From 5740003e06f0c585460501514f3352f5e105c98c Mon Sep 17 00:00:00 2001
From: Herbert Valerio Riedel <hvr@gnu.org>
Date: Thu, 3 Dec 2015 22:25:13 +0100
Subject: Simplify code via AC_USE_SYSTEM_EXTENSIONS

`AC_USE_SYSTEM_EXTENSIONS` takes care of defining feature_test_macros(7)
thereby allowing us to remove a few manual `#define`s
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index c63b45b..8738680 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,8 +1,11 @@
 AC_INIT([Haskell unix package], [2.0], [libraries@haskell.org], [unix])
+AC_PREREQ([2.60])
 
 # Safety check: Ensure that we are in the correct source directory.
 AC_CONFIG_SRCDIR([include/HsUnix.h])
 
+AC_USE_SYSTEM_EXTENSIONS
+
 AC_ARG_WITH([cc],
             [C compiler],
             [CC=$withval])
-- 
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