Don't conflict with glext.h if it's already been included

14d78bb0 · Sam Lantinga · dc22c27a · 14d78bb0
Commit 14d78bb0 authored Dec 01, 2010 by Sam Lantinga
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SDL_opengl.h include/SDL_opengl.h +4 -0

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--- a/include/SDL_opengl.h
+++ b/include/SDL_opengl.h
@@ -38,6 +38,10 @@
 #endif
 #include <windows.h>
 #endif
+#ifdef __glext_h_
+/* Someone has already included glext.h */
+#define NO_SDL_GLEXT
+#endif
 #ifndef NO_SDL_GLEXT
 #define __glext_h_              /* Don't let gl.h include glext.h */
 #endif