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# Configure paths for GLIB
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# Owen Taylor 1997-2001
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dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
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dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject or
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dnl gthread is specified in MODULES, pass to pkg-config
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AC_DEFUN([AM_PATH_GLIB_2_0],
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dnl Get the cflags and libraries from pkg-config
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AC_ARG_ENABLE(glibtest, [ --disable-glibtest do not try to compile and run a test GLIB program],
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, enable_glibtest=yes)
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pkg_config_args=glib-2.0
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pkg_config_args="$pkg_config_args gmodule-2.0"
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pkg_config_args="$pkg_config_args gmodule-no-export-2.0"
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pkg_config_args="$pkg_config_args gobject-2.0"
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pkg_config_args="$pkg_config_args gthread-2.0"
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PKG_PROG_PKG_CONFIG([0.7])
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if test "x$PKG_CONFIG" = x ; then
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min_glib_version=ifelse([$1], ,2.0.0,$1)
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AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
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if test x$PKG_CONFIG != xno ; then
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## don't try to run the test against uninstalled libtool libs
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if $PKG_CONFIG --uninstalled $pkg_config_args; then
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echo "Will use uninstalled version of GLib found in PKG_CONFIG_PATH"
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if $PKG_CONFIG --atleast-version $min_glib_version $pkg_config_args; then
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if test x"$no_glib" = x ; then
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GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0`
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GOBJECT_QUERY=`$PKG_CONFIG --variable=gobject_query glib-2.0`
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GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0`
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GLIB_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_args`
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GLIB_LIBS=`$PKG_CONFIG --libs $pkg_config_args`
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glib_config_major_version=`$PKG_CONFIG --modversion glib-2.0 | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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glib_config_minor_version=`$PKG_CONFIG --modversion glib-2.0 | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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glib_config_micro_version=`$PKG_CONFIG --modversion glib-2.0 | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_glibtest" = "xyes" ; then
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $GLIB_CFLAGS"
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LIBS="$GLIB_LIBS $LIBS"
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dnl Now check if the installed GLIB is sufficiently new. (Also sanity
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dnl checks the results of pkg-config to some extent)
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int major, minor, micro;
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system ("touch conf.glibtest");
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = g_strdup("$min_glib_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_glib_version");
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if ((glib_major_version != $glib_config_major_version) ||
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(glib_minor_version != $glib_config_minor_version) ||
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(glib_micro_version != $glib_config_micro_version))
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printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n",
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$glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
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glib_major_version, glib_minor_version, glib_micro_version);
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printf ("*** was found! If pkg-config was correct, then it is best\n");
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printf ("*** to remove the old version of GLib. 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 pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
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printf("*** to point to the correct configuration files\n");
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else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
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(glib_minor_version != GLIB_MINOR_VERSION) ||
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(glib_micro_version != GLIB_MICRO_VERSION))
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printf("*** GLIB header files (version %d.%d.%d) do not match\n",
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GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
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printf("*** library (version %d.%d.%d)\n",
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glib_major_version, glib_minor_version, glib_micro_version);
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if ((glib_major_version > major) ||
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((glib_major_version == major) && (glib_minor_version > minor)) ||
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((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
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printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n",
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glib_major_version, glib_minor_version, glib_micro_version);
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printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n",
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major, minor, micro);
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printf("*** GLIB 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 pkg-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 GLIB, but you can also set the PKG_CONFIG environment to point to the\n");
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printf("*** correct copy of pkg-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_glib=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_glib" = x ; then
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AC_MSG_RESULT(yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version))
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ifelse([$2], , :, [$2])
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if test "$PKG_CONFIG" = "no" ; then
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echo "*** A new enough version of pkg-config was not found."
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echo "*** See http://www.freedesktop.org/software/pkgconfig/"
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if test -f conf.glibtest ; then
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echo "*** Could not run GLIB test program, checking why..."
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $GLIB_CFLAGS"
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LIBS="$LIBS $GLIB_LIBS"
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], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding GLIB or finding the wrong"
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echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location Also, make sure you have run ldconfig if that"
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echo "*** is required on your system"
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echo "*** If you have an old version installed, it is best to remove it, although"
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occured. This usually means GLIB is incorrectly installed."])
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CFLAGS="$ac_save_CFLAGS"
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ifelse([$3], , :, [$3])
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AC_SUBST(GLIB_CFLAGS)
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AC_SUBST(GLIB_GENMARSHAL)
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AC_SUBST(GOBJECT_QUERY)
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AC_SUBST(GLIB_MKENUMS)
added
removed
m4macros/glib-2.0.m4
