From ac035e9dc81f8415c052b9313fe2a8199977eb08 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Sat, 11 Aug 2018 16:55:07 +0200
Subject: util.time: Allow for already set constant

---
 util-src/time.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/util-src/time.c b/util-src/time.c
index 789833d9..bfad52ee 100644
--- a/util-src/time.c
+++ b/util-src/time.c
@@ -1,4 +1,6 @@
+#ifndef _POSIX_C_SOURCE
 #define _POSIX_C_SOURCE 199309L
+#endif
 
 #include <time.h>
 #include <lua.h>
-- 
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