owfs: Fix build with -fno-common

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-filesystems/recipes-filesystems/owfs/owfs/0001-Fix-compilation-with-GCC10.patch

@@ -0,0 +1,44 @@
+From a812202d22a2861318b8e39f1cd74cd222f8e76f Mon Sep 17 00:00:00 2001
+From: "Azamat H. Hackimov" <azamat.hackimov@gmail.com>
+Date: Tue, 9 Jun 2020 11:30:38 +0300
+Subject: [PATCH] Fix compilation with GCC10
+
+Fixed compilation with -fno-common, which enabled in GCC 10 by default.
+See https://bugs.gentoo.org/707438.
+
+Upstream-Status: Backport [https://github.com/owfs/owfs/pull/62]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ module/owserver/src/c/owserver.c       | 2 ++
+ module/owserver/src/include/owserver.h | 2 +-
+ 2 files changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/module/owserver/src/c/owserver.c b/module/owserver/src/c/owserver.c
+index db29988e..2ed29161 100644
+--- a/module/owserver/src/c/owserver.c
++++ b/module/owserver/src/c/owserver.c
+@@ -36,6 +36,8 @@
+ 
+ #include "owserver.h"
+ 
++pthread_mutex_t persistence_mutex ;
++
+ /* --- Prototypes ------------ */
+ static void SetupAntiloop(int argc, char **argv);
+ 
+diff --git a/module/owserver/src/include/owserver.h b/module/owserver/src/include/owserver.h
+index 8be582f0..a257ed02 100644
+--- a/module/owserver/src/include/owserver.h
++++ b/module/owserver/src/include/owserver.h
+@@ -18,7 +18,7 @@
+ #include "ow.h"
+ #include "ow_connection.h"
+ 
+-pthread_mutex_t persistence_mutex ;
++extern pthread_mutex_t persistence_mutex ;
+ #define PERSISTENCELOCK    _MUTEX_LOCK(   persistence_mutex ) ;
+ #define PERSISTENCEUNLOCK  _MUTEX_UNLOCK( persistence_mutex ) ;
+ 
+-- 
+2.28.0
+

meta-filesystems/recipes-filesystems/owfs/owfs_3.2p3.bb

@@ -12,6 +12,7 @@ DEPENDS = "fuse virtual/libusb0"
 SRCREV = "3744375dfaa350e31c9b360eb1e1a517bbeb5c47"
 SRC_URI = "git://github.com/owfs/owfs \
            file://0001-Add-build-rule-for-README.patch \
+           file://0001-Fix-compilation-with-GCC10.patch \
            file://owhttpd \
            file://owserver \
            "