From ab80b4bfa717049da3d8fb21cd4560fced6f5baf Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Tue, 25 May 2021 10:48:56 +0100
Subject: X11: Do not override _POSIX_C_SOURCE if already defined

---
 src/x11.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/x11.c b/src/x11.c
index d7ac4a5..bd7d808 100644
--- a/src/x11.c
+++ b/src/x11.c
@@ -16,7 +16,9 @@
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
-#define _POSIX_C_SOURCE 199309L
+#ifndef _POSIX_C_SOURCE
+#  define _POSIX_C_SOURCE 199309L
+#endif
 
 #include "x11.h"
 
-- 
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