:6275: checking for Gtk includes" >&5
+echo "configure:6322: checking for Gtk includes" >&5
 if eval "test \"`echo '$''{'ac_cv_gtk_config_cflags'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6269,7 +6316,7 @@ fi
 
 echo "$ac_t""$ac_cv_gtk_config_cflags" 1>&6
     echo $ac_n "checking for Gtk libs""... $ac_c" 1>&6
-echo "configure:6284: checking for Gtk libs" >&5
+echo "configure:6331: checking for Gtk libs" >&5
 if eval "test \"`echo '$''{'ac_cv_gtk_config_libs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6287,233 +6334,6 @@ EOF
 fi
 
 
-###############################################################################
-#
-#       Check for -lXaw and -lXaw3d.
-#
-###############################################################################
-
-have_athena=no
-have_athena3d=no
-with_athena_req=unspecified
-# Check whether --with-athena or --without-athena was given.
-if test "${with_athena+set}" = set; then
-  withval="$with_athena"
-  with_athena="$withval"; with_athena_req="$withval"
-else
-  with_athena=yes
-fi
-
-
-
-   case "$with_athena" in
-    yes) ;;
-    no)  ;;
-
-    /*)
-     echo $ac_n "checking for Athena headers""... $ac_c" 1>&6
-echo "configure:6327: checking for Athena headers" >&5
-     d=$with_athena/include
-     if test -d $d; then
-       X_CFLAGS="-I$d $X_CFLAGS"
-       echo "$ac_t""$d" 1>&6
-     else
-       echo "$ac_t""not found ($d: no such directory)" 1>&6
-     fi
-
-     echo $ac_n "checking for Athena libs""... $ac_c" 1>&6
-echo "configure:6337: checking for Athena libs" >&5
-     d=$with_athena/lib
-     if test -d $d; then
-       X_LIBS="-L$d $X_LIBS"
-       echo "$ac_t""$d" 1>&6
-     else
-       echo "$ac_t""not found ($d: no such directory)" 1>&6
-     fi
-
-     # replace the directory string with "yes".
-     with_athena_req="yes"
-     with_athena=$with_athena_req
-     ;;
-
-    *)
-     echo ""
-     echo "error: argument to --with-athena 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 "$with_athena" != yes -a "$with_athena" != no ; then
-  echo "error: must be yes or no: --with-athena=$with_athena"
-  exit 1
-fi
-
-
-if test "$with_athena" = yes; then
-  have_athena=no
-  
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  if test \! -z "$includedir" ; then 
-    CPPFLAGS="$CPPFLAGS -I$includedir"
-  fi
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  ac_safe=`echo "X11/Xaw/Dialog.h" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for X11/Xaw/Dialog.h""... $ac_c" 1>&6
-echo "configure:6378: checking for X11/Xaw/Dialog.h" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 6383 "configure"
-#include "confdefs.h"
-#include <X11/Xaw/Dialog.h>
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6388: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=yes"
-else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=no"
-fi
-rm -f conftest*
-fi
-if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-  have_athena=yes
-else
-  echo "$ac_t""no" 1>&6
-fi
-
-  CPPFLAGS="$ac_save_CPPFLAGS"
-  if test "$have_athena" = yes; then
-    
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  ac_save_LDFLAGS="$LDFLAGS"
-#  ac_save_LIBS="$LIBS"
-
-  if test \! -z "$includedir" ; then 
-    CPPFLAGS="$CPPFLAGS -I$includedir"
-  fi
-  # note: $X_CFLAGS includes $x_includes
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-
-  if test \! -z "$libdir" ; then
-    LDFLAGS="$LDFLAGS -L$libdir"
-  fi
-  # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
-
-  echo $ac_n "checking for Xaw3dComputeTopShadowRGB in -lXaw3d""... $ac_c" 1>&6
-echo "configure:6429: checking for Xaw3dComputeTopShadowRGB in -lXaw3d" >&5
-ac_lib_var=`echo Xaw3d'_'Xaw3dComputeTopShadowRGB | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  ac_save_LIBS="$LIBS"
-LIBS="-lXaw3d -lXt -lXmu -lXext -lX11 $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 6437 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error.  */
-/* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char Xaw3dComputeTopShadowRGB();
-
-int main() {
-Xaw3dComputeTopShadowRGB()
-; return 0; }
-EOF
-if { (eval echo configure:6448: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  eval "ac_cv_lib_$ac_lib_var=yes"
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-  have_athena=yes; have_athena3d=yes
-else
-  echo "$ac_t""no" 1>&6
-true
-fi
-
-  CPPFLAGS="$ac_save_CPPFLAGS"
-  LDFLAGS="$ac_save_LDFLAGS"
-#  LIBS="$ac_save_LIBS"
-  
-  fi
-fi
-
-if test "$have_athena" = yes; then
-  cat >> confdefs.h <<\EOF
-#define HAVE_ATHENA 1
-EOF
-
-  ATHENA_LIBS="-lXaw $ATHENA_LIBS"
-fi
-
-if test "$have_athena3d" = yes; then
-  ATHENA3D_LIBS="-lXaw3d $ATHENA3D_LIBS"
-fi
-
-
-# If we have Athena, check whether it's a version that includes
-# XawViewportSetCoordinates in Viewport.h (R3 (or R4?) don't.)
-if test "$have_athena" = yes ; then
-  echo $ac_n "checking for XawViewportSetCoordinates in Viewport.h""... $ac_c" 1>&6
-echo "configure:6493: checking for XawViewportSetCoordinates in Viewport.h" >&5
-if eval "test \"`echo '$''{'ac_cv_have_XawViewportSetCoordinates'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  ac_cv_have_XawViewportSetCoordinates=no
-                  
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  if test \! -z "$includedir" ; then 
-    CPPFLAGS="$CPPFLAGS -I$includedir"
-  fi
-  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  cat > conftest.$ac_ext <<EOF
-#line 6505 "configure"
-#include "confdefs.h"
-#include <X11/Xaw/Viewport.h>
-EOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "XawViewportSetCoordinates" >/dev/null 2>&1; then
-  rm -rf conftest*
-  ac_cv_have_XawViewportSetCoordinates=yes
-fi
-rm -f conftest*
-
-  CPPFLAGS="$ac_save_CPPFLAGS"
-fi
-
-echo "$ac_t""$ac_cv_have_XawViewportSetCoordinates" 1>&6
-  if test "$ac_cv_have_XawViewportSetCoordinates" = yes ; then
-    cat >> confdefs.h <<\EOF
-#define HAVE_XawViewportSetCoordinates 1
-EOF
-
-  fi
-fi
-
-
 ###############################################################################
 #
 #       Checking whether Motif is really Lesstif.
@@ -6523,7 +6343,7 @@ fi
 have_lesstif=no
 if test "$have_motif" = yes ; then
   echo $ac_n "checking whether Motif is really LessTif""... $ac_c" 1>&6
-echo "configure:6538: checking whether Motif is really LessTif" >&5
+echo "configure:6358: checking whether Motif is really LessTif" >&5
 if eval "test \"`echo '$''{'ac_cv_have_lesstif'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6534,14 +6354,14 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 6549 "configure"
+#line 6369 "configure"
 #include "confdefs.h"
 #include <Xm/Xm.h>
 int main() {
 long vers = LesstifVersion;
 ; return 0; }
 EOF
-if { (eval echo configure:6556: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6376: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_have_lesstif=yes
 else
@@ -6566,7 +6386,7 @@ if test "$have_lesstif" = yes ; then
   ltv=unknown
   echo unknown > conftest-lt
   echo $ac_n "checking LessTif version number""... $ac_c" 1>&6
-echo "configure:6581: checking LessTif version number" >&5
+echo "configure:6401: checking LessTif version number" >&5
 if eval "test \"`echo '$''{'ac_cv_lesstif_version_string'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6581,7 +6401,7 @@ else
                      ac_cv_lesstif_version_string=unknown
 else
   cat > conftest.$ac_ext <<EOF
-#line 6596 "configure"
+#line 6416 "configure"
 #include "confdefs.h"
 #include <stdio.h>
                      #include <Xm/Xm.h>
@@ -6594,7 +6414,7 @@ else
                        exit(0);
                      }
 EOF
-if { (eval echo configure:6609: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ltv=`cat conftest-lt`
                      ac_cv_lesstif_version=`echo $ltv | sed 's/ .*//'`
@@ -6624,7 +6444,7 @@ if test "$have_motif" = yes ; then
   mtv=unknown
   echo unknown > conftest-mt
   echo $ac_n "checking Motif version number""... $ac_c" 1>&6
-echo "configure:6639: checking Motif version number" >&5
+echo "configure:6459: checking Motif version number" >&5
 if eval "test \"`echo '$''{'ac_cv_motif_version_string'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6639,7 +6459,7 @@ else
                      ac_cv_motif_version_string=unknown
 else
   cat > conftest.$ac_ext <<EOF
-#line 6654 "configure"
+#line 6474 "configure"
 #include "confdefs.h"
 #include <stdio.h>
                      #include <Xm/Xm.h>
@@ -6652,7 +6472,7 @@ else
                        exit(0);
                      }
 EOF
-if { (eval echo configure:6667: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   mtv=`cat conftest-mt`
                      ac_cv_motif_version=`echo $mtv | sed 's/ .*//'`
@@ -6696,7 +6516,7 @@ fi
 motif_requires_xpm=no
 if test "$have_motif" = yes ; then
    echo $ac_n "checking whether Motif requires XPM""... $ac_c" 1>&6
-echo "configure:6711: checking whether Motif requires XPM" >&5
+echo "configure:6531: checking whether Motif requires XPM" >&5
    if test "$motif_version" = "unknown" || test "$motif_version" -ge 2000
    then
      motif_requires_xpm=yes
@@ -6735,10 +6555,10 @@ if test "$have_motif" = yes ; then
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for XpQueryExtension in -lXp""... $ac_c" 1>&6
-echo "configure:6753: checking for XpQueryExtension in -lXp" >&5
+echo "configure:6573: checking for XpQueryExtension in -lXp" >&5
 ac_lib_var=`echo Xp'_'XpQueryExtension | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6746,7 +6566,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXp -lX11 -lXext -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6761 "configure"
+#line 6581 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6757,7 +6577,7 @@ int main() {
 XpQueryExtension()
 ; return 0; }
 EOF
-if { (eval echo configure:6772: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6592: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6808,10 +6628,10 @@ if test "$have_motif" = yes ; then
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for _Xsetlocale in -lXintl""... $ac_c" 1>&6
-echo "configure:6826: checking for _Xsetlocale in -lXintl" >&5
+echo "configure:6646: checking for _Xsetlocale in -lXintl" >&5
 ac_lib_var=`echo Xintl'_'_Xsetlocale | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6819,7 +6639,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXintl -lX11 -lXext -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6834 "configure"
+#line 6654 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6830,7 +6650,7 @@ int main() {
 _Xsetlocale()
 ; return 0; }
 EOF
-if { (eval echo configure:6845: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6665: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6863,13 +6683,14 @@ fi
 
 ###############################################################################
 #
-#       Check for -lGL or -lMesa.
+#       Check for -lGL or -lMesaGL.
 #
 ###############################################################################
 
 have_gl=no
 ac_have_mesa_gl=no
 with_gl_req=unspecified
+gl_halfassed=no
 # Check whether --with-gl or --without-gl was given.
 if test "${with_gl+set}" = set; then
   withval="$with_gl"
@@ -6886,7 +6707,7 @@ fi
 
     /*)
      echo $ac_n "checking for GL headers""... $ac_c" 1>&6
-echo "configure:6901: checking for GL headers" >&5
+echo "configure:6722: checking for GL headers" >&5
      d=$with_gl/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
@@ -6896,7 +6717,7 @@ echo "configure:6901: checking for GL headers" >&5
      fi
 
      echo $ac_n "checking for GL libs""... $ac_c" 1>&6
-echo "configure:6911: checking for GL libs" >&5
+echo "configure:6732: checking for GL libs" >&5
      d=$with_gl/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
@@ -6932,17 +6753,17 @@ if test "$with_gl" = yes; then
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "GL/gl.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for GL/gl.h""... $ac_c" 1>&6
-echo "configure:6947: checking for GL/gl.h" >&5
+echo "configure:6768: checking for GL/gl.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6952 "configure"
+#line 6773 "configure"
 #include "confdefs.h"
 #include <GL/gl.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6957: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6778: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -6973,17 +6794,17 @@ fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "GL/glx.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for GL/glx.h""... $ac_c" 1>&6
-echo "configure:6988: checking for GL/glx.h" >&5
+echo "configure:6809: checking for GL/glx.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6993 "configure"
+#line 6814 "configure"
 #include "confdefs.h"
 #include <GL/glx.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6998: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6819: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7011,16 +6832,11 @@ fi
   #
   if test "$have_gl" = yes ; then
 
-    cat >> confdefs.h <<\EOF
-#define HAVE_GL 1
-EOF
-
-
     # We need to know whether it's MesaGL so that we know which libraries
     # to link against.
     #
     echo $ac_n "checking whether GL is really MesaGL""... $ac_c" 1>&6
-echo "configure:7035: checking whether GL is really MesaGL" >&5
+echo "configure:6851: checking whether GL is really MesaGL" >&5
 if eval "test \"`echo '$''{'ac_cv_have_mesa_gl'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7032,7 +6848,7 @@ else
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 7047 "configure"
+#line 6863 "configure"
 #include "confdefs.h"
 #include <GL/glx.h>
 EOF
@@ -7050,103 +6866,103 @@ fi
 echo "$ac_t""$ac_cv_have_mesa_gl" 1>&6
     ac_have_mesa_gl=$ac_cv_have_mesa_gl
  
-    if test "$ac_have_mesa_gl" = no ; then
-      gl_lib_1="GL"
-      GL_LIBS="-lGL -lGLU"
-    else
-      cat >> confdefs.h <<\EOF
-#define HAVE_MESA_GL 1
-EOF
 
-      gl_lib_1="MesaGL"
-      GL_LIBS="-lMesaGL -lMesaGLU"
-    fi
+    gl_lib_1=""
+    GL_LIBS=""
 
 
-    # If it's MesaGL, we'd like to issue a warning if the version number
-    # is less than or equal to 2.6, because that version had a security bug.
+    # Some versions of MesaGL are compiled to require -lpthread.
+    # So if the Mesa headers exist, and -lpthread exists, then always
+    # link -lpthread after the Mesa libs (be they named -lGL or -lMesaGL.)
     #
     if test "$ac_have_mesa_gl" = yes; then
-
-      echo $ac_n "checking MesaGL version number""... $ac_c" 1>&6
-echo "configure:7084: checking MesaGL version number" >&5
-if eval "test \"`echo '$''{'ac_cv_mesagl_version_string'+set}'`\" = set"; then
+      echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
+echo "configure:6892: checking for pthread_create in -lpthread" >&5
+ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 7089 "configure"
+  ac_save_LIBS="$LIBS"
+LIBS="-lpthread  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 6900 "configure"
 #include "confdefs.h"
-#include <GL/gl.h>
-configure: MESA_MAJOR_VERSION MESA_MINOR_VERSION
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
 EOF
+if { (eval echo configure:6911: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
 
-         ac_save_CPPFLAGS="$CPPFLAGS"
-         if test \! -z "$includedir" ; then 
-           CPPFLAGS="$CPPFLAGS -I$includedir"
-         fi
-         CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  GL_LIBS="-lpthread"
+else
+  echo "$ac_t""no" 1>&6
+fi
 
-          # M4 sucks!!
-         
-         mglv=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | sed -n \
-              's/^configure:.*\([0-9][0-9]*\).*\([0-9][0-9]*\).*$/\1.\2/p'`
-         
+    fi
 
-         rm -f conftest.$ac_ext
 
-         CPPFLAGS="$ac_save_CPPFLAGS"
+    # If we have Mesa headers, check to see if we can link against -lMesaGL.
+    # If we don't have Mesa headers, or we don't have -lMesaGL, try -lGL.
+    # Else, warn that GL is busted.  (We have the headers, but no libs.)
+    #
 
-         if test "$mglv" = ""; then
-           ac_mesagl_version=unknown
-           ac_mesagl_version_string=unknown
-         else
-           ac_mesagl_version_string=$mglv
-           maj=`echo $mglv | sed -n 's/\..*//p'`
-           min=`echo $mglv | sed -n 's/.*\.//p'`
-           ac_mesagl_version=`echo "$maj * 1000 + $min" | bc`
-           if test -z "$ac_mesagl_version"; then
-             ac_mesagl_version=unknown
-             ac_mesagl_version_string=unknown
-           fi
-         fi
-         ac_cv_mesagl_version=$ac_mesagl_version
-         ac_cv_mesagl_version_string=$ac_mesagl_version_string
+    if test "$ac_have_mesa_gl" = yes ; then
       
-fi
-
-echo "$ac_t""$ac_cv_mesagl_version_string" 1>&6
-      ac_mesagl_version=$ac_cv_mesagl_version
-      ac_mesagl_version_string=$ac_cv_mesagl_version_string
-    fi
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  ac_save_LDFLAGS="$LDFLAGS"
+#  ac_save_LIBS="$LIBS"
 
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  # note: $X_CFLAGS includes $x_includes
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 
-    # If it's MesaGL, check to see if it requires -lpthread.
-    #
-    have_pthread=no
-    mesa_requires_pthread=no
-    if test "$ac_have_mesa_gl" = yes; then
+  if test \! -z "$libdir" ; then
+    LDFLAGS="$LDFLAGS -L$libdir"
+  fi
+  # note: $X_LIBS includes $x_libraries
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
-      echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:7142: checking for pthread_create in -lpthread" >&5
-ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
+  echo $ac_n "checking for glXCreateContext in -lMesaGL""... $ac_c" 1>&6
+echo "configure:6958: checking for glXCreateContext in -lMesaGL" >&5
+ac_lib_var=`echo MesaGL'_'glXCreateContext | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
-LIBS="-lpthread  $LIBS"
+LIBS="-lMesaGL -lMesaGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7150 "configure"
+#line 6966 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
-char pthread_create();
+char glXCreateContext();
 
 int main() {
-pthread_create()
+glXCreateContext()
 ; return 0; }
 EOF
-if { (eval echo configure:7161: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6977: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7161,13 +6977,20 @@ LIBS="$ac_save_LIBS"
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-  have_pthread=yes
+  gl_lib_1="MesaGL"
+                      GL_LIBS="-lMesaGL -lMesaGLU $GL_LIBS"
 else
   echo "$ac_t""no" 1>&6
 fi
 
-      if test "$have_pthread" = yes; then
-        
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  LDFLAGS="$ac_save_LDFLAGS"
+#  LIBS="$ac_save_LIBS"
+  
+    fi
+
+    if test "$gl_lib_1" = "" ; then
+      
   ac_save_CPPFLAGS="$CPPFLAGS"
   ac_save_LDFLAGS="$LDFLAGS"
 #  ac_save_LIBS="$LIBS"
@@ -7182,29 +7005,29 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
-  echo $ac_n "checking for gl_get_thread_context in -l$gl_lib_1""... $ac_c" 1>&6
-echo "configure:7200: checking for gl_get_thread_context in -l$gl_lib_1" >&5
-ac_lib_var=`echo $gl_lib_1'_'gl_get_thread_context | sed 'y%./+-%__p_%'`
+  echo $ac_n "checking for glXCreateContext in -lGL""... $ac_c" 1>&6
+echo "configure:7023: checking for glXCreateContext in -lGL" >&5
+ac_lib_var=`echo GL'_'glXCreateContext | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
-LIBS="-l$gl_lib_1 $GL_LIBS -lpthread -lX11 -lXext -lm $LIBS"
+LIBS="-lGL -lGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7208 "configure"
+#line 7031 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
-char gl_get_thread_context();
+char glXCreateContext();
 
 int main() {
-gl_get_thread_context()
+glXCreateContext()
 ; return 0; }
 EOF
-if { (eval echo configure:7219: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7042: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7219,22 +7042,99 @@ LIBS="$ac_save_LIBS"
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-  mesa_requires_pthread=yes
+  gl_lib_1="GL"
+                      GL_LIBS="-lGL -lGLU $GL_LIBS"
 else
   echo "$ac_t""no" 1>&6
-true
 fi
 
   CPPFLAGS="$ac_save_CPPFLAGS"
   LDFLAGS="$ac_save_LDFLAGS"
 #  LIBS="$ac_save_LIBS"
   
-      fi
+    fi
+
+    if test "$gl_lib_1" = "" ; then
+      # we have headers, but no libs -- bail.
+      have_gl=no
+      ac_have_mesa_gl=no
+      gl_halfassed=yes
+    else
+      # linking works -- we can build the GL hacks.
+      cat >> confdefs.h <<\EOF
+#define HAVE_GL 1
+EOF
+
+      if test "$ac_have_mesa_gl" = yes ; then
+        cat >> confdefs.h <<\EOF
+#define HAVE_MESA_GL 1
+EOF
 
-      if test "$mesa_requires_pthread" = yes; then
-        GL_LIBS="$GL_LIBS -lpthread"
       fi
     fi
+  fi
+
+
+  # Now that we know we have GL headers and libs, do some more GL testing.
+  #
+
+  if test "$have_gl" = yes ; then
+    # If it's MesaGL, we'd like to issue a warning if the version number
+    # is less than or equal to 2.6, because that version had a security bug.
+    #
+    if test "$ac_have_mesa_gl" = yes; then
+
+      echo $ac_n "checking MesaGL version number""... $ac_c" 1>&6
+echo "configure:7100: checking MesaGL version number" >&5
+if eval "test \"`echo '$''{'ac_cv_mesagl_version_string'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 7105 "configure"
+#include "confdefs.h"
+#include <GL/gl.h>
+configure: MESA_MAJOR_VERSION MESA_MINOR_VERSION
+EOF
+
+         ac_save_CPPFLAGS="$CPPFLAGS"
+         if test \! -z "$includedir" ; then 
+           CPPFLAGS="$CPPFLAGS -I$includedir"
+         fi
+         CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+          # M4 sucks!!
+         
+         mglv=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | sed -n \
+              's/^configure:.*\([0-9][0-9]*\).*\([0-9][0-9]*\).*$/\1.\2/p'`
+         
+
+         rm -f conftest.$ac_ext
+
+         CPPFLAGS="$ac_save_CPPFLAGS"
+
+         if test "$mglv" = ""; then
+           ac_mesagl_version=unknown
+           ac_mesagl_version_string=unknown
+         else
+           ac_mesagl_version_string=$mglv
+           maj=`echo $mglv | sed -n 's/\..*//p'`
+           min=`echo $mglv | sed -n 's/.*\.//p'`
+           ac_mesagl_version=`echo "$maj * 1000 + $min" | bc`
+           if test -z "$ac_mesagl_version"; then
+             ac_mesagl_version=unknown
+             ac_mesagl_version_string=unknown
+           fi
+         fi
+         ac_cv_mesagl_version=$ac_mesagl_version
+         ac_cv_mesagl_version_string=$ac_mesagl_version_string
+      
+fi
+
+echo "$ac_t""$ac_cv_mesagl_version_string" 1>&6
+      ac_mesagl_version=$ac_cv_mesagl_version
+      ac_mesagl_version_string=$ac_cv_mesagl_version_string
+    fi
+
 
     # Check for OpenGL 1.1 features.
     #
@@ -7253,10 +7153,10 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for glBindTexture in -l$gl_lib_1""... $ac_c" 1>&6
-echo "configure:7271: checking for glBindTexture in -l$gl_lib_1" >&5
+echo "configure:7171: checking for glBindTexture in -l$gl_lib_1" >&5
 ac_lib_var=`echo $gl_lib_1'_'glBindTexture | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7264,7 +7164,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$gl_lib_1 $GL_LIBS -lX11 -lXext -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7279 "configure"
+#line 7179 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7275,7 +7175,7 @@ int main() {
 glBindTexture()
 ; return 0; }
 EOF
-if { (eval echo configure:7290: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7190: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7309,7 +7209,7 @@ fi
     # See comments in utils/visual-gl.c for why this is sometimes necessary.
     #
     echo $ac_n "checking whether drastic GL measures must be taken""... $ac_c" 1>&6
-echo "configure:7324: checking whether drastic GL measures must be taken" >&5
+echo "configure:7224: checking whether drastic GL measures must be taken" >&5
     case "$host" in
       *-sgi*)
         echo "$ac_t""yes -- hello, SGI." 1>&6
@@ -7337,6 +7237,313 @@ elif test "$with_gl" != no; then
 fi
 
 
+###############################################################################
+#
+#       Check for -lgle.
+#
+###############################################################################
+
+have_gle=no
+with_gle_req=unspecified
+gle_halfassed=no
+# Check whether --with-gle or --without-gle was given.
+if test "${with_gle+set}" = set; then
+  withval="$with_gle"
+  with_gle="$withval"; with_gle_req="$withval"
+else
+  with_gle=yes
+fi
+
+
+
+   case "$with_gle" in
+    yes) ;;
+    no)  ;;
+
+    /*)
+     echo $ac_n "checking for GLE headers""... $ac_c" 1>&6
+echo "configure:7277: checking for GLE headers" >&5
+     d=$with_gle/include
+     if test -d $d; then
+       X_CFLAGS="-I$d $X_CFLAGS"
+       echo "$ac_t""$d" 1>&6
+     else
+       echo "$ac_t""not found ($d: no such directory)" 1>&6
+     fi
+
+     echo $ac_n "checking for GLE libs""... $ac_c" 1>&6
+echo "configure:7287: checking for GLE libs" >&5
+     d=$with_gle/lib
+     if test -d $d; then
+       X_LIBS="-L$d $X_LIBS"
+       echo "$ac_t""$d" 1>&6
+     else
+       echo "$ac_t""not found ($d: no such directory)" 1>&6
+     fi
+
+     # replace the directory string with "yes".
+     with_gle_req="yes"
+     with_gle=$with_gle_req
+     ;;
+
+    *)
+     echo ""
+     echo "error: argument to --with-gle 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
+  
+
+GLE_LIBS=""
+
+if test "$with_gle" = yes; then
+
+  
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  ac_safe=`echo "GL/gutil.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for GL/gutil.h""... $ac_c" 1>&6
+echo "configure:7323: checking for GL/gutil.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 7328 "configure"
+#include "confdefs.h"
+#include <GL/gutil.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:7333: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_gle=yes
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  if test "$have_gle" = yes ; then
+    
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+  ac_safe=`echo "GL/tube.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for GL/tube.h""... $ac_c" 1>&6
+echo "configure:7364: checking for GL/tube.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 7369 "configure"
+#include "confdefs.h"
+#include <GL/tube.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:7374: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_gle=yes
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  fi
+
+  if test "$have_gle" = yes ; then
+    have_gle=no
+    gle_halfassed=yes
+    
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  ac_save_LDFLAGS="$LDFLAGS"
+#  ac_save_LIBS="$LIBS"
+
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  # note: $X_CFLAGS includes $x_includes
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+  if test \! -z "$libdir" ; then
+    LDFLAGS="$LDFLAGS -L$libdir"
+  fi
+  # note: $X_LIBS includes $x_libraries
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+  echo $ac_n "checking for gleCreateGC in -lgle""... $ac_c" 1>&6
+echo "configure:7419: checking for gleCreateGC in -lgle" >&5
+ac_lib_var=`echo gle'_'gleCreateGC | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lgle $GL_LIBS -lX11 -lXext -lm $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 7427 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char gleCreateGC();
+
+int main() {
+gleCreateGC()
+; return 0; }
+EOF
+if { (eval echo configure:7438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_gle=yes; gle_halfassed=no; GLE_LIBS="-lgle"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  LDFLAGS="$ac_save_LDFLAGS"
+#  LIBS="$ac_save_LIBS"
+  
+  fi
+  if test "$have_gle" = yes ; then
+    have_gle=no
+    gle_halfassed=yes
+
+    # sometimes the libmatrix stuff is included in libgle.  look there first.
+#
+# I don't get it.  For some reason, this test passes on SGI, as if
+# uview_direction_d() was in libgle -- but it's not, it's in libmatrix.
+# Yet the link is succeeding.  Why???
+#
+#    AC_CHECK_X_LIB(gle, uview_direction_d, 
+#                   [have_gle=yes; gle_halfassed=no],
+#                   [], $GL_LIBS -lX11 -lXext -lm)
+
+    # if it wasn't in libgle, then look in libmatrix.
+    if test "$have_gle" = no ; then
+      
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  ac_save_LDFLAGS="$LDFLAGS"
+#  ac_save_LIBS="$LIBS"
+
+  if test \! -z "$includedir" ; then 
+    CPPFLAGS="$CPPFLAGS -I$includedir"
+  fi
+  # note: $X_CFLAGS includes $x_includes
+  CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+  if test \! -z "$libdir" ; then
+    LDFLAGS="$LDFLAGS -L$libdir"
+  fi
+  # note: $X_LIBS includes $x_libraries
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+  echo $ac_n "checking for uview_direction_d in -lmatrix""... $ac_c" 1>&6
+echo "configure:7497: checking for uview_direction_d in -lmatrix" >&5
+ac_lib_var=`echo matrix'_'uview_direction_d | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lmatrix $GL_LIBS -lX11 -lXext -lm $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 7505 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char uview_direction_d();
+
+int main() {
+uview_direction_d()
+; return 0; }
+EOF
+if { (eval echo configure:7516: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  have_gle=yes; gle_halfassed=no;
+                      GLE_LIBS="$GLE_LIBS -lmatrix"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  LDFLAGS="$ac_save_LDFLAGS"
+#  LIBS="$ac_save_LIBS"
+  
+    fi
+  fi
+
+  if test "$have_gle" = yes ; then
+    cat >> confdefs.h <<\EOF
+#define HAVE_GLE 1
+EOF
+
+  fi
+
+elif test "$with_gle" != no; then
+  echo "error: must be yes or no: --with-gle=$with_gle"
+  exit 1
+
+fi
+
+
+
 ###############################################################################
 #
 #       Check for -lXpm.
@@ -7361,7 +7568,7 @@ fi
 
     /*)
      echo $ac_n "checking for XPM headers""... $ac_c" 1>&6
-echo "configure:7376: checking for XPM headers" >&5
+echo "configure:7583: checking for XPM headers" >&5
      d=$with_xpm/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
@@ -7371,7 +7578,7 @@ echo "configure:7376: checking for XPM headers" >&5
      fi
 
      echo $ac_n "checking for XPM libs""... $ac_c" 1>&6
-echo "configure:7386: checking for XPM libs" >&5
+echo "configure:7593: checking for XPM libs" >&5
      d=$with_xpm/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
@@ -7404,17 +7611,17 @@ if test "$with_xpm" = yes; then
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "X11/xpm.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/xpm.h""... $ac_c" 1>&6
-echo "configure:7419: checking for X11/xpm.h" >&5
+echo "configure:7626: checking for X11/xpm.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7424 "configure"
+#line 7631 "configure"
 #include "confdefs.h"
 #include <X11/xpm.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7429: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7636: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7480,7 +7687,7 @@ fi
 
     /*)
      echo $ac_n "checking for XSHM headers""... $ac_c" 1>&6
-echo "configure:7495: checking for XSHM headers" >&5
+echo "configure:7702: checking for XSHM headers" >&5
      d=$with_xshm/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
@@ -7490,7 +7697,7 @@ echo "configure:7495: checking for XSHM headers" >&5
      fi
 
      echo $ac_n "checking for XSHM libs""... $ac_c" 1>&6
-echo "configure:7505: checking for XSHM libs" >&5
+echo "configure:7712: checking for XSHM libs" >&5
      d=$with_xshm/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
@@ -7525,17 +7732,17 @@ if test "$with_xshm" = yes; then
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "X11/extensions/XShm.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/extensions/XShm.h""... $ac_c" 1>&6
-echo "configure:7540: checking for X11/extensions/XShm.h" >&5
+echo "configure:7747: checking for X11/extensions/XShm.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7545 "configure"
+#line 7752 "configure"
 #include "confdefs.h"
 #include <X11/extensions/XShm.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7550: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7757: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7569,17 +7776,17 @@ fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "sys/ipc.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/ipc.h""... $ac_c" 1>&6
-echo "configure:7584: checking for sys/ipc.h" >&5
+echo "configure:7791: checking for sys/ipc.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7589 "configure"
+#line 7796 "configure"
 #include "confdefs.h"
 #include <sys/ipc.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7594: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7801: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7614,17 +7821,17 @@ fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "sys/shm.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/shm.h""... $ac_c" 1>&6
-echo "configure:7629: checking for sys/shm.h" >&5
+echo "configure:7836: checking for sys/shm.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7634 "configure"
+#line 7841 "configure"
 #include "confdefs.h"
 #include <sys/shm.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7639: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7846: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7656,8 +7863,9 @@ fi
   #
   case "$host" in
     *-aix*)
-      have_xshm=no
-      
+      if  `uname -v` -eq 3 ; then
+        have_xshm=no
+        
   ac_save_CPPFLAGS="$CPPFLAGS"
   ac_save_LDFLAGS="$LDFLAGS"
 #  ac_save_LIBS="$LIBS"
@@ -7672,10 +7880,10 @@ fi
     LDFLAGS="$LDFLAGS -L$libdir"
   fi
   # note: $X_LIBS includes $x_libraries
-  LDFLAGS="$LDFLAGS $X_LIBS"
+  LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
 
   echo $ac_n "checking for XShmQueryExtension in -lXextSam""... $ac_c" 1>&6
-echo "configure:7690: checking for XShmQueryExtension in -lXextSam" >&5
+echo "configure:7898: checking for XShmQueryExtension in -lXextSam" >&5
 ac_lib_var=`echo XextSam'_'XShmQueryExtension | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7683,7 +7891,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXextSam -lX11 -lXext -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7698 "configure"
+#line 7906 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7694,7 +7902,7 @@ int main() {
 XShmQueryExtension()
 ; return 0; }
 EOF
-if { (eval echo configure:7709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7917: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7719,6 +7927,7 @@ fi
   LDFLAGS="$ac_save_LDFLAGS"
 #  LIBS="$ac_save_LIBS"
   
+      fi
     ;;
   esac
 
@@ -7760,7 +7969,7 @@ fi
 
     /*)
      echo $ac_n "checking for DOUBLE-BUFFER headers""... $ac_c" 1>&6
-echo "configure:7775: checking for DOUBLE-BUFFER headers" >&5
+echo "configure:7984: checking for DOUBLE-BUFFER headers" >&5
      d=$with_xdbe/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
@@ -7770,7 +7979,7 @@ echo "configure:7775: checking for DOUBLE-BUFFER headers" >&5
      fi
 
      echo $ac_n "checking for DOUBLE-BUFFER libs""... $ac_c" 1>&6
-echo "configure:7785: checking for DOUBLE-BUFFER libs" >&5
+echo "configure:7994: checking for DOUBLE-BUFFER libs" >&5
      d=$with_xdbe/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
@@ -7804,17 +8013,17 @@ if test "$with_xdbe" = yes; then
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "X11/extensions/Xdbe.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/extensions/Xdbe.h""... $ac_c" 1>&6
-echo "configure:7819: checking for X11/extensions/Xdbe.h" >&5
+echo "configure:8028: checking for X11/extensions/Xdbe.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7824 "configure"
+#line 8033 "configure"
 #include "confdefs.h"
 #include <X11/extensions/Xdbe.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7829: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8038: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7877,7 +8086,7 @@ fi
 
     /*)
      echo $ac_n "checking for XReadDisplay headers""... $ac_c" 1>&6
-echo "configure:7892: checking for XReadDisplay headers" >&5
+echo "configure:8101: checking for XReadDisplay headers" >&5
      d=$with_readdisplay/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
@@ -7887,7 +8096,7 @@ echo "configure:7892: checking for XReadDisplay headers" >&5
      fi
 
      echo $ac_n "checking for XReadDisplay libs""... $ac_c" 1>&6
-echo "configure:7902: checking for XReadDisplay libs" >&5
+echo "configure:8111: checking for XReadDisplay libs" >&5
      d=$with_readdisplay/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
@@ -7920,17 +8129,17 @@ if test "$with_readdisplay" = yes; then
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "X11/extensions/readdisplay.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/extensions/readdisplay.h""... $ac_c" 1>&6
-echo "configure:7935: checking for X11/extensions/readdisplay.h" >&5
+echo "configure:8144: checking for X11/extensions/readdisplay.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7940 "configure"
+#line 8149 "configure"
 #include "confdefs.h"
 #include <X11/extensions/readdisplay.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7945: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8154: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7985,7 +8194,7 @@ fi
 
     /*)
      echo $ac_n "checking for Iris Video headers""... $ac_c" 1>&6
-echo "configure:8000: checking for Iris Video headers" >&5
+echo "configure:8209: checking for Iris Video headers" >&5
      d=$with_sgivideo/include
      if test -d $d; then
        X_CFLAGS="-I$d $X_CFLAGS"
@@ -7995,7 +8204,7 @@ echo "configure:8000: checking for Iris Video headers" >&5
      fi
 
      echo $ac_n "checking for Iris Video libs""... $ac_c" 1>&6
-echo "configure:8010: checking for Iris Video libs" >&5
+echo "configure:8219: checking for Iris Video libs" >&5
      d=$with_sgivideo/lib
      if test -d $d; then
        X_LIBS="-L$d $X_LIBS"
@@ -8028,17 +8237,17 @@ if test "$with_sgivideo" = yes; then
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
   ac_safe=`echo "dmedia/vl.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dmedia/vl.h""... $ac_c" 1>&6
-echo "configure:8043: checking for dmedia/vl.h" >&5
+echo "configure:8252: checking for dmedia/vl.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8048 "configure"
+#line 8257 "configure"
 #include "confdefs.h"
 #include <dmedia/vl.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8053: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8262: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8063,7 +8272,7 @@ fi
   if test "$have_sgivideo" = yes; then
     have_sgivideo=no
     echo $ac_n "checking for vlOpenVideo in -lvl""... $ac_c" 1>&6
-echo "configure:8078: checking for vlOpenVideo in -lvl" >&5
+echo "configure:8287: checking for vlOpenVideo in -lvl" >&5
 ac_lib_var=`echo vl'_'vlOpenVideo | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8071,7 +8280,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lvl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8086 "configure"
+#line 8295 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -8082,7 +8291,7 @@ int main() {
 vlOpenVideo()
 ; return 0; }
 EOF
-if { (eval echo configure:8097: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8306: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -8153,7 +8362,7 @@ if test -n "$with_zippy_req" ; then
   case "$with_zippy_req" in
     /*)
       echo $ac_n "checking for $with_zippy_req""... $ac_c" 1>&6
-echo "configure:8168: checking for $with_zippy_req" >&5
+echo "configure:8377: checking for $with_zippy_req" >&5
       if test -x "$with_zippy_req" ; then
         echo "$ac_t""yes" 1>&6
       else
@@ -8167,7 +8376,7 @@ echo "configure:8168: checking for $with_zippy_req" >&5
       # Extract the first word of "$with_zippy_req", so it can be a program name with args.
 set dummy $with_zippy_req; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:8182: checking for $ac_word" >&5
+echo "configure:8391: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_zip2'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8217,7 +8426,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:8232: checking for $ac_word" >&5
+echo "configure:8441: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_emacs_exe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8251,7 +8460,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:8266: checking for $ac_word" >&5
+echo "configure:8475: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_xemacs_exe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8286,7 +8495,7 @@ done
 
   if test -n "$emacs_exe" ; then
     echo $ac_n "checking for emacs yow""... $ac_c" 1>&6
-echo "configure:8301: checking for emacs yow" >&5
+echo "configure:8510: checking for emacs yow" >&5
     #
     # get emacs to tell us where the libexec directory is.
     #
@@ -8308,7 +8517,7 @@ echo "configure:8301: checking for emacs yow" >&5
 
   if test -z "$ac_cv_zippy_program" ; then
     echo $ac_n "checking for xemacs yow""... $ac_c" 1>&6
-echo "configure:8323: checking for xemacs yow" >&5
+echo "configure:8532: checking for xemacs yow" >&5
     if test -n "$xemacs_exe" ; then
       #
       # get xemacs to tell us where the libexec directory is.
@@ -8367,7 +8576,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:8382: checking for $ac_word" >&5
+echo "configure:8591: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_fortune'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8403,7 +8612,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:8418: checking for $ac_word" >&5
+echo "configure:8627: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_fortune'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8474,23 +8683,16 @@ if test \! -z "$libdir" ; then
 fi
 
 
+PREFERRED_DEMO_PROGRAM=xscreensaver-demo-Xm
 ALL_DEMO_PROGRAMS=
-if test "$have_athena3d" = yes; then
-  PREFERRED_DEMO_PROGRAM=xscreensaver-demo-Xaw3d
-  ALL_DEMO_PROGRAMS="$PREFERRED_DEMO_PROGRAM $ALL_DEMO_PROGRAMS"
-fi
-if test "$have_athena" = yes; then
-  PREFERRED_DEMO_PROGRAM=xscreensaver-demo-Xaw
+if test "$have_motif" = yes; then
+  PREFERRED_DEMO_PROGRAM=xscreensaver-demo-Xm
   ALL_DEMO_PROGRAMS="$PREFERRED_DEMO_PROGRAM $ALL_DEMO_PROGRAMS"
 fi
 if test "$have_gtk" = yes; then
   PREFERRED_DEMO_PROGRAM=xscreensaver-demo-Gtk
   ALL_DEMO_PROGRAMS="$PREFERRED_DEMO_PROGRAM $ALL_DEMO_PROGRAMS"
 fi
-if test "$have_motif" = yes; then
-  PREFERRED_DEMO_PROGRAM=xscreensaver-demo-Xm
-  ALL_DEMO_PROGRAMS="$PREFERRED_DEMO_PROGRAM $ALL_DEMO_PROGRAMS"
-fi
 
 
 if test "$have_kerberos" = yes; then
@@ -8510,8 +8712,8 @@ if test "$enable_locking" = yes; then
   LOCK_SRCS='$(LOCK_SRCS_1) $(PASSWD_SRCS)'
   LOCK_OBJS='$(LOCK_OBJS_1) $(PASSWD_OBJS)'
 else
-  LOCK_SRCS=''
-  LOCK_OBJS=''
+  LOCK_SRCS='$(NOLOCK_SRCS_1)'
+  LOCK_OBJS='$(NOLOCK_OBJS_1)'
 fi
 
 if test "$need_setuid" = yes; then
@@ -8528,7 +8730,15 @@ if test "$have_gl" = yes; then
   GL_MEN='$(GL_MEN)'
   GL_KLUDGE="${tab}  "
 else
-  GL_KLUDGE="  -${tab}  "
+  GL_KLUDGE="-${tab}  "
+fi
+
+if test "$have_gle" = yes; then
+  GLE_EXES='$(GLE_EXES)'
+  GLE_MEN='$(GLE_MEN)'
+  GLE_KLUDGE="${tab}   "
+else
+  GLE_KLUDGE="-${tab}   "
 fi
 
 
@@ -8569,6 +8779,8 @@ fi
 
 
 
+
+
 
 
 
@@ -8746,11 +8958,10 @@ s%@ALL_DEMO_PROGRAMS@%$ALL_DEMO_PROGRAMS%g
 s%@SAVER_LIBS@%$SAVER_LIBS%g
 s%@MOTIF_LIBS@%$MOTIF_LIBS%g
 s%@GTK_LIBS@%$GTK_LIBS%g
-s%@ATHENA_LIBS@%$ATHENA_LIBS%g
-s%@ATHENA3D_LIBS@%$ATHENA3D_LIBS%g
 s%@HACK_LIBS@%$HACK_LIBS%g
 s%@XPM_LIBS@%$XPM_LIBS%g
 s%@GL_LIBS@%$GL_LIBS%g
+s%@GLE_LIBS@%$GLE_LIBS%g
 s%@PASSWD_LIBS@%$PASSWD_LIBS%g
 s%@INSTALL_SETUID@%$INSTALL_SETUID%g
 s%@INSTALL_DIRS@%$INSTALL_DIRS%g
@@ -8770,6 +8981,9 @@ s%@LOCK_OBJS@%$LOCK_OBJS%g
 s%@GL_EXES@%$GL_EXES%g
 s%@GL_MEN@%$GL_MEN%g
 s%@GL_KLUDGE@%$GL_KLUDGE%g
+s%@GLE_EXES@%$GLE_EXES%g
+s%@GLE_MEN@%$GLE_MEN%g
+s%@GLE_KLUDGE@%$GLE_KLUDGE%g
 s%@HACKDIR@%$HACKDIR%g
 s%@APPDEFAULTS@%$APPDEFAULTS%g
 s%@DEPEND@%$DEPEND%g
@@ -9090,17 +9304,13 @@ if test "$with_proc_interrupts_req" = yes -a "$have_proc_interrupts" = no; then
 fi
 
 
-if test "$have_motif" = no -a "$have_gtk" = no -a "$have_athena" = no ; then
-  warnL "None of Motif, Gtk, or Athena widgets seem to be available;"
+if test "$have_motif" = no -a "$have_gtk" = no; then
+  warnL "Neither Motif nor Gtk seem to be available;"
   warn2 "the \`xscreensaver-demo' program requires one of these."
 
 elif test "$with_motif_req" = yes -a "$have_motif" = no ; then
   warnL "Use of Motif was requested, but it wasn't found;"
-  if test "$have_gtk" = yes; then
-    warn2 "Gtk will be used instead."
-  else
-    warn2 "Athena will be used instead."
-  fi
+  warn2 "Gtk will be used instead."
 
 elif test "$jurassic_gtk" = yes ; then
 
@@ -9115,29 +9325,12 @@ elif test "$jurassic_gtk" = yes ; then
     warnL "Gtk was found on this system, but it is version $v;"
   fi
 
-  if test "$have_motif" = yes; then
-    which="Motif"
-  else
-    which="Athena"
-  fi
-
-  warn2 "Gtk $pref_gtk or newer is required.  $which will be used instead."
+  warn2 "Gtk $pref_gtk or newer is required.  Motif will be used instead."
 
 elif test "$with_gtk_req" = yes -a "$have_gtk" = no ; then
   warnL "Use of Gtk was requested, but it wasn't found;"
-  if test "$have_motif" = yes; then
-    warn2 "Motif will be used instead."
-  else
-    warn2 "Athena will be used instead."
-  fi
+  warn2 "Motif will be used instead."
 
-elif test "$with_athena_req" = yes -a "$have_athena" = no ; then
-  warnL "Use of Athena was requested, but it wasn't found;"
-  if test "$have_gtk" = yes; then
-    warn2 "Gtk will be used instead."
-  else
-    warn2 "Motif will be used instead."
-  fi
 fi
 
 
@@ -9159,15 +9352,6 @@ if test "$have_motif" = yes -a "$have_lesstif" = yes ; then
   fi
 fi
 
-if test "$have_athena" = yes -a "$have_motif" = no -a "$have_gtk" = no; then
-    warnL "Athena widgets are being used instead of Motif or Gtk."
-    warn2 "The \`xscreensaver-demo' program looks much better"
-    warn2 "with Motif or Gtk.  Wouldn't you rather be using Motif?"
-    warn2 "Motif is shipped by every commercial Unix vendor,"
-    warn2 "and there is a free implementation available as"
-    warn2 "well: see <http://www.lesstif.org/>.  Gtk is shipped"
-    warn2 "with most Linux and BSD distributions."
-fi
 
 
 if test "$have_xpm" = no ; then
@@ -9203,7 +9387,6 @@ if test "$have_gl" = yes -a "$ac_have_mesa_gl" = yes ; then
   fi
 fi
 
-
 if test "$have_gl" = no ; then
   if test "$with_gl_req" = yes ; then
     warnL 'Use of GL was requested, but it was not found.'
@@ -9213,6 +9396,14 @@ if test "$have_gl" = no ; then
     noteL 'The OpenGL 3D library was not found.'
   fi
 
+  if test "$gl_halfassed" = yes ; then
+    echo ''
+    warn2 'More specifically, we found the headers, but not the'
+    warn2 'libraries; so either GL is half-installed on this'
+    warn2 "system, or something else went wrong.  The \`config.log'"
+    warn2 'file might contain some clues.'
+  fi
+
   echo ''
   warn2 'Those demos which use 3D will not be built or installed.'
   warn2 'You might want to consider installing OpenGL and'
@@ -9224,6 +9415,39 @@ if test "$have_gl" = no ; then
 
 fi
 
+
+if test "$have_gl" = yes -a "$have_gle" = no ; then
+  if test "$with_gle_req" = yes ; then
+    noteL 'Use of the GLE (GL Extrusion) library was requested, but'
+    warn2 'it was not found (though the OpenGL library was found, and'
+    warn2 'is being used.)'
+  elif test "$with_gle_req" = no ; then
+    noteL 'The OpenGL Library is being used, but the GLE (GL Extrusion)'
+    warn2 'library is not.'
+  else
+    noteL 'The OpenGL Library was found, but the GLE (GL Extrusion)'
+    warn2 'was not.'
+  fi
+
+  if test "$gle_halfassed" = yes ; then
+    echo ''
+    warn2 'More specifically, we found the headers, but not the'
+    warn2 'libraries; so either GLE is half-installed on this'
+    warn2 "system, or something else went wrong.  The \`config.log'"
+    warn2 'file might contain some clues.'
+  fi
+
+  echo ''
+  warn2 'Some of the OpenGL (3D) demos (those that depend on GLE)'
+  warn2 'will not be built or installed.  You might want to consider'
+  warn2 'installing GLE and re-running configure.  (Remember to delete'
+  warn2 'the config.cache file first.)  You can find the GLE library'
+  warn2 'at <http://www.linas.org/gle/>.  For general OpenGL info,'
+  warn2 'see <http://www.opengl.org/>.'
+
+fi
+
+
 if test "$with_readdisplay_req" = yes -a "$have_readdisplay" = no ; then
   warn 'Use of XReadDisplay was requested, but it was not found.'
 fi
@@ -9346,7 +9570,7 @@ if test "$do_dir_warning" = yes; then
   echo '      "xscreensaver-demo", and "xscreensaver-command" executables'
   echo "      will be installed in ${bindir}."
   echo ""
-  echo "      The various graphics demos (90+ different executables) will"
+  echo "      The various graphics demos (100+ different executables) will"
   echo "      also be installed in ${HACKDIR}."
   echo ""
   echo "      If you would prefer the demos to be installed elsewhere"