# Configure paths for GtkGLExt # Naofumi Yasufuku # # Shamelessly stolen from gtk-2.0.m4 # Configure paths for GTK+ # Owen Taylor 1997-2001 dnl AM_PATH_GTKGLEXT_1_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) dnl Test for GtkGLExt, and define GTKGLEXT_CFLAGS and GTKGLEXT_LIBS. dnl AC_DEFUN([AM_PATH_GTKGLEXT_1_0], [ no_gtkglext="" GTKGLEXT_CFLAGS="" GTKGLEXT_LIBS="" # GtkGLExt pkg-config module gtkglext_module=gtkglext-1.0 # minimum GtkGLExt version gtkglext_min_version=ifelse([$1], ,1.0.0,$1) # minimum pkg-config version pkgconfig_min_version=0.7 AC_ARG_ENABLE(gtkglext-test, [ --disable-gtkglext-test do not try to compile and run a test GtkGLExt program], , enable_gtkglext_test=yes) dnl dnl Get the cflags and libraries from pkg-config dnl pkg_config_modules=$gtkglext_module AC_PATH_PROG(PKG_CONFIG, pkg-config, no) if test x$PKG_CONFIG != xno ; then if pkg-config --atleast-pkgconfig-version $pkgconfig_min_version ; then : else echo "" echo "*** pkg-config too old; version $pkgconfig_min_version or better required." no_gtkglext=yes PKG_CONFIG=no fi else no_gtkglext=yes fi AC_MSG_CHECKING(for GtkGLExt - version >= $gtkglext_min_version) if test x$PKG_CONFIG != xno ; then ## don't try to run the test against uninstalled libtool libs if $PKG_CONFIG --uninstalled $pkg_config_modules; then echo "" echo "Will use uninstalled version of GtkGLExt found in PKG_CONFIG_PATH" enable_gtkglext_test=no fi if $PKG_CONFIG --atleast-version $gtkglext_min_version $pkg_config_modules; then : else echo "" echo "*** pkg-config cannot find $gtkglext_module >= $gtkglext_min_version" echo "*** Set the environment variable PKG_CONFIG_PATH to point to the correct" echo "*** configuration files." no_gtkglext=yes enable_gtkglext_test=no fi fi if test x"$no_gtkglext" = x ; then GTKGLEXT_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_modules` GTKGLEXT_LIBS=`$PKG_CONFIG --libs $pkg_config_modules` gtkglext_config_major_version=`$PKG_CONFIG --modversion $gtkglext_module | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` gtkglext_config_minor_version=`$PKG_CONFIG --modversion $gtkglext_module | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` gtkglext_config_micro_version=`$PKG_CONFIG --modversion $gtkglext_module | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` if test "x$enable_gtkglext_test" = "xyes" ; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $GTKGLEXT_CFLAGS" LIBS="$GTKGLEXT_LIBS $LIBS" dnl dnl Now check if the installed GtkGLExt is sufficiently new. (Also sanity dnl checks the results of pkg-config to some extent) dnl rm -f conf.gtkgltest AC_TRY_RUN([ #include #include #include #include int main () { int major, minor, micro; char *tmp_version; system ("touch conf.gtkgltest"); /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = g_strdup ("$gtkglext_min_version"); if (sscanf (tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { printf ("%s, bad version string\n", "$gtkglext_min_version"); exit (1); } if ((gtkglext_major_version != $gtkglext_config_major_version) || (gtkglext_minor_version != $gtkglext_config_minor_version) || (gtkglext_micro_version != $gtkglext_config_micro_version)) { printf ("\n*** 'pkg-config --modversion $gtkglext_module' returned %d.%d.%d, but GtkGLExt\n", $gtkglext_config_major_version, $gtkglext_config_minor_version, $gtkglext_config_micro_version); printf ("*** library %d.%d.%d was found!\n", gtkglext_major_version, gtkglext_minor_version, gtkglext_micro_version); printf ("***\n"); printf ("*** If pkg-config was correct, then it is best to remove the old version\n"); printf ("*** of GtkGLExt. You may also be able to fix the error by modifying your\n"); printf ("*** LD_LIBRARY_PATH enviroment variable, or by editing /etc/ld.so.conf.\n"); printf ("*** Make sure you have run ldconfig if that is required on your system.\n"); printf ("***\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 ((gtkglext_major_version != GTKGLEXT_MAJOR_VERSION) || (gtkglext_minor_version != GTKGLEXT_MINOR_VERSION) || (gtkglext_micro_version != GTKGLEXT_MICRO_VERSION)) { printf ("\n*** GtkGLExt header files (version %d.%d.%d) do not match library (version %d.%d.%d).\n", GTKGLEXT_MAJOR_VERSION, GTKGLEXT_MINOR_VERSION, GTKGLEXT_MICRO_VERSION, gtkglext_major_version, gtkglext_minor_version, gtkglext_micro_version); } else { if ((gtkglext_major_version > major) || ((gtkglext_major_version == major) && (gtkglext_minor_version > minor)) || ((gtkglext_major_version == major) && (gtkglext_minor_version == minor) && (gtkglext_micro_version >= micro))) { return 0; } else { printf ("\n*** An old version of GtkGLExt library (%d.%d.%d) was found.\n", gtkglext_major_version, gtkglext_minor_version, gtkglext_micro_version); printf ("*** You need a version of GtkGLExt newer than %d.%d.%d. The latest version of\n", major, minor, micro); printf ("*** GtkGLExt is always available from http://gtkglext.sourceforge.net/.\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 GtkGLExt, but you can also set the PKG_CONFIG environment to point\n"); printf ("*** to the 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_gtkglext=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi if test "x$no_gtkglext" = x ; then AC_MSG_RESULT(yes (version $gtkglext_config_major_version.$gtkglext_config_minor_version.$gtkglext_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/." elif test "x$enable_gtkglext_test" = "xyes" ; then if test -f conf.gtkgltest ; then : else echo "*** Could not run GtkGLExt test program, checking why..." ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $GTKGLEXT_CFLAGS" LIBS="$LIBS $GTKGLEXT_LIBS" AC_TRY_LINK([ #include #include #include ], [ return ((gtkglext_major_version) || (gtkglext_minor_version) || (gtkglext_micro_version)); ], [ echo "*** The test program compiled, but did not run. This usually means" echo "*** that the run-time linker is not finding GtkGLExt or finding the wrong" echo "*** version of GtkGLExt. If it is not finding GtkGLExt, you'll need to set your" echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" echo "*** to the installed location Also, make sure you have run ldconfig if that" echo "*** is required on your system" echo "***" echo "*** If you have an old version installed, it is best to remove it, although" echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ], [ echo "*** The test program failed to compile or link. See the file config.log for the" echo "*** exact error that occured. This usually means GtkGLExt is incorrectly installed."]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi fi GTKGLEXT_CFLAGS="" GTKGLEXT_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(GTKGLEXT_CFLAGS) AC_SUBST(GTKGLEXT_LIBS) rm -f conf.gtkgltest ]) dnl AC_GTKGLEXT_SUPPORTS_MULTIHEAD([ACTION-IF-SUPPORTED [, ACTION-IF-NOT-SUPPORTED]]) dnl Checks whether GtkGLExt supports multihead. dnl AC_DEFUN([AC_GTKGLEXT_SUPPORTS_MULTIHEAD], [ AC_CACHE_CHECK([whether GtkGLExt supports multihead], [ac_cv_gtkglext_supports_multihead], [AC_TRY_LINK([#include ], [gdk_gl_query_extension_for_display(gdk_display_get_default());], [ac_cv_gtkglext_supports_multihead=yes], [ac_cv_gtkglext_supports_multihead=no])]) if test "x$ac_cv_gtkglext_supports_multihead" = "xyes" ; then ifelse([$1], , :, [$1]) else ifelse([$2], , :, [$2]) fi ])