From 4c075c8c5e0e3c118233f4ac57f5ea0ff7a6fd91 Mon Sep 17 00:00:00 2001
From: tueddy <d.carstensen@pixelplanet.de>
Date: Thu, 4 Apr 2024 09:53:25 +0200
Subject: [PATCH] Fix natsort.c:29: warning: "_GNU_SOURCE" redefined #14

---
 natsort.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/natsort.c b/natsort.c
index 0fc55a4..0db8653 100644
--- a/natsort.c
+++ b/natsort.c
@@ -26,7 +26,9 @@
  * 2003-03-18: Add --reverse option, from Alessandro Pisani.
  */
 
-#define _GNU_SOURCE
+#ifndef _GNU_SOURCE
+     #define _GNU_SOURCE
+#endif 
 
 #include <stdio.h>
 #include <stdlib.h>