From e06177a74f1e4314baf17c52f360dabcb78e69cd Mon Sep 17 00:00:00 2001
From: Moritz Warning <moritzwarning@web.de>
Date: Sun, 29 Nov 2020 19:45:36 +0100
Subject: [PATCH 7/8] add cerrno header for (str)errno

Fixes compilation under libcxx.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 osdep/LinuxNetLink.cpp | 2 ++
 1 file changed, 2 insertions(+)

--- a/osdep/LinuxNetLink.cpp
+++ b/osdep/LinuxNetLink.cpp
@@ -22,6 +22,8 @@
 #include <unistd.h>
 #include <linux/if_tun.h>
 
+#include <cerrno>
+
 #ifndef IFNAMSIZ
 #define IFNAMSIZ 16
 #endif