From e087d97e22818de98a5574227fa87d0ef8cc2e96 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Thu, 19 Nov 2020 06:44:58 +0100
Subject: [PATCH] Fix building on Linux

---
 src/modems/hayes.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/modems/hayes.c b/src/modems/hayes.c
index d492eb3..87c6cb1 100644
--- a/src/modems/hayes.c
+++ b/src/modems/hayes.c
@@ -36,6 +36,7 @@
 
 
 #ifdef __linux__
+# define _XOPEN_SOURCE
 # include <sys/file.h>
 #endif
 #include <sys/stat.h>