+PKG_CHECK_MODULES(GTK, gtk+-2.0 gtkglext-1.0 gmodule-export-2.0 gobject-2.0)
+
+# Define odd RSL install location
+#AC_SUBST(RSL_CFLAGS, "-I/usr/local/trmm/GVBOX/include/")
+#AC_SUBST(RSL_LIBS, "-L/usr/local/trmm/GVBOX/lib/ -lrsl")
+AC_SUBST(RSL_CFLAGS, "")
+AC_SUBST(RSL_LIBS, "-lrsl")