From 9b78e14dfb891e3f53685e284bc9d5e3bf25f5a6 Mon Sep 17 00:00:00 2001
From: Bernhard Walle <bernhard@bwalle.de>
Date: Mon, 18 Jun 2012 01:51:26 +0200
Subject: build system: fix build of kconfig on Darwin

Of course busybox cannot be used on Darwin (Mac OS X), but it can be
cross-compiled for Linux there. Cross-compilation still requires kconfig
to be built as native host tool.

Signed-off-by: Bernhard Walle <bernhard@bwalle.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 scripts/kconfig/mconf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index d3f69f8f5..1b0b6ab07 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -9,6 +9,8 @@
  */
 
 #define _XOPEN_SOURCE 700
+/* On Darwin, this may be needed to get SIGWINCH: */
+#define _DARWIN_C_SOURCE 1
 
 #include <sys/ioctl.h>
 #include <sys/wait.h>
-- 
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