#elif defined __FreeBSD__
return &context->uc_mcontext.mc_rflags;
#elif defined LISP_FEATURE_DARWIN
-#if defined __DARWIN_UNIX03
+#ifdef MAC_OS_X_VERSION_10_5
return &context->uc_mcontext->__ss.__rflags;
#else
return &context->uc_mcontext->ss.rflags;