From 6f15782cb7d559f1d7e66351a0216048693c9aac Mon Sep 17 00:00:00 2001
From: Tomek Mrugalski <tomek@isc.org>
Date: Thu, 23 Jul 2020 23:41:25 +0200
Subject: [PATCH] Fixed compatibility with gcc-10

---
 Port-linux/interface.c | 4 ++++
 Port-linux/interface.h | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Port-linux/interface.c b/Port-linux/interface.c
index 3e239d3a..18777e91 100644
--- a/Port-linux/interface.c
+++ b/Port-linux/interface.c
@@ -43,6 +43,10 @@
 #include <linux/sockios.h>
 #include <linux/if_ether.h>
 
+int interface_auto_up = 0;
+int interface_do_message = 0;
+
+
 void daemon_log(int loglevel, const char *fmt,...)
 {
     char buf[255];
diff --git a/Port-linux/interface.h b/Port-linux/interface.h
index e986eed3..7c4a54d5 100644
--- a/Port-linux/interface.h
+++ b/Port-linux/interface.h
@@ -23,8 +23,8 @@
 extern "C" {
 #endif
 
-int interface_auto_up;
-int interface_do_message;
+extern int interface_auto_up;
+extern int interface_do_message;
 
 typedef enum { IFSTATUS_UP, IFSTATUS_DOWN, IFSTATUS_ERR } interface_status_t;