From c93cd81a3372f50fb5b5c8b8668536c125dce463 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Wed, 16 Mar 2011 12:06:32 -0400
Subject: [PATCH] define feature test macro

---
 Touch.hsc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Touch.hsc b/Touch.hsc
index 689c58765f..f0c4debb33 100644
--- a/Touch.hsc
+++ b/Touch.hsc
@@ -22,6 +22,10 @@ import Foreign.C
 #include <sys/stat.h>
 #include <fcntl.h>
 
+#ifndef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE >= 200809L
+#endif
+
 data TimeSpec = TimeSpec CTime CLong
 
 instance Storable TimeSpec where