fix bug #5216: SDL_opengl.h: define __gl_glext_h_ along with __glext_h_.

newer mesa header guard is __gl_glext_h_. partially fixes bug #5216.
libsdl-org · Jul 4, 2020 · 5c01b86 · 5c01b86
1 parent b67a1d4
commit 5c01b86
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/include/SDL_opengl.h b/include/SDL_opengl.h
@@ -35,6 +35,7 @@
 #endif
 #ifndef NO_SDL_GLEXT
 #define __glext_h_  /* Don't let gl.h include glext.h */
+#define __gl_glext_h_  /* Don't let gl.h include glext.h */
 #endif
 #if defined(__MACOSX__)
 #include <OpenGL/gl.h>	/* Header File For The OpenGL Library */
@@ -48,6 +49,7 @@
 #endif
 #ifndef NO_SDL_GLEXT
 #undef __glext_h_
+#undef __gl_glext_h_
 #endif
 
 /** @name GLext.h