Index: uspace/lib/posix/fnmatch.h
===================================================================
--- uspace/lib/posix/fnmatch.h	(revision be64a84e3d8370a54bebb7e2f5d16922cc432b61)
+++ uspace/lib/posix/fnmatch.h	(revision f246c81cab070e50f9f2bf7be27419863f9fda6c)
@@ -36,21 +36,27 @@
 #define POSIX_FNMATCH_H_
 
-#define POSIX_FNM_NOMATCH 1
-#define POSIX_FNM_PATHNAME 1
-#define POSIX_FNM_PERIOD 2
-#define POSIX_FNM_NOESCAPE 4
+/* Error Values. */
+#undef FNM_NOMATCH
+#define FNM_NOMATCH 1
+
+/* Flags */
+#undef FNM_PATHNAME
+#undef FNM_PERIOD
+#undef FNM_NOESCAPE
+#define FNM_PATHNAME 1
+#define FNM_PERIOD 2
+#define FNM_NOESCAPE 4
+
+/* GNU Extensions */
+#undef FNM_FILE_NAME
+#undef FNM_LEADING_DIR
+#undef FNM_CASE_FOLD
+#define FNM_FILE_NAME FNM_PATHNAME
+#define FNM_LEADING_DIR 8
+#define FNM_CASE_FOLD 16
 
 extern int posix_fnmatch(const char *pattern, const char *string, int flags);
 
 #ifndef LIBPOSIX_INTERNAL
-	#undef FNM_NOMATCH
-	#undef FNM_PATHNAME
-	#undef FNM_PERIOD
-	#undef FNM_NOESCAPE
-	#define FNM_NOMATCH POSIX_FNM_NOMATCH
-	#define FNM_PATHNAME POSIX_FNM_PATHNAME
-	#define FNM_PERIOD POSIX_FNM_PERIOD
-	#define FNM_NOESCAPE POSIX_FNM_NOESCAPE
-	
 	#define fnmatch posix_fnmatch
 #endif