Adapted POSIX feature defines to be equal to other places
@@ -2,7 +2,7 @@
* See http://creativecommons.org/publicdomain/zero/1.0/ for more information. */
/* Enable POSIX features */
-#ifndef _XOPEN_SOURCE
+#if !defined(_XOPEN_SOURCE) && !defined(_WRS_KERNEL)
# define _XOPEN_SOURCE 600
#endif
#ifndef _DEFAULT_SOURCE