diff --git a/diffutils.changes b/diffutils.changes
index f971e58..679dac6 100644
--- a/diffutils.changes
+++ b/diffutils.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Feb  4 09:29:27 UTC 2016 - mpluskal@suse.com
+
+- Make building more verbose
+- Move info page removal to preun
+- Cleanup spec file with spec-cleaner
+- Update provides/obsoletes
+
 -------------------------------------------------------------------
 Mon Jul  6 10:13:58 UTC 2015 - coolo@suse.com
 
diff --git a/diffutils.spec b/diffutils.spec
index cbeaf91..d64bc6e 100644
--- a/diffutils.spec
+++ b/diffutils.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package diffutils
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,24 +17,23 @@
 
 
 Name:           diffutils
-Url:            http://www.gnu.org/software/diffutils/
-Provides:       diff
-Obsoletes:      diff
-PreReq:         %{install_info_prereq}
 Version:        3.3
 Release:        0
 Summary:        GNU diff Utilities
 License:        GFDL-1.2 and GPL-3.0+
 Group:          Productivity/Text/Utilities
-Source:         http://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz
-Source1:        http://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz.sig
+Url:            https://www.gnu.org/software/diffutils/
+Source0:        https://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz
+Source1:        https://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz.sig
 # http://savannah.gnu.org/project/memberlist-gpgkeys.php?group=diffutils
-Source2:        %name.keyring
+Source2:        %{name}.keyring
 Patch0:         gnulib-perl522.patch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-# will be check by source service
-#BuildRequires:  gpg-offline
 BuildRequires:  xz
+Requires(pre):  %{install_info_prereq}
+Requires(preun): %{install_info_prereq}
+Provides:       diff = %{version}
+Obsoletes:      diff < %{version}
+BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 The GNU diff utilities find differences between files. diff is used to
@@ -45,22 +44,22 @@ make source code patches, for instance.
 %patch0 -p1
 
 %build
-export CFLAGS="%optflags -fPIE"
+export CFLAGS="%{optflags} -fPIE"
 export LDFLAGS="-pie"
 %configure
-make %{?_smp_mflags}
+make %{?_smp_mflags} V=1
 
 %check
-make check
+make %{?_smp_mflags} check
 
 %install
-%makeinstall
+make DESTDIR=%{buildroot} install %{?_smp_mflags}
 gzip -9 %{buildroot}%{_infodir}/%{name}.info
 
 %post
 %install_info --info-dir=%{_infodir} %{_infodir}/%{name}.info.gz
 
-%postun
+%preun
 %install_info_delete --info-dir=%{_infodir} %{_infodir}/%{name}.info.gz
 
 %files
@@ -70,7 +69,10 @@ gzip -9 %{buildroot}%{_infodir}/%{name}.info
 %{_bindir}/diff
 %{_bindir}/diff3
 %{_bindir}/sdiff
-%doc %{_infodir}/%{name}.info.gz
-%doc %{_mandir}/man1/*.gz
+%{_infodir}/diffutils.info.*
+%{_mandir}/man1/cmp.1%{ext_man}
+%{_mandir}/man1/diff.1%{ext_man}
+%{_mandir}/man1/diff3.1%{ext_man}
+%{_mandir}/man1/sdiff.1%{ext_man}
 
 %changelog