--- src/types.h.orig
+++ src/types.h
@@ -172,7 +172,7 @@ typedef uint64_t uint64;
   #define MDFN_COLD __attribute__((cold))
   #define MDFN_HOT __attribute__((hot))
 
-  #if MDFN_CLANG_VERSION >= MDFN_MAKE_CLANGV(3,6,0)
+  #if (!defined(__apple_build_version__) && MDFN_CLANG_VERSION >= MDFN_MAKE_CLANGV(3,6,0)) || MDFN_CLANG_VERSION >= MDFN_MAKE_CLANGV(6,1,0)
    #define MDFN_ASSUME_ALIGNED(p, align) ((decltype(p))__builtin_assume_aligned((p), (align)))
   #else
    #define MDFN_ASSUME_ALIGNED(p, align) (p)