--- include/u.h.orig	2014-02-20 11:27:46.943079375 -0600
+++ include/u.h	2014-02-20 11:27:54.126195603 -0600
@@ -38,9 +38,6 @@
 #		define __MAKECONTEXT_V2_SOURCE 1
 #	endif
 #endif
-#define _BSD_SOURCE 1
-#define _NETBSD_SOURCE 1	/* NetBSD */
-#define _SVID_SOURCE 1
 #if !defined(__APPLE__) && !defined(__OpenBSD__)
 #	define _XOPEN_SOURCE 1000
 #	define _XOPEN_SOURCE_EXTENDED 1