From bb94db1fea4aeb1e7593c748b8f174c183c46170 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 25 Dec 1997 17:44:08 +0000
Subject: [PATCH] (_GNU_SOURCE): Define only if not already defined.

---
 lib/getline.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/getline.c b/lib/getline.c
index ba05abb73a..c028c6581b 100644
--- a/lib/getline.c
+++ b/lib/getline.c
@@ -1,6 +1,6 @@
 /* getline.c -- Replacement for GNU C library function getline
 
-Copyright (C) 1993, 1996 Free Software Foundation, Inc.
+Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License as
@@ -24,7 +24,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
 
 /* The `getdelim' function is only declared if the following symbol
    is defined.  */
-#define _GNU_SOURCE	1
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+
 #include <stdio.h>
 #include <sys/types.h>
 
-- 
2.30.2