From a08a81c6b40dcf07e786b67e5015fc91a44333ca Mon Sep 17 00:00:00 2001
From: "Ondrej Zajicek (work)" <santiago@crfreenet.org>
Date: Wed, 20 Jul 2016 15:31:25 +0200
Subject: [PATCH] Netlink: Fix build with older headers missing IFA_FLAGS

---
 sysdep/linux/netlink.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c
index f6cedbd8..fa9013bd 100644
--- a/sysdep/linux/netlink.c
+++ b/sysdep/linux/netlink.c
@@ -38,6 +38,10 @@
 #define MSG_TRUNC 0x20
 #endif
 
+#ifndef IFA_FLAGS
+#define IFA_FLAGS 8
+#endif
+
 #ifndef IFF_LOWER_UP
 #define IFF_LOWER_UP 0x10000
 #endif