-# Uncomment links to HOpenGL docs if necessary
-AC_ARG_ENABLE([hopengl],
- AC_HELP_STRING([--enable-hopengl],
- [Build HOpenGL, a Haskell binding for OpenGL/GLUT.]))
-FP_HTML_COMMENT([{ test x"$enable_hopengl" = xyes || test x"$enable_hopengl" = xx11; }], [HOpenGL])
+# test for GTK+
+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=])
+fi
+AC_SUBST([GTK_CONFIG])