Backport patch: to fix gcc 10, global variable without extern

libcomps.spec

@@ -14,13 +14,14 @@
 
 Name:           libcomps
 Version:        0.1.14
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Comps XML file manipulation library
 
 License:        GPLv2+
 URL:            https://github.com/rpm-software-management/libcomps
 Source0:        %{url}/archive/%{name}-%{version}/%{name}-%{version}.tar.gz
 Patch0:         gcc10.patch
+Patch1:         remove-unused-global-variable-missing-extern.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  cmake
@@ -193,6 +194,9 @@ popd
 %endif
 
 %changelog
+* Fri Jan 31 2020 Ales Matej <amatej@redhat.com> - 0.1.14-4
+- Fix global header variable defined without extern for gcc-10
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.14-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 

remove-unused-global-variable-missing-extern.patch

@@ -0,0 +1,30 @@
+From 3237f44ba7e4712653b64b36cc58b74d2d56d14f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ale=C5=A1=20Mat=C4=9Bj?= <amatej@redhat.com>
+Date: Wed, 29 Jan 2020 09:08:34 +0100
+Subject: [PATCH] Remove unused global variable UnfoObjListIt (RhBug:1793424)
+
+This global header file variable wasn't declared using extern keyword
+which was causing problems with gcc 10 (gcc 10 no longer ignores this
+error).
+
+https://bugzilla.redhat.com/show_bug.cgi?id=1793424
+---
+ libcomps/src/comps_objlist.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libcomps/src/comps_objlist.h b/libcomps/src/comps_objlist.h
+index 0fcd48b..1d19167 100644
+--- a/libcomps/src/comps_objlist.h
++++ b/libcomps/src/comps_objlist.h
+@@ -34,7 +34,7 @@ typedef struct COMPS_ObjListIt COMPS_ObjListIt;
+ struct COMPS_ObjListIt {
+     COMPS_Object *comps_obj;
+     COMPS_ObjListIt *next;
+-} UnfoObjListIt;
++};
+ 
+ 
+ /** COMPS_Object derivate representing category element in comps.xml structure*/
+-- 
+2.25.0
+