From 08dc66a5253430ed2a46c25040fab2e3cfb13fba Mon Sep 17 00:00:00 2001
From: "Dirk-Jan C. Binnema" <djcb@djcbsoftware.nl>
Date: Fri, 14 Jan 2022 17:10:16 +0200
Subject: [PATCH] mu-utils: Fix compiler warning

---
 lib/utils/mu-utils.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/utils/mu-utils.cc b/lib/utils/mu-utils.cc
index e641450d..2c2e86c6 100644
--- a/lib/utils/mu-utils.cc
+++ b/lib/utils/mu-utils.cc
@@ -17,7 +17,10 @@
 **  02110-1301, USA.
 */
 
+#ifndef _XOPEN_SOURCE
 #define _XOPEN_SOURCE
+#endif /*_XOPEN_SOURCE*/
+
 #include <time.h>
 
 #define GNU_SOURCE