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From a48b0b1cd887d7f3ae67f525d7d334bd2feffe60 Mon Sep 17 00:00:00 2001
From: Alexander Tsoy <alexander@tsoy.me>
Date: Tue, 28 Jan 2020 22:21:01 +0300
Subject: [PATCH] Fix build with -fno-common

GCC 10 defaults to -fno-common
---
 src/util.c | 3 +++
 src/util.h | 6 +++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/util.c b/src/util.c
index a82a1a4..6a52ebf 100644
--- a/src/util.c
+++ b/src/util.c
@@ -47,6 +47,9 @@ int hxl = 0;
 #ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
 MUTEX(x11Mutex);
 MUTEX(scrollMutex);
+MUTEX(clientMutex);
+MUTEX(inputMutex);
+MUTEX(pointerMutex);
 #endif
 
 int nfix(int i, int n);
diff --git a/src/util.h b/src/util.h
index 35c1afd..99b5dd1 100644
--- a/src/util.h
+++ b/src/util.h
@@ -102,9 +102,9 @@ extern struct timeval _mysleep;
 #ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
 extern MUTEX(x11Mutex);
 extern MUTEX(scrollMutex);
-MUTEX(clientMutex);
-MUTEX(inputMutex);
-MUTEX(pointerMutex);
+extern MUTEX(clientMutex);
+extern MUTEX(inputMutex);
+extern MUTEX(pointerMutex);
 #endif
 
 #define X_INIT INIT_MUTEX(x11Mutex)
-- 
2.24.1