From a82b9845342d8325076600ba032d243b6befa7a3 Mon Sep 17 00:00:00 2001
From: Nigel Stewart <nigels@users.sourceforge.net>
Date: Sun, 23 Apr 2017 11:51:09 +1000
Subject: [PATCH] Add support for GLEW_INCLUDE to allow including glew.h from a
 custom location

---
 auto/src/glew_head.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/auto/src/glew_head.c b/auto/src/glew_head.c
index b8c6854..d153cde 100644
--- a/auto/src/glew_head.c
+++ b/auto/src/glew_head.c
@@ -1,4 +1,8 @@
+#ifndef GLEW_INCLUDE
 #include <GL/glew.h>
+#else
+#include GLEW_INCLUDE
+#endif
 
 #if defined(GLEW_OSMESA)
 #  define GLAPI extern