--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/zsh/patches/xpg7.patch	Tue Nov 12 15:48:30 2013 -0800
@@ -0,0 +1,10 @@
+--- zsh-4.3.17/configure.orig	Thu Aug 11 11:09:05 2011
++++ zsh-4.3.17/configure	Tue Nov 12 15:47:19 2013
+@@ -7520,7 +7520,6 @@
+ else
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+-#define _POSIX_C_SOURCE 200809L
+ #include <sys/types.h>
+ #include <signal.h>
+ int