Fix building dibbler package with GCC-10

dibbler-1.0.1-fno-common.patch

@@ -0,0 +1,40 @@
+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;
+ 

dibbler.spec

@@ -9,12 +9,12 @@ granting) autoconfiguration for IPv6.
  
 Name:		dibbler
 Version:	1.0.1
-Release:	1%{?dist}
+Release:	2
 Summary:	Portable DHCPv6 implementation
- 
 License:	GPLv2
 URL:		https://github.com/tomaszmrugalski/dibbler
 Source0:        http://klub.com.pl/dhcpv6/dibbler/dibbler-%{version}.tar.gz
+Patch0:         dibbler-1.0.1-fno-common.patch
  
 BuildRequires:  gcc-c++
 %description
@@ -73,7 +73,7 @@ This package contains dibbler documentation.
  
  
 %prep
-%setup -q -n dibbler-%{version}
+%autosetup -n dibbler-%{version} -p1
  
  
 %build
@@ -152,6 +152,9 @@ done
 %{_pkgdocdir}/scripts/*
 
 %changelog
+* Fri Aug 06 2021 liusheng <liusheng2048@gmail.com> - 1.0.1-2
+- Fix building with GCC-10
+
 * Tue Feb 23 2021 liusheng <liusheng2048@gmail.com>
 - Initial package