--- mk/autoconf/ax_check_gl.m4.old	2011-06-09 13:59:57.263672275 +0200
+++ mk/autoconf/ax_check_gl.m4	2011-06-09 14:00:31.552853456 +0200
@@ -49,6 +49,8 @@
     fi
     if test -n "$x_libraries"; then
       GL_LIBS="-L${x_libraries} -lX11 ${GL_LIBS}"
+    else
+      GL_LIBS="-lX11 ${GL_LIBS}"
     fi
   fi