Commit 53a6196b32f134c9dc9ff62fdfb3db45175bb094
2019-04-23T16:57:34
Don't redefine __SSE__ and related macros if they're already defined
diff --git a/include/SDL_cpuinfo.h b/include/SDL_cpuinfo.h
index c24c964..07ac196 100644
--- a/include/SDL_cpuinfo.h
+++ b/include/SDL_cpuinfo.h
@@ -41,11 +41,19 @@
#else
#include <intrin.h>
#ifndef _WIN64
+#ifndef __MMX__
#define __MMX__
+#endif
+#ifndef __3dNOW__
#define __3dNOW__
#endif
+#endif
+#ifndef __SSE__
#define __SSE__
+#endif
+#ifndef __SSE2__
#define __SSE2__
+#endif
#endif /* __clang__ */
#elif defined(__MINGW64_VERSION_MAJOR)
#include <intrin.h>