--- src/pcre/sljit/slgitConfigInternal.h
+++ src/pcre/sljit/slgitConfigInternal.h
@@ -198,9 +198,9 @@
 
 /* Not required to implement on archs with unified caches. */
 #define SLJIT_CACHE_FLUSH(from, to)
 
-#elif defined __APPLE__
+#elif defined __APPLE__ && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050
 
 /* Supported by all macs since Mac OS 10.5.
    However, it does not work on non-jailbroken iOS devices,
    although the compilation is successful. */