From 4a0d48fc7cfeff351c91e795ca458c4dcf230344 Mon Sep 17 00:00:00 2001
From: Dillon Cower <dcower@google.com>
Date: Sat, 27 Aug 2016 16:52:16 -0700
Subject: [PATCH] Fix wglGetProcAddress-related crash on Windows with NOGDI
 defined

---
 auto/src/wglew_head.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/auto/src/wglew_head.h b/auto/src/wglew_head.h
index df88503..794d70a 100644
--- a/auto/src/wglew_head.h
+++ b/auto/src/wglew_head.h
@@ -12,6 +12,14 @@
 #  ifndef WIN32_LEAN_AND_MEAN
 #    define WIN32_LEAN_AND_MEAN 1
 #  endif
+/*
+ * If NOGDI is defined, wingdi.h won't be included by windows.h, and thus
+ * wglGetProcAddress won't be declared. It will instead be implicitly declared
+ * incorrectly, which we don't want.
+ */
+#  if defined(NOGDI)
+#    undef NOGDI
+#  endif
 #include <windows.h>
 #  undef WIN32_LEAN_AND_MEAN
 #endif