From 084126b03f29b33ab3e657c66e8c6a439f27f8e1 Mon Sep 17 00:00:00 2001
From: Harald Geyer <harald@ccbib.org>
Date: Mon, 10 Feb 2020 13:15:10 +0100
Subject: [PATCH] Fix compilation with GCC >= 10.x

Starting with GCC >= 10.x, -fno-common is used as default
instead of -fcommon. This patch fixes the compilation.

Closes: #148

Suggested-by: Conrad Kostecki <conrad@kostecki.com>
Signed-off-by: Harald Geyer <harald@ccbib.org>

[Retrieved from:
https://github.com/lcdproc/lcdproc/commit/084126b03f29b33ab3e657c66e8c6a439f27f8e1]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 clients/lcdproc/iface.c | 1 +
 clients/lcdproc/iface.h | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/clients/lcdproc/iface.c b/clients/lcdproc/iface.c
index 40e50cb7..1ac355bd 100644
--- a/clients/lcdproc/iface.c
+++ b/clients/lcdproc/iface.c
@@ -32,6 +32,7 @@
 #define UNSET_INT -1
 #define UNSET_STR "\01"
 
+IfaceInfo iface[MAX_INTERFACES];
 
 static int iface_count = 0;	/* number of interfaces */
 static char unit_label[10] = "B";	/* default unit label is Bytes */
diff --git a/clients/lcdproc/iface.h b/clients/lcdproc/iface.h
index cc6dbaaf..c1bd6b5b 100644
--- a/clients/lcdproc/iface.h
+++ b/clients/lcdproc/iface.h
@@ -18,7 +18,7 @@
 /** max number of interfaces in multi-interface mode */
 #define MAX_INTERFACES 3
 
-IfaceInfo iface[MAX_INTERFACES];	/* interface info */
+extern IfaceInfo iface[MAX_INTERFACES];	/* interface info */
 
 /** Update screen content */
 int iface_screen(int rep, int display, int *flags_ptr);