From cf8a0c3d75005436d3ed3ea0ae258cdef5b10ebe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
Date: Mon, 14 Jan 2019 12:10:21 +0100
Subject: [PATCH] Use system glext.h
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mesa-18.2.6 changed GL_GLEXT_VERSION and that conflicts with the bundled
glext.h definitions. Use system glext.h instead via GL/gl.h.

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 include/SDL_opengl.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/SDL_opengl.h b/include/SDL_opengl.h
index 3d791d6..3a77b11 100644
--- a/include/SDL_opengl.h
+++ b/include/SDL_opengl.h
@@ -33,6 +33,8 @@
 #endif
 #include <windows.h>
 #endif
+/* mesa changes GL_GLEXT_VERSION, use system glext.h instead via GL/gl.h */
+#define NO_SDL_GLEXT
 #ifndef NO_SDL_GLEXT
 #define __glext_h_  /* Don't let gl.h include glext.h */
 #endif
-- 
2.17.2