$OpenBSD$
--- source/ref_gl/qgl.h.orig	Thu Dec 15 05:21:21 2011
+++ source/ref_gl/qgl.h	Tue Feb 26 03:26:05 2013
@@ -66,7 +66,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 #include <GL/gl.h>
 #endif
 
-#if defined (__linux__) || defined (__FreeBSD__)
+#if defined (__linux__) || defined (__FreeBSD__) || defined(__OpenBSD__)
 #include <GL/glx.h>
 #endif