From cedb7e7123df3511eb77f8946abfda6850a19861 Mon Sep 17 00:00:00 2001
From: Tobias Markus <tobbi.bugs@googlemail.com>
Date: Sat, 28 Mar 2015 16:56:51 +0100
Subject: [PATCH] Fix glVertexAttribDivisor redefinition warning

---
 src/graphics/gl_headers.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/graphics/gl_headers.hpp b/src/graphics/gl_headers.hpp
index 2542fa7a6..0e18a316d 100644
--- a/src/graphics/gl_headers.hpp
+++ b/src/graphics/gl_headers.hpp
@@ -13,6 +13,9 @@ extern "C" {
 #    include <OpenGL/gl3.h>
 #    define OGL32CTX
 #    ifdef GL_ARB_instanced_arrays
+#        ifdef glVertexAttribDivisor
+#            undef glVertexAttribDivisor
+#        endif
 #        define glVertexAttribDivisor glVertexAttribDivisorARB
 #    endif
 #    ifndef GL_TEXTURE_SWIZZLE_RGBA