From 9c35035a40dcfe8786b5f394fedf15418c682468 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 18 Apr 2020 22:42:09 +0200
Subject: [PATCH] Fix build with gcc-10

-fno-common is now the default, so keep only one definition of the
variable.
---
 log.c | 2 ++
 log.h | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/log.c b/log.c
index 1ecf6c8..f60b374 100644
--- a/log.c
+++ b/log.c
@@ -33,6 +33,8 @@
 #include "options.h"
 #include "log.h"
 
+FILE *logfile;
+
 extern struct spd_options options;
 
 void LOG(int level, char *format, ...)
diff --git a/log.h b/log.h
index 23fc2f6..bce8dba 100644
--- a/log.h
+++ b/log.h
@@ -22,7 +22,7 @@
 #ifndef LOG_H
 #define LOG_H
 
-FILE *logfile;
+extern FILE *logfile;
 
 void LOG(int level, char *format, ...);
 #define FATAL(status, format...) { LOG(0, format); exit(status); }