From 5b402cee2da923942fcd4fad42aaebd1185c9c17 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 7 Nov 2025 11:04:27 -0800
Subject: [PATCH] Allow building without glu.h by defining NO_SDL_GLU
Reference: https://github.com/libsdl-org/sdl12-compat/issues/358
---
include/SDL_opengl.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/SDL_opengl.h b/include/SDL_opengl.h
index 163872a6..4c73f63e 100644
--- a/include/SDL_opengl.h
+++ b/include/SDL_opengl.h
@@ -38,14 +38,20 @@
#endif
#if defined(__MACOSX__)
#include <OpenGL/gl.h> /* Header File For The OpenGL Library */
+#ifndef NO_SDL_GLU
#include <OpenGL/glu.h> /* Header File For The GLU Library */
+#endif
#elif defined(__MACOS__)
#include <gl.h> /* Header File For The OpenGL Library */
+#ifndef NO_SDL_GLU
#include <glu.h> /* Header File For The GLU Library */
+#endif
#else
#include <GL/gl.h> /* Header File For The OpenGL Library */
+#ifndef NO_SDL_GLU
#include <GL/glu.h> /* Header File For The GLU Library */
#endif
+#endif
#ifndef NO_SDL_GLEXT
#undef __glext_h_
#undef __gl_glext_h_