From c83e3c33c55dd35cdc280b70c0220c1e617516c6 Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Wed, 20 Nov 2013 17:55:30 -0400
Subject: [PATCH] Fixed building as a universal binary on OS X (resolves issue
 #793)

---
 src/modules/graphics/opengl/GLee.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/modules/graphics/opengl/GLee.h b/src/modules/graphics/opengl/GLee.h
index dcbc098fe..45322b9e5 100644
--- a/src/modules/graphics/opengl/GLee.h
+++ b/src/modules/graphics/opengl/GLee.h
@@ -1056,9 +1056,15 @@ GLEE_EXTERN GLboolean _GLEE_SGIX_igloo_interface;
 #endif
 
 #ifndef GL_ARB_vertex_buffer_object
+	/* awful hack to work around issue with GLee and Mac OS 10.9's gltypes.h */
+#if defined(__APPLE__)
+	typedef long GLintptrARB;
+	typedef long GLsizeiptrARB;
+#else
 	typedef ptrdiff_t GLintptrARB;
 	typedef ptrdiff_t GLsizeiptrARB;
 #endif
+#endif
 
 #ifndef GL_ARB_shader_objects
 #if defined(__APPLE__)