- CFStringRef collationOrder = (CFStringRef)CFPreferencesCopyValue(CFSTR("AppleCollationOrder"), kCFPreferencesAnyApplication, kCFPreferencesCurrentUser, kCFPreferencesAnyHost);
+#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !OS(IPHONE_OS)
+ RetainPtr<CFLocaleRef> currentLocale(AdoptCF, CFLocaleCopyCurrent());
+ CFStringRef collationOrder = (CFStringRef)CFLocaleGetValue(currentLocale.get(), kCFLocaleCollatorIdentifier);
+#else
+ RetainPtr<CFStringRef> collationOrderRetainer(AdoptCF, (CFStringRef)CFPreferencesCopyValue(CFSTR("AppleCollationOrder"), kCFPreferencesAnyApplication, kCFPreferencesCurrentUser, kCFPreferencesAnyHost));
+ CFStringRef collationOrder = collationOrderRetainer.get();
+#endif