# Configure paths for GLIB # Owen Taylor 1997-2001 dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject or dnl gthread is specified in MODULES, pass to pkg-config dnl AC_DEFUN([AM_PATH_GLIB_2_0], [dnl dnl Get the cflags and libraries from pkg-config dnl AC_ARG_ENABLE(glibtest, [ --disable-glibtest do not try to compile and run a test GLIB program], , enable_glibtest=yes) pkg_config_args=glib-2.0 for module in . $4 do case "$module" in gmodule) pkg_config_args="$pkg_config_args gmodule-2.0" ;; gmodule-no-export) pkg_config_args="$pkg_config_args gmodule-no-export-2.0" ;; gobject) pkg_config_args="$pkg_config_args gobject-2.0" ;; gthread) pkg_config_args="$pkg_config_args gthread-2.0" ;; esac done PKG_PROG_PKG_CONFIG([0.7]) no_glib="" if test "x$PKG_CONFIG" = x ; then no_glib=yes PKG_CONFIG=no fi min_glib_version=ifelse([$1], ,2.0.0,$1) AC_MSG_CHECKING(for GLIB - version >= $min_glib_version) if test x$PKG_CONFIG != xno ; then ## don't try to run the test against uninstalled libtool libs if $PKG_CONFIG --uninstalled $pkg_config_args; then echo "Will use uninstalled version of GLib found in PKG_CONFIG_PATH" enable_glibtest=no fi if $PKG_CONFIG --atleast-version $min_glib_version $pkg_config_args; then : else no_glib=yes fi fi if test x"$no_glib" = x ; then GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0` GOBJECT_QUERY=`$PKG_CONFIG --variable=gobject_query glib-2.0` GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0` GLIB_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_args` GLIB_LIBS=`$PKG_CONFIG --libs $pkg_config_args` glib_config_major_version=`$PKG_CONFIG --modversion glib-2.0 | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` glib_config_minor_version=`$PKG_CONFIG --modversion glib-2.0 | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` glib_config_micro_version=`$PKG_CONFIG --modversion glib-2.0 | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` if test "x$enable_glibtest" = "xyes" ; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$GLIB_LIBS $LIBS" dnl dnl Now check if the installed GLIB is sufficiently new. (Also sanity dnl checks the results of pkg-config to some extent) dnl rm -f conf.glibtest AC_TRY_RUN([ #include <glib.h> #include <stdio.h> #include <stdlib.h> int main () { int major, minor, micro; char *tmp_version; system ("touch conf.glibtest"); /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = g_strdup("$min_glib_version"); if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { printf("%s, bad version string\n", "$min_glib_version"); exit(1); } if ((glib_major_version != $glib_config_major_version) || (glib_minor_version != $glib_config_minor_version) || (glib_micro_version != $glib_config_micro_version)) { printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version, glib_major_version, glib_minor_version, glib_micro_version); printf ("*** was found! If pkg-config was correct, then it is best\n"); printf ("*** to remove the old version of GLib. You may also be able to fix the error\n"); printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); printf("*** required on your system.\n"); printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n"); printf("*** to point to the correct configuration files\n"); } else if ((glib_major_version != GLIB_MAJOR_VERSION) || (glib_minor_version != GLIB_MINOR_VERSION) || (glib_micro_version != GLIB_MICRO_VERSION)) { printf("*** GLIB header files (version %d.%d.%d) do not match\n", GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION); printf("*** library (version %d.%d.%d)\n", glib_major_version, glib_minor_version, glib_micro_version); } else { if ((glib_major_version > major) || ((glib_major_version == major) && (glib_minor_version > minor)) || ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro))) { return 0; } else { printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n", glib_major_version, glib_minor_version, glib_micro_version); printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n", major, minor, micro); printf("*** GLIB is always available from ftp://ftp.gtk.org.\n"); printf("***\n"); printf("*** If you have already installed a sufficiently new version, this error\n"); printf("*** probably means that the wrong copy of the pkg-config shell script is\n"); printf("*** being found. The easiest way to fix this is to remove the old version\n"); printf("*** of GLIB, but you can also set the PKG_CONFIG environment to point to the\n"); printf("*** correct copy of pkg-config. (In this case, you will have to\n"); printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); printf("*** so that the correct libraries are found at run-time))\n"); } } return 1; } ],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi if test "x$no_glib" = x ; then AC_MSG_RESULT(yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version)) ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) if test "$PKG_CONFIG" = "no" ; then echo "*** A new enough version of pkg-config was not found." echo "*** See http://www.freedesktop.org/software/pkgconfig/" else if test -f conf.glibtest ; then : else echo "*** Could not run GLIB test program, checking why..." ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$LIBS $GLIB_LIBS" AC_TRY_LINK([ #include <glib.h> #include <stdio.h> ], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ], [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding GLIB or finding the wrong" echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your" echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" echo "*** to the installed location Also, make sure you have run ldconfig if that" echo "*** is required on your system" echo "***" echo "*** If you have an old version installed, it is best to remove it, although" echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ], [ echo "*** The test program failed to compile or link. See the file config.log for the" echo "*** exact error that occurred. This usually means GLIB is incorrectly installed."]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi GLIB_CFLAGS="" GLIB_LIBS="" GLIB_GENMARSHAL="" GOBJECT_QUERY="" GLIB_MKENUMS="" ifelse([$3], , :, [$3]) fi AC_SUBST(GLIB_CFLAGS) AC_SUBST(GLIB_LIBS) AC_SUBST(GLIB_GENMARSHAL) AC_SUBST(GOBJECT_QUERY) AC_SUBST(GLIB_MKENUMS) rm -f conf.glibtest ])