Commit c5035d8ffdf45a2bbadf81a7095fa681009f8149
2023-02-04T02:44:10
include: add comment documenting the change(s) to SDL_opengl_glext.h
diff --git a/include/SDL_opengl_glext.h b/include/SDL_opengl_glext.h
index bdd3efb..f5da65d 100644
--- a/include/SDL_opengl_glext.h
+++ b/include/SDL_opengl_glext.h
@@ -1,3 +1,6 @@
+// SDL modified the include guard to be compatible with Mesa and Apple include guards:
+// - Mesa uses: __gl_glext_h_
+// - Apple uses: __glext_h_
#if !defined(__glext_h_) && !defined(__gl_glext_h_)
#define __glext_h_ 1
#define __gl_glext_h_ 1