http://packetstormsecurity.org/UNIX/admin/xscreensaver-4.03.tar.gz
[xscreensaver] / configure.in
index 335afa2f57b60e219ed7c881b64b63c61febaa7b..ae0e4930b02784d5a353e2d29cb396b1db07aa08 100644 (file)
@@ -1,6 +1,7 @@
 # configure.in --- xscreensaver, Copyright (c) 1997-2000 Jamie Zawinski.
 #
 
+AC_PREREQ(2.53)
 AC_INIT(driver/subprocs.c)
 AC_CONFIG_HEADER(config.h)
 
@@ -23,7 +24,6 @@ for d in driver utils hacks hacks/glx ; do
   fi
 done
 
-
 ###############################################################################
 #
 #       Function to figure out how to run the compiler.
@@ -98,7 +98,7 @@ AC_DEFUN(AC_GCC_ACCEPTS_STD,
  [if test -n "$GCC"; then
    AC_CACHE_CHECK([whether gcc accepts -std],
      ac_cv_gcc_accepts_std,
-    [if ( gcc -E -std=c89 - </dev/null 2>&1 >/dev/null | \
+    [if ( gcc -E -std=c89 - </dev/null >/dev/null 2>&1 | \
           grep unrecognized >/dev/null ); then
        ac_cv_gcc_accepts_std=no
      else
@@ -152,12 +152,12 @@ AC_DEFUN(AC_PROG_INSTALL_DIRS,
     [ac_cv_install_d_creates_dirs=no
      rm -rf conftestdir
      if mkdir conftestdir; then
-       cd conftestdir >&-
-       ${INSTALL} -d `pwd`/dir1/dir2 >&- 2>&-
+       cd conftestdir 2>/dev/null
+       ${INSTALL} -d `pwd`/dir1/dir2 >/dev/null 2>&1
        if test -d dir1/dir2/. ; then
          ac_cv_install_d_creates_dirs=yes
        fi
-       cd .. >&-
+       cd .. 2>/dev/null
        rm -rf conftestdir
      fi
     ])
@@ -168,12 +168,12 @@ AC_DEFUN(AC_PROG_INSTALL_DIRS,
       [ac_cv_mkdir_p_creates_dirs=no
        rm -rf conftestdir
        if mkdir conftestdir; then
-         cd conftestdir >&-
-         mkdir -p dir1/dir2 >&- 2>&-
+         cd conftestdir 2>/dev/null
+         mkdir -p dir1/dir2 >/dev/null 2>&1
          if test -d dir1/dir2/. ; then
            ac_cv_mkdir_p_creates_dirs=yes
          fi
-         cd .. >&-
+         cd .. 2>/dev/null
          rm -rf conftestdir
        fi
       ])
@@ -368,17 +368,17 @@ AC_DEFUN(AC_CHECK_ICMPHDR,
 AC_DEFUN(AC_PATH_X_APP_DEFAULTS_XMKMF,[
   rm -fr conftestdir
   if mkdir conftestdir; then
-    cd conftestdir >&-
+    cd conftestdir 2>/dev/null
     # Make sure to not put "make" in the Imakefile rules, since we grep it out.
     cat > Imakefile <<'EOF'
 acfindx:
        @echo 'ac_x_app_defaults="${XAPPLOADDIR}"'
 EOF
-    if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
+    if (xmkmf) >/dev/null 2>&1 && test -f Makefile; then
       # GNU make sometimes prints "make[1]: Entering...", which'd confuse us.
       eval `${MAKE-make} acfindx 2>/dev/null | grep -v make`
     fi
-    cd .. >&-
+    cd .. 2>/dev/null
     rm -fr conftestdir
   fi])
 
@@ -609,7 +609,7 @@ AC_DEFUN(AC_CHECK_X_HEADER, [
     CPPFLAGS="$CPPFLAGS -I$includedir"
   fi
   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-  AC_CHECK_HEADER([$1], [$2])
+  AC_CHECK_HEADER([$1],[$2],[$3],[$4])
   CPPFLAGS="$ac_save_CPPFLAGS"])
 
 # Like AC_EGREP_HEADER, but it uses the already-computed -I directories.
@@ -746,6 +746,7 @@ AC_NO_CPLUSPLUS_COMMENTS_IN_C_CODE
 AC_PROG_CPP
 AC_C_CONST
 AC_C_INLINE
+AC_EXEEXT
 AC_DEMAND_BC
 
 # stuff for Makefiles
@@ -771,7 +772,7 @@ AC_HEADER_TIME
 AC_HEADER_SYS_WAIT
 AC_HEADER_DIRENT
 AC_GETTIMEOFDAY_ARGS
-AC_CHECK_FUNCS(select fcntl uname nice setpriority getcwd getwd putenv)
+AC_CHECK_FUNCS(select fcntl uname nice setpriority getcwd getwd putenv sbrk)
 
 AC_CHECK_FUNCS(sigaction syslog realpath setrlimit)
 AC_CHECK_ICMP
@@ -795,6 +796,21 @@ AC_X_RANDOM_PATHS
 AC_XPOINTER
 
 
+###############################################################################
+#
+#       Gettext support
+#
+###############################################################################
+
+AC_PROG_INTLTOOL
+GETTEXT_PACKAGE=xscreensaver
+AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE")
+AC_DEFINE_UNQUOTED(PACKAGE, "$GETTEXT_PACKAGE")
+AC_SUBST(GETTEXT_PACKAGE)
+
+ALL_LINGUAS="ca de et fr it ko pl pt sv da es fi hu ja no pt pt_BR ru wa"
+AM_GLIB_GNU_GETTEXT
+
 
 ###############################################################################
 #
@@ -803,7 +819,10 @@ AC_XPOINTER
 ###############################################################################
 
 have_xmu=no
-AC_CHECK_X_HEADER(X11/Xmu/Error.h, [have_xmu=yes])
+AC_CHECK_X_HEADER(X11/Xmu/Error.h, [have_xmu=yes],,
+                  [#include <stdlib.h>
+                   #include <stdio.h>
+                   #include <X11/Intrinsic.h>])
 if test "$have_xmu" = no ; then
   XMU_SRCS='$(UTILS_SRC)/xmu.c'
   XMU_OBJS='$(UTILS_BIN)/xmu.o'
@@ -871,8 +890,7 @@ AC_ARG_WITH(hackdir,[
 Installation options:
 
   --with-hackdir=DIR      Where to install the hundreds of demo executables.
-                          Default: \`PREFIX/lib/xscreensaver/'
-],
+                          Default: \`PREFIX/lib/xscreensaver/'],
   [with_hackdir="$withval"; with_hackdir_req="$withval"],[with_hackdir=yes])
 
 if test x"$with_hackdir" = xyes; then
@@ -974,7 +992,8 @@ HANDLE_X_PATH_ARG(with_sgi, --with-sgi-ext, SGI SCREEN_SAVER)
 if test "$with_sgi" = yes; then
   AC_CHECK_X_HEADER(X11/extensions/XScreenSaver.h,
                     [have_sgi=yes
-                     AC_DEFINE(HAVE_SGI_SAVER_EXTENSION)])
+                     AC_DEFINE(HAVE_SGI_SAVER_EXTENSION)],,
+                    [#include <X11/Xlib.h>])
 
 elif test "$with_sgi" != no; then
   echo "error: must be yes or no: --with-sgi-ext=$with_sgi"
@@ -997,7 +1016,8 @@ AC_ARG_WITH(mit-ext,
 HANDLE_X_PATH_ARG(with_mit, --with-mit-ext, MIT-SCREEN-SAVER)
 
 if test "$with_mit" = yes; then
-  AC_CHECK_X_HEADER(X11/extensions/scrnsaver.h, [have_mit=yes])
+  AC_CHECK_X_HEADER(X11/extensions/scrnsaver.h, [have_mit=yes],,
+                    [#include <X11/Xlib.h>])
 
   # Now check to see if it's really in the library; XF86Free-3.3 ships
   # scrnsaver.h, but doesn't include the code in libXext.a, the idiots!
@@ -1052,7 +1072,8 @@ HANDLE_X_PATH_ARG(with_xidle, --with-xidle-ext, XIDLE)
 if test "$with_xidle" = yes; then
   AC_CHECK_X_HEADER(X11/extensions/xidle.h,
                     [have_xidle=yes
-                     AC_DEFINE(HAVE_XIDLE_EXTENSION)])
+                     AC_DEFINE(HAVE_XIDLE_EXTENSION)],,
+                    [#include <X11/Xlib.h>])
 elif test "$with_xidle" != no; then
   echo "error: must be yes or no: --with-xidle-ext=$with_xidle"
   exit 1
@@ -1076,7 +1097,8 @@ HANDLE_X_PATH_ARG(with_sgivc, --with-sgivc-ext, SGI-VIDEO-CONTROL)
 if test "$with_sgivc" = yes; then
 
   # first check for XSGIvc.h
-  AC_CHECK_X_HEADER(X11/extensions/XSGIvc.h, [have_sgivc=yes])
+  AC_CHECK_X_HEADER(X11/extensions/XSGIvc.h, [have_sgivc=yes],,
+                    [#include <X11/Xlib.h>])
 
   # if that succeeded, then check for the -lXsgivc
   if test "$have_sgivc" = yes; then
@@ -1114,7 +1136,8 @@ HANDLE_X_PATH_ARG(with_dpms, --with-dpms-ext, DPMS)
 if test "$with_dpms" = yes; then
 
   # first check for dpms.h
-  AC_CHECK_X_HEADER(X11/extensions/dpms.h, [have_dpms=yes])
+  AC_CHECK_X_HEADER(X11/extensions/dpms.h, [have_dpms=yes],,
+                    [#include <X11/Xlib.h>])
 
   # if that succeeded, then check for the DPMS code in the libraries
   if test "$have_dpms" = yes; then
@@ -1160,7 +1183,8 @@ HANDLE_X_PATH_ARG(with_xinerama, --with-xinerama-ext, XINERAMA)
 if test "$with_xinerama" = yes; then
 
   # first check for Xinerama.h
-  AC_CHECK_X_HEADER(X11/extensions/Xinerama.h, [have_xinerama=yes])
+  AC_CHECK_X_HEADER(X11/extensions/Xinerama.h, [have_xinerama=yes],,
+                    [#include <X11/Xlib.h>])
 
   # if that succeeded, then check for the XINERAMA code in the libraries
   if test "$have_xinerama" = yes; then
@@ -1207,7 +1231,8 @@ HANDLE_X_PATH_ARG(with_xf86vmode, --with-xf86vmode-ext, xf86vmode)
 if test "$with_xf86vmode" = yes; then
 
   # first check for xf86vmode.h
-  AC_CHECK_X_HEADER(X11/extensions/xf86vmode.h, [have_xf86vmode=yes])
+  AC_CHECK_X_HEADER(X11/extensions/xf86vmode.h, [have_xf86vmode=yes],,
+                    [#include <X11/Xlib.h>])
 
   # if that succeeded, then check for the -lXxf86vm
   if test "$have_xf86vmode" = yes; then
@@ -1250,7 +1275,8 @@ if test "$with_xf86gamma" = yes; then
   if test "$have_xf86vmode" = yes; then
     have_xf86gamma=yes
   else
-    AC_CHECK_X_HEADER(X11/extensions/xf86vmode.h, [have_xf86gamma=yes])
+    AC_CHECK_X_HEADER(X11/extensions/xf86vmode.h, [have_xf86gamma=yes],,
+                      [#include <X11/Xlib.h>])
   fi
 
   # if that succeeded, then check for the -lXxf86vm
@@ -1768,12 +1794,18 @@ if test "$with_motif" = yes; then
   AC_CHECK_X_HEADER(Xm/Xm.h,
                     [have_motif=yes
                      AC_DEFINE(HAVE_MOTIF)
-                     MOTIF_LIBS="$MOTIF_LIBS -lXm"])
+                     MOTIF_LIBS="$MOTIF_LIBS -lXm"],,
+                    [#include <stdlib.h>
+                     #include <stdio.h>
+                     #include <X11/Intrinsic.h>])
 fi
 
 
 if test "$have_motif" = yes; then
-  AC_CHECK_X_HEADER(Xm/ComboBox.h, [AC_DEFINE(HAVE_XMCOMBOBOX)])
+  AC_CHECK_X_HEADER(Xm/ComboBox.h, [AC_DEFINE(HAVE_XMCOMBOBOX)],,
+                    [#include <stdlib.h>
+                     #include <stdio.h>
+                     #include <X11/Intrinsic.h>])
 fi
 
 
@@ -1836,21 +1868,21 @@ jurassic_gtk=no
 if test "$with_gtk" = yes; then
   have_gtk=no
   
-  # if the user specified --with-gtk=/foo/ then look in /foo/bin/
-  # for glib-config and gtk-config.
+  # if the user specified --with-gtk=/foo/ or --with-gnome=/foo/ then
+  # look in /foo/bin/ for glib-config, gtk-config, and gnome-config.
   #
   gtk_path="$PATH"
 
   if test ! -z "$gtk_dir"; then
     # canonicalize slashes.
-    gtk_dir=`echo "${gtk_dir}/bin" | sed 's@//*@/@g'`
-    gtk_path="$gtk_dir:$gtk_path"
+    foo=`echo "${gtk_dir}/bin" | sed 's@//*@/@g'`
+    gtk_path="$foo:$gtk_path"
   fi
 
-  if test ! -z "gnome_dir"; then
+  if test ! -z "$gnome_dir"; then
     # canonicalize slashes.
-    gnome_dir=`echo "${gnome_dir}/bin" | sed 's@//*@/@g'`
-    gtk_path="$gnome_dir:$gtk_path"
+    foo=`echo "${gnome_dir}/bin" | sed 's@//*@/@g'`
+    gtk_path="$foo:$gtk_path"
   fi
 
   AC_PATH_PROGS(glib_config,  glib12-config glib-config,,  $gtk_path)
@@ -1860,7 +1892,7 @@ if test "$with_gtk" = yes; then
     AC_PATH_PROGS(gnome_config, gnome-config,, $gtk_path)
   fi
 
-  if test -n "$glib_config" -a  -n "gtk_config" ; then
+  if test -n "$glib_config" -a  -n "$gtk_config" ; then
     have_gtk=yes
     if test "$with_gnome" = yes -a -n "$gnome_config" ; then
       have_gnome=yes
@@ -1901,10 +1933,10 @@ if test "$with_gtk" = yes; then
   # Check for Gnome Capplet support.
   #
   if test "$have_gnome" = yes -a "$have_gtk" = yes; then
-    gnome_config_libs="gtk capplet gnomeui xml gdk_pixbuf"
+    gnome_config_libs="gtk capplet gnomeui gdk_pixbuf"
     AC_MSG_CHECKING(for Gnome capplet includes)
     AC_CACHE_VAL(ac_cv_gnome_config_cflags,
-      [if ( $gnome_config --cflags $gnome_config_libs 2>&1 >/dev/null | \
+      [if ( $gnome_config --cflags $gnome_config_libs >/dev/null 2>&1 | \
             grep Unknown >/dev/null ) ; then
          ac_cv_gnome_config_cflags=''
        else
@@ -1922,7 +1954,7 @@ if test "$with_gtk" = yes; then
   if test "$have_gnome" = yes -a "$have_gtk" = yes; then
     AC_MSG_CHECKING(for Gnome capplet libs)
     AC_CACHE_VAL(ac_cv_gnome_config_libs,
-      [if ( $gnome_config --libs $gnome_config_libs 2>&1 >/dev/null |
+      [if ( $gnome_config --libs $gnome_config_libs >/dev/null 2>&1 |
             grep Unknown >/dev/null ) ; then
          ac_cv_gnome_config_libs=''
        else
@@ -1978,7 +2010,7 @@ fi
 
 ###############################################################################
 #
-#       Check for -lxml (if we have Gtk)
+#       Check for -lxml
 #
 ###############################################################################
 
@@ -1990,6 +2022,17 @@ AC_ARG_WITH(xml,
                           the Gtk interface.],
 [with_xml="$withval"; with_xml_req="$withval"],[with_xml=yes])
 
+# if --with-xml=/directory/ was specified, remember that directory so that
+# we can also look for the `xml-config' program in that directory.
+case "$with_xml" in
+  /*)
+    xml_dir="$with_xml"
+    ;;
+  *)
+    xml_dir=""
+    ;;
+esac
+
 HANDLE_X_PATH_ARG(with_xml, --with-xml, XML)
 
 if test "$with_xml" != yes -a "$with_xml" != no ; then
@@ -1997,21 +2040,68 @@ if test "$with_xml" != yes -a "$with_xml" != no ; then
   exit 1
 fi
 
-if test "$have_gtk" != yes; then
-  # don't bother if no GTK
-  with_xml=no
-fi
-
 if test "$with_xml" = yes; then
   have_xml=no
+  have_old_xml=no
+
+  # if the user specified --with-gtk=/foo/ or --with-gnome=/foo/ then
+  # look in /foo/bin/ for for xml-config.
+  #
+  xml_path="$PATH"
 
-  # the XML stuff is likely to be in GTK paths.
-  ac_save_X_CFLAGS="$X_CFLAGS"
-  ac_save_X_LIBS="$X_LIBS"
-  X_CFLAGS="$X_CFLAGS $ac_gtk_config_cflags"
-  X_LIBS="$X_LIBS $ac_gtk_config_libs"
+  if test ! -z "$gtk_dir"; then
+    # canonicalize slashes.
+    foo=`echo "${gtk_dir}/bin" | sed 's@//*@/@g'`
+    xml_path="$foo:$xml_path"
+  fi
 
-  AC_CHECK_X_HEADER(xmlIO.h, [have_xml=yes])
+  if test ! -z "$gnome_dir"; then
+    # canonicalize slashes.
+    foo=`echo "${gnome_dir}/bin" | sed 's@//*@/@g'`
+    xml_path="$foo:$xml_path"
+  fi
+
+  AC_PATH_PROGS(xml_config, xml2-config xml-config,, $xml_path)
+
+  # If we found the xml-config program, run it to get flags.
+  #
+  if test -n "$xml_config" ; then
+    AC_CACHE_CHECK([for XML includes], ac_cv_xml_config_cflags,
+                   [ac_cv_xml_config_cflags=`$xml_config --cflags`])
+    AC_CACHE_CHECK([for XML libs], ac_cv_xml_config_libs,
+                   [ac_cv_xml_config_libs=`$xml_config --libs`])
+    ac_xml_config_cflags=$ac_cv_xml_config_cflags
+    ac_xml_config_libs=$ac_cv_xml_config_libs
+  fi
+
+  ac_save_xml_CPPFLAGS="$CPPFLAGS"
+  CPPFLAGS="$CPPFLAGS $ac_xml_config_cflags"
+
+  # first try <libxml/parser.h> which is the new way...
+  #
+  AC_CHECK_X_HEADER(libxml/xmlIO.h, [have_xml=yes],,
+                    [#include <libxml/parser.h>])
+
+  # if that didn't work, then try just <parser.h> which is the old way...
+  #
+  if test "$have_xml" = no; then
+    AC_CHECK_X_HEADER(xmlIO.h, [have_xml=yes; have_old_xml=yes],,
+                      [#include <parser.h>])
+  fi
+
+  CPPFLAGS="$ac_save_xml_CPPFLAGS"
+
+  have_zlib=no
+  if test "$have_xml" = yes; then
+    # we have the XML headers; now make sure zlib is around.
+    # yes, it's stupid we have to do this too, but there is
+    # dependency screwage in Gnome.
+    AC_CHECK_X_LIB(z, zlibVersion, [have_zlib=yes])
+    if test "$have_zlib" = no; then
+      xml_halfassed=yes
+      have_xml=no
+    fi
+  fi
 
   if test "$have_xml" = yes; then
     # we have the header, now check for the library
@@ -2020,12 +2110,20 @@ if test "$with_xml" = yes; then
     AC_CHECK_X_LIB(xml, xmlParseChunk,
                    [have_xml=yes
                     xml_halfassed=no
-                    XML_LIBS="-lxml"
-                    AC_DEFINE(HAVE_XML)])
+                    XML_LIBS="$ac_xml_config_libs"
+                    AC_DEFINE(HAVE_XML)],
+                   [true],
+                   $ac_xml_config_libs)
   fi
 
-  X_CFLAGS="$ac_save_X_CFLAGS"
-  X_LIBS="$ac_save_X_LIBS"
+  if test "$have_xml" = yes; then
+    INCLUDES="$INCLUDES $ac_xml_config_cflags"
+    GTK_LIBS="$GTK_LIBS $ac_xml_config_libs"
+    AC_DEFINE(HAVE_XML)
+    if test "$have_old_xml" = yes; then
+      AC_DEFINE(HAVE_OLD_XML_HEADERS)
+    fi
+  fi
 
 fi
 
@@ -2196,7 +2294,8 @@ ac_mesagl_version_string=unknown
 if test "$with_gl" = yes; then
   AC_CHECK_X_HEADER(GL/gl.h, have_gl=yes, have_gl=no)
   if test "$have_gl" = yes ; then
-    AC_CHECK_X_HEADER(GL/glx.h, have_gl=yes, have_gl=no)
+    AC_CHECK_X_HEADER(GL/glx.h, have_gl=yes, have_gl=no,
+                      [#include <GL/gl.h>])
   fi
 
   # If we have the headers, try and figure out which vendor it's from.
@@ -2288,11 +2387,21 @@ EOF
          fi
          CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 
-          # M4 sucks!!
-         changequote(X,Y)
+# With autoconf 2.13 we could do this:
+#
+#        changequote(X,Y)
+#        mglv=`(eval "$ac_cpp conftest.$ac_ext") 2>&AC_FD_CC | sed -n \
+#             's/^configure:.*\([0-9][0-9]*\).*\([0-9][0-9]*\).*$/\1.\2/p'`
+#        changequote([,])
+#
+# but with autoconf 2.52+ (m4 1.4) that causes an error:
+#   m4: ERROR: Recursion limit of 1024 exceeded, use -L<N> to change it
+#
+# So, we need to use the autoconf line-noise macros @<:@ for [ and @:>@ for ]
+#
          mglv=`(eval "$ac_cpp conftest.$ac_ext") 2>&AC_FD_CC | sed -n \
-              's/^configure:.*\([0-9][0-9]*\).*\([0-9][0-9]*\).*$/\1.\2/p'`
-         changequote([,])
+              's/^configure:.*\(@<:@0-9@:>@@<:@0-9@:>@*\).*\(@<:@0-9@:>@@<:@0-9@:>@*\).*$/\1.\2/p'`
+
 
          rm -f conftest.$ac_ext
 
@@ -2351,13 +2460,16 @@ GLE_LIBS=""
 
 if test "$with_gle" = yes; then
 
-  AC_CHECK_X_HEADER(GL/gle.h, have_gle3=yes, have_gle3=no)
+  AC_CHECK_X_HEADER(GL/gle.h, have_gle3=yes, have_gle3=no,
+                    [#include <GL/gl.h>])
   if test "$have_gle3" = yes ; then
     have_gle=yes;
   else
-    AC_CHECK_X_HEADER(GL/gutil.h, have_gle=yes, have_gle=no)
+    AC_CHECK_X_HEADER(GL/gutil.h, have_gle=yes, have_gle=no,
+                    [#include <GL/gl.h>])
     if test "$have_gle" = yes ; then
-      AC_CHECK_X_HEADER(GL/tube.h, have_gle=yes, have_gle=no)
+      AC_CHECK_X_HEADER(GL/tube.h, have_gle=yes, have_gle=no,
+                        [#include <GL/gl.h>])
     fi
   fi
 
@@ -2431,7 +2543,8 @@ if test "$with_xpm" = yes; then
   AC_CHECK_X_HEADER(X11/xpm.h,
                    [have_xpm=yes
                     AC_DEFINE(HAVE_XPM)
-                    XPM_LIBS="-lXpm"])
+                    XPM_LIBS="-lXpm"],,
+                    [#include <X11/Xlib.h>])
 elif test "$with_xpm" != no; then
   echo "error: must be yes or no: --with-xpm=$with_xpm"
   exit 1
@@ -2462,33 +2575,94 @@ AC_ARG_WITH(pixbuf,
   [with_gdk_pixbuf="$withval"; with_gdk_pixbuf_req="$withval"],
   [with_gdk_pixbuf=yes])
 
+# if --with-pixbuf=/directory/ was specified, remember that directory so that
+# we can also look for the `gdk-pixbuf-config' program in that directory.
+case "$with_gdk_pixbuf" in
+  /*)
+    gdk_pixbuf_dir="$with_gdk_pixbuf"
+    ;;
+  *)
+    gdk_pixbuf_dir=""
+    ;;
+esac
+
 HANDLE_X_PATH_ARG(with_gdk_pixbuf, --with-pixbuf, GDK_PIXBUF)
 
+if test "$with_gdk_pixbuf" != yes -a "$with_gdk_pixbuf" != no ; then
+  echo "error: must be yes or no: --with-pixbuf=$with_gdk_pixbuf"
+  exit 1
+fi
+
 if test "$with_gdk_pixbuf" = yes; then
+  have_gdk_pixbuf=no
 
-  if test "$have_gtk" = yes; then
+  # if the user specified --with-gtk=/foo/ or --with-gnome=/foo/ then
+  # look in /foo/bin/ for for gdk-pixbuf-config.
+  #
+  gdk_pixbuf_path="$PATH"
+
+  if test ! -z "$gtk_dir"; then
+    # canonicalize slashes.
+    foo=`echo "${gtk_dir}/bin" | sed 's@//*@/@g'`
+    gdk_pixbuf_path="$foo:$gdk_pixbuf_path"
+  fi
+
+  if test ! -z "$gnome_dir"; then
+    # canonicalize slashes.
+    foo=`echo "${gnome_dir}/bin" | sed 's@//*@/@g'`
+    gdk_pixbuf_path="$foo:$gdk_pixbuf_path"
+  fi
 
-    ac_save_gdk_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS $ac_gtk_config_cflags"
+  AC_PATH_PROGS(gdk_pixbuf_config, gdk-pixbuf-config,, $gdk_pixbuf_path)
 
+  # If we found the gdk-pixbuf-config program, run it to get flags.
+  #
+  if test -n "$gdk_pixbuf_config" ; then
+    AC_CACHE_CHECK([for gdk-pixbuf includes], ac_cv_gdk_pixbuf_config_cflags,
+               [ac_cv_gdk_pixbuf_config_cflags=`$gdk_pixbuf_config --cflags`])
+    AC_CACHE_CHECK([for gdk-pixbuf libs], ac_cv_gdk_pixbuf_config_libs,
+               [ac_cv_gdk_pixbuf_config_libs=`$gdk_pixbuf_config --libs`])
+    ac_gdk_pixbuf_config_cflags=$ac_cv_gdk_pixbuf_config_cflags
+    ac_gdk_pixbuf_config_libs=$ac_cv_gdk_pixbuf_config_libs
+  fi
+
+  ac_save_gdk_pixbuf_CPPFLAGS="$CPPFLAGS"
+  CPPFLAGS="$CPPFLAGS $ac_gdk_pixbuf_config_cflags"
+
+  # check for header 1...
+  AC_CHECK_X_HEADER(gdk-pixbuf/gdk-pixbuf.h, [have_gdk_pixbuf=yes])
+
+  # if that worked, check for header 2...
+  if test "$have_gdk_pixbuf" = yes; then
     have_gdk_pixbuf=no
-    AC_CHECK_X_HEADER(gdk-pixbuf/gdk-pixbuf.h, [have_gdk_pixbuf=yes])
-    if test "$have_gdk_pixbuf" = yes; then
-      have_gdk_pixbuf=no
-      AC_CHECK_X_HEADER(gdk-pixbuf/gdk-pixbuf-xlib.h, [have_gdk_pixbuf=yes])
-    fi
+    AC_CHECK_X_HEADER(gdk-pixbuf/gdk-pixbuf-xlib.h, [have_gdk_pixbuf=yes])
+  fi
 
-    CPPFLAGS="$ac_save_gdk_CPPFLAGS"
+  CPPFLAGS="$ac_save_gdk_pixbuf_CPPFLAGS"
 
+  if test "$have_gdk_pixbuf" = yes; then
+    # we have the headers, now check for the libraries
+    have_gdk_pixbuf=no
+    gdk_pixbuf_halfassed=yes
+    # library 1...
+    AC_CHECK_X_LIB(gdk_pixbuf, gdk_pixbuf_new_from_file,
+                   [have_gdk_pixbuf=yes], [true],
+                   $ac_gdk_pixbuf_config_libs)
+    # library 2...
     if test "$have_gdk_pixbuf" = yes; then
-      AC_DEFINE(HAVE_GDK_PIXBUF)
-      XPM_LIBS="-lgdk_pixbuf -lgdk_pixbuf_xlib"
+      AC_CHECK_X_LIB(gdk_pixbuf_xlib, gdk_pixbuf_xlib_init,
+                     [have_gdk_pixbuf=yes
+                      gdk_pixbuf_halfassed=no],
+                     [true],
+                     $ac_gdk_pixbuf_config_libs)
     fi
   fi
 
-elif test "$with_gdk_pixbuf" != no; then
-  echo "error: must be yes or no: --with-pixbuf=$with_gdk_pixbuf"
-  exit 1
+  if test "$have_gdk_pixbuf" = yes; then
+    INCLUDES="$INCLUDES $ac_gdk_pixbuf_config_cflags"
+    XPM_LIBS="$ac_gdk_pixbuf_config_libs -lgdk_pixbuf -lgdk_pixbuf_xlib"
+    AC_DEFINE(HAVE_GDK_PIXBUF)
+  fi
 fi
 
 
@@ -2550,7 +2724,8 @@ HANDLE_X_PATH_ARG(with_xshm, --with-xshm-ext, XSHM)
 if test "$with_xshm" = yes; then
 
   # first check for Xshm.h.
-  AC_CHECK_X_HEADER(X11/extensions/XShm.h, [have_xshm=yes])
+  AC_CHECK_X_HEADER(X11/extensions/XShm.h, [have_xshm=yes],,
+                    [#include <X11/Xlib.h>])
 
   # if that succeeded, then check for sys/ipc.h.
   if test "$have_xshm" = yes; then
@@ -2608,7 +2783,8 @@ HANDLE_X_PATH_ARG(with_xdbe, --with-xdbe-ext, DOUBLE-BUFFER)
 
 if test "$with_xdbe" = yes; then
 
-  AC_CHECK_X_HEADER(X11/extensions/Xdbe.h, [have_xdbe=yes])
+  AC_CHECK_X_HEADER(X11/extensions/Xdbe.h, [have_xdbe=yes],,
+                    [#include <X11/Xlib.h>])
   if test "$have_xdbe" = yes; then
     AC_DEFINE(HAVE_DOUBLE_BUFFER_EXTENSION)    
   fi
@@ -2640,7 +2816,8 @@ HANDLE_X_PATH_ARG(with_readdisplay, --with-readdisplay, XReadDisplay)
 
 if test "$with_readdisplay" = yes; then
   AC_CHECK_X_HEADER(X11/extensions/readdisplay.h,
-                    AC_DEFINE(HAVE_READ_DISPLAY_EXTENSION))
+                    AC_DEFINE(HAVE_READ_DISPLAY_EXTENSION),,
+                    [#include <X11/Xlib.h>])
 elif test "$with_readdisplay" != no; then
   echo "error: must be yes or no: --with-readdisplay=$with_readdisplay"
   exit 1
@@ -2870,6 +3047,7 @@ fi
 
 # Now that we know whether we have Gnome, we can decide where the XML
 # config files get installed.
+#
 if test -z "$HACK_CONF_DIR" ; then
   if test -n "$GNOME_DATADIR" ; then
     HACK_CONF_DIR='${GNOME_DATADIR}/control-center/screensavers'
@@ -2878,6 +3056,21 @@ if test -z "$HACK_CONF_DIR" ; then
   fi
 fi
 
+
+
+# After computing $HACK_CONF_DIR, make sure $GTK_ICONDIR has a value
+# so that we know where to install the Gtk pixmaps.
+#
+if test -n "$GNOME_DATADIR" ; then
+  GTK_ICONDIR='$(GNOME_DATADIR)/pixmaps'
+elif test "$have_gtk" = yes; then
+  # should this be "$(prefix)/share/pixmaps"? But /usr/X11R6/share/ is wrong...
+  GTK_ICONDIR='/usr/share/pixmaps'
+else
+  GTK_ICONDIR=''
+fi
+
+
 # canonicalize slashes.
 HACK_CONF_DIR=`echo "${HACK_CONF_DIR}" | sed 's@/$@@;s@//*@/@g'`
 
@@ -2932,6 +3125,7 @@ AC_SUBST(GNOMEHELP_Y)
 AC_SUBST(GNOMEHELP_N)
 AC_SUBST(HACKDIR)
 AC_SUBST(GNOME_DATADIR)
+AC_SUBST(GTK_ICONDIR)
 AC_SUBST(HACK_CONF_DIR)
 
 APPDEFAULTS=$ac_x_app_defaults
@@ -2947,6 +3141,7 @@ AC_OUTPUT(Makefile
           driver/Makefile
           hacks/Makefile
           hacks/glx/Makefile
+          po/Makefile.in
           driver/XScreenSaver.ad)
 
 ###############################################################################
@@ -3091,9 +3286,16 @@ if test "$have_gtk" = yes ; then
     fi
 
     if test "$xml_halfassed" = yes ; then
+
+      if test "$have_zlib" = yes ; then
+        which="XML libraries"
+      else
+        which="\`zlib' library"
+      fi
+
       echo ''
       warn2 'More specifically, we found the headers, but not the'
-      warn2 'libraries; so either XML is half-installed on this'
+      warn2 "$which; so either XML is half-installed on this"
       warn2 "system, or something else went wrong.  The \`config.log'"
       warn2 'file might contain some clues.'
     fi
@@ -3136,11 +3338,11 @@ if test "$have_motif" = yes -a "$have_gtk" = no ; then
 fi
 
 
-if test "$with_xpm_req" = yes ; then
+if test "$with_xpm_req" = yes -a "$have_xpm" = no; then
   warnL 'Use of XPM was requested, but it was not found.'
 fi
 
-if test "$with_gdk_pixbuf_req" = yes ; then
+if test "$with_gdk_pixbuf_req" = yes  -a "$have_gdk_pixbuf" = no; then
   warnL 'Use of GDK-Pixbuf was requested, but it was not found.'
 fi
 
@@ -3162,6 +3364,14 @@ if test "$have_xpm" = no -a "$have_gdk_pixbuf" = no; then
     warnL 'The GDK-Pixbuf library was not found.'
   fi
 
+  if test "$gdk_pixbuf_halfassed" = yes ; then
+    echo ''
+    warn2 'More specifically, we found the headers, but not the'
+    warn2 'libraries; so either GDK-Pixbuf 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 demos will not be as colorful as they'
   warn2 'could be.  You should consider installing Pixbuf or'
@@ -3349,7 +3559,7 @@ do_dir_warning=no
 
 # M4 sucks!!
 changequote(X,Y)
-rpmv=`(rpm -qv xscreensaver) 2>&- | \
+rpmv=`(rpm -qv xscreensaver) 2>/dev/null | \
       sed -n 's/^xscreensaver-\([0-9][0-9]*[.][0-9][0-9]*\)-.*$/\1/p'`
 changequote([,])
 
@@ -3392,12 +3602,11 @@ if test "$do_dir_warning" = yes; then
   echo "      will be installed in ${bindir}/."
   echo ""
   echo "      The various graphics demos (140+ different executables) will"
-  echo "      also be installed in ${HACKDIR}/."
+  echo "      be installed in ${HACKDIR}/."
   echo ""
-  echo "      If you would prefer the demos to be installed elsewhere"
-  echo "      (for example, in a dedicated directory) you should re-run"
-  echo "      configure with the --with-hackdir=DIR option.  For more"
-  echo "      information, run $0 --help."
+  echo "      If you would prefer the demos to be installed elsewhere,"
+  echo "      you should re-run configure with the --with-hackdir=DIR"
+  echo "      option.  For more information, run \`./configure --help'."
   warning=yes
 fi