".previous")
#define ADDED_IN_10_12(sym) WEAK_SYMBOL_LD_CMD(sym, 10.11)
+#define ADDED_IN_10_13(sym) WEAK_SYMBOL_LD_CMD(sym, 10.12)
ADDED_IN_10_12(getentropy);
ADDED_IN_10_12(timingsafe_bcmp);
+ADDED_IN_10_13(utimensat);
+
#endif /* TARGET_OS_IPHONE */