-AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
-if test "$GTK_CONFIG" != ""; then
- AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
- fptools_cv_gtk_version=`$GTK_CONFIG --version`
- ])
- GTK_VERSION=$fptools_cv_gtk_version
-else
- GTK_VERSION=
+AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
+if test -n "$GTK_CONFIG"; then
+ AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
+ [fp_cv_gtk_version=`$GTK_CONFIG --version`])
+ FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
+ [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
+ GTK_CONFIG=])