--- allegro-4.4.2/addons/allegrogl/include/allegrogl/GLext/glx_ext_defs.h.orig	2013-12-10 21:42:17.239961127 +0100
+++ allegro-4.4.2/addons/allegrogl/include/allegrogl/GLext/glx_ext_defs.h	2013-12-10 21:44:20.474979107 +0100
@@ -1,6 +1,7 @@
 /* HACK: Prevent both Mesa and SGI's broken headers from screwing us */
 #define __glxext_h_
 #include <GL/glx.h>
+typedef XID GLXContextID; // was removed in mesa 10.0
 #undef __glxext_h_
 
 #ifndef GLX_VERSION_1_3