SDL: add SDL_DISABLE_MMX to SDL_build_config.h.cmake

SDL Commits
1 
From 99b8313eb19516ca8a33a69819c85de2762b6ffb Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Mon, 27 Feb 2023 01:23:14 +0100
Subject: [PATCH] add SDL_DISABLE_MMX to SDL_build_config.h.cmake

---
 include/build_config/SDL_build_config.h.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/build_config/SDL_build_config.h.cmake b/include/build_config/SDL_build_config.h.cmake
index 568e6c6a59b0..9197c94c3f93 100644
--- a/include/build_config/SDL_build_config.h.cmake
+++ b/include/build_config/SDL_build_config.h.cmake
@@ -591,5 +591,6 @@ typedef unsigned int uintptr_t;
 #cmakedefine SDL_DISABLE_SSE2 1
 #cmakedefine SDL_DISABLE_SSE3 1
 #cmakedefine SDL_DISABLE_AVX 1
+#cmakedefine SDL_DISABLE_MMX 1
 
 #endif /* SDL_build_config_h_ */