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Fixed bug 2568 - NO_SDL_GLEXT should prevent OS glext.h as well 

J?rgen Tjern?

If you #define NO_SDL_GLEXT before including SDL_opengl.h, it still includes the platform-provided glext.h. The comments indicate that this define is intended to be used when you provide your own glext.h (quote from SDL_opengl.h: "Define this if you have your own version of glext.h and want to disable the version included in SDL_opengl.h.")

This is a problem because glext.h depends on the contents of gl.h, and it's practical to let SDL_opengl.h pick the right #include for gl.h for our platform.
This commit is contained in:
Sam Lantinga 2014-06-15 17:37:35 -07:00
parent 2a082c07f6
commit 175b343ee6
1 changed files with 3 additions and 3 deletions
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6
include/SDL_opengl.h
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@ -45,8 +45,8 @@
#ifdef __glext_h_
/* Someone has already included glext.h */
#define NO_SDL_GLEXT
#endif
#ifndef NO_SDL_GLEXT
#else
#define _SDL_CLEAR_GLEXT_HEADERGUARD
#define __glext_h_ /* Don't let gl.h include glext.h */
#endif
#if defined(__MACOSX__)
@ -55,7 +55,7 @@
#else
#include <GL/gl.h> /* Header File For The OpenGL Library */
#endif
#ifndef NO_SDL_GLEXT
#ifdef _SDL_CLEAR_GLEXT_HEADERGUARD
#undef __glext_h_
#endif