From b407e9290c6ce2ef69f4949f0cb04f8be3770eea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Tue, 11 Apr 2017 17:50:41 +0200
Subject: text: do not redefine _GNU_SOURCE

Fix #536
---
 text.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/text.c b/text.c
index 134d507..bc0be04 100644
--- a/text.c
+++ b/text.c
@@ -1,4 +1,6 @@
-#define _GNU_SOURCE // memrchr(3) is non-standard
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE /* memrchr(3) is non-standard */
+#endif
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
-- 
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