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# Configure paths for GTK+
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dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
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dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
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AC_DEFUN([AM_PATH_GTK],
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dnl Get the cflags and libraries from the gtk-config script
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AC_ARG_WITH(gtk-prefix,[ --with-gtk-prefix=PFX Prefix where GTK is installed (optional)],
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gtk_config_prefix="$withval", gtk_config_prefix="")
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AC_ARG_WITH(gtk-exec-prefix,[ --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
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gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
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AC_ARG_ENABLE(gtktest, [ --disable-gtktest Do not try to compile and run a test GTK program],
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gtk_config_args="$gtk_config_args gthread"
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if test x$gtk_config_exec_prefix != x ; then
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gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
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if test x${GTK_CONFIG+set} != xset ; then
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GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
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if test x$gtk_config_prefix != x ; then
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gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
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if test x${GTK_CONFIG+set} != xset ; then
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GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
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AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
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min_gtk_version=ifelse([$1], ,0.99.7,$1)
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AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
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if test "$GTK_CONFIG" = "no" ; then
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GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
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GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
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gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_gtktest" = "xyes" ; then
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $GTK_CFLAGS"
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LIBS="$GTK_LIBS $LIBS"
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dnl Now check if the installed GTK is sufficiently new. (Also sanity
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dnl checks the results of gtk-config to some extent
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int major, minor, micro;
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system ("touch conf.gtktest");
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = g_strdup("$min_gtk_version");
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if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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printf("%s, bad version string\n", "$min_gtk_version");
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if ((gtk_major_version != $gtk_config_major_version) ||
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(gtk_minor_version != $gtk_config_minor_version) ||
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(gtk_micro_version != $gtk_config_micro_version))
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printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
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$gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
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gtk_major_version, gtk_minor_version, gtk_micro_version);
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printf ("*** was found! If gtk-config was correct, then it is best\n");
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printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
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printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
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printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
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printf("*** required on your system.\n");
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printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
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printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
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printf("*** before re-running configure\n");
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#if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
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else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
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(gtk_minor_version != GTK_MINOR_VERSION) ||
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(gtk_micro_version != GTK_MICRO_VERSION))
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printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
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GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
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printf("*** library (version %d.%d.%d)\n",
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gtk_major_version, gtk_minor_version, gtk_micro_version);
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#endif /* defined (GTK_MAJOR_VERSION) ... */
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if ((gtk_major_version > major) ||
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((gtk_major_version == major) && (gtk_minor_version > minor)) ||
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((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
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printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
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gtk_major_version, gtk_minor_version, gtk_micro_version);
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printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
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major, minor, micro);
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printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
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printf("*** If you have already installed a sufficiently new version, this error\n");
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printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
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printf("*** being found. The easiest way to fix this is to remove the old version\n");
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printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
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printf("*** correct copy of gtk-config. (In this case, you will have to\n");
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printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
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printf("*** so that the correct libraries are found at run-time))\n");
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],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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if test "x$no_gtk" = x ; then
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ifelse([$2], , :, [$2])
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if test "$GTK_CONFIG" = "no" ; then
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echo "*** The gtk-config script installed by GTK could not be found"
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echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the GTK_CONFIG environment variable to the"
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echo "*** full path to gtk-config."
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if test -f conf.gtktest ; then
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echo "*** Could not run GTK test program, checking why..."
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CFLAGS="$CFLAGS $GTK_CFLAGS"
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LIBS="$LIBS $GTK_LIBS"
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], [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding GTK or finding the wrong"
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echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location Also, make sure you have run ldconfig if that"
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echo "*** is required on your system"
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echo "*** If you have an old version installed, it is best to remove it, although"
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
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echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
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echo "*** came with the system with the command"
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echo "*** rpm --erase --nodeps gtk gtk-devel" ],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occured. This usually means GTK was incorrectly installed"
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echo "*** or that you have moved GTK since it was installed. In the latter case, you"
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echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
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CFLAGS="$ac_save_CFLAGS"
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ifelse([$3], , :, [$3])
added
removed
m4/gtk.m4
