From f46c4b11002f1acaa2c4a6315b0c17357ffbca43 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Wed, 22 May 2013 01:36:37 -0400
Subject: [PATCH] Patched to compile with older glext.h that don't have
 GL_NUM_EXTENSIONS.

---
 src/video/SDL_video.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index bf72cf89c..8023b8536 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -2392,6 +2392,9 @@ SDL_GL_ExtensionSupported(const char *extension)
             return SDL_FALSE;
         }
 
+        #ifndef GL_NUM_EXTENSIONS
+        #define GL_NUM_EXTENSIONS 0x821D
+        #endif
         glGetIntegervFunc(GL_NUM_EXTENSIONS, &num_exts);
         for (i = 0; i < num_exts; i++) {
             const char *thisext = (const char *) glGetStringiFunc(GL_EXTENSIONS, i);