kc3-lang/SDL

diff --git a/include/SDL_egl.h b/include/SDL_egl.h
index 62bc0b4..d00b26f 100644
--- a/include/SDL_egl.h
+++ b/include/SDL_egl.h
@@ -24,7 +24,7 @@
  *
  *  This is a simple file to encapsulate the EGL API headers.
  */
-#if !defined(_MSC_VER) && !defined(__ANDROID__)
+#if !defined(_MSC_VER) && !defined(__ANDROID__) && !defined(SDL_USE_BUILTIN_OPENGL_DEFINITIONS)
 
 #if defined(__vita__) || defined(__psp2__)
 #include <psp2/types.h>
@@ -1676,5 +1676,4 @@ EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeNV (void);
 
 #endif /* __eglext_h_ */
 
-
 #endif /* _MSC_VER */
diff --git a/include/SDL_opengles2.h b/include/SDL_opengles2.h
index ce114ae..876e965 100644
--- a/include/SDL_opengles2.h
+++ b/include/SDL_opengles2.h
@@ -26,7 +26,7 @@
  */
 #include "SDL_config.h"
 
-#ifndef _MSC_VER
+#if !defined(_MSC_VER) && !defined(SDL_USE_BUILTIN_OPENGL_DEFINITIONS)
 
 #ifdef __IPHONEOS__
 #include <OpenGLES/ES2/gl.h>