From 3c2481dc33e5ba72e5b820f05242275f745abf9a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <adrien@gallouet.fr>
Date: Fri, 10 Feb 2017 15:13:05 +0000
Subject: [PATCH] Allow undefined TUNSETPERSIST

---
 src/tun.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tun.c b/src/tun.c
index eaceea8..cd88ab1 100644
--- a/src/tun.c
+++ b/src/tun.c
@@ -265,5 +265,9 @@ tun_set_mtu(char *dev_name, int mtu)
 int
 tun_set_persist(int fd, int on)
 {
+#ifdef TUNSETPERSIST
     return ioctl(fd, TUNSETPERSIST, on);
+#else
+    return 0;
+#endif
 }