From c4318389ac5372aa59cb2f4b34cd13939879c6cf Mon Sep 17 00:00:00 2001
From: Andrew Wilcox <AWilcox@Wilcox-Tech.com>
Date: Sun, 5 Jul 2015 14:37:48 -0500
Subject: [PATCH] Add _XOPEN_SOURCE_EXTENDED definition in WATCH8BIT

This is required for POSIX correctness (see
http://lists.gnu.org/archive/html/bug-ncurses/2011-07/msg00004.html),
and additionally is required for building procps against the musl C
library.
---
 watch.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/watch.c b/watch.c
index 40beacad..de46730c 100644
--- a/watch.c
+++ b/watch.c
@@ -49,6 +49,7 @@
 #include <time.h>
 #include <unistd.h>
 #ifdef WITH_WATCH8BIT
+# define _XOPEN_SOURCE_EXTENDED 1
 # include <wchar.h>
 # include <wctype.h>
 # include <ncursesw/ncurses.h>