diff -aruN a/CFLocale.c b/CFLocale.c
--- a/CFLocale.c	2009-02-22 21:56:00.000000000 -0800
+++ b/CFLocale.c	2012-04-20 12:14:07.061605103 -0700
@@ -223,6 +223,19 @@
     WindowsLocales = CFArrayCreate(kCFAllocatorSystemDefault, (const void**)s_WindowsInstalledLocales, s_num_installed_localesI, &kCFTypeArrayCallBacks);
     return (WindowsLocales);
 }
+#elif DEPLOYMENT_TARGET_LINUX
+static CFStringRef __CFLocaleCopyPOSIXLocaleName(void)
+{
+    const char *p = NULL;
+    CFStringRef identifier = NULL;
+
+    p = getenv("LC_ALL");
+
+    if (NULL == p) p = getenv("LANG");
+    if (NULL != p) identifier = CFStringCreateWithCString(kCFAllocatorDefault, p, kCFStringEncodingASCII);
+
+    return (identifier);
+}
 #endif // DEPLOYMENT_TARGET_WINDOWS
 
 static Boolean __CFLocaleEqual(CFTypeRef cf1, CFTypeRef cf2) {
@@ -335,6 +348,8 @@
 
 #ifdef DEPLOYMENT_TARGET_WINDOWS
     identifier = __CFLocaleWindowsLCIDToISOLocaleName(LOCALE_USER_DEFAULT);
+#elif DEPLOYMENT_TARGET_LINUX
+    identifier = __CFLocaleCopyPOSIXLocaleName();
 #endif 
 
     struct __CFLocale *locale;