--- clutter-gst-1.9.90/clutter-gst/clutter-gst-video-sink.c
+++ clutter-gst-1.9.90/clutter-gst/clutter-gst-video-sink.c.patch
@@ -67,6 +67,7 @@
 
 #include <glib.h>
 #include <string.h>
+#include <GL/gl.h>
 
 /* Flags to give to cogl_texture_new(). Since clutter 1.1.10 put NO_ATLAS to
  * be sure the frames don't end up in an atlas */