diff --git a/wavpack.changes b/wavpack.changes
index 5ac2084..67af2cb 100644
--- a/wavpack.changes
+++ b/wavpack.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Apr 30 08:57:13 CEST 2010 - meissner@suse.de
+
+- buildrequire pkgconfig
+
 -------------------------------------------------------------------
 Thu Sep  4 13:35:36 CEST 2008 - sbrabec@suse.cz
 
diff --git a/wavpack.spec b/wavpack.spec
index bc2e200..5ca3b89 100644
--- a/wavpack.spec
+++ b/wavpack.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package wavpack (Version 4.50.1)
 #
-# Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2010 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,17 +19,18 @@
 
 
 Name:           wavpack
-License:        BSD 3-Clause
+License:        BSD3c
+BuildRequires:  pkgconfig
 Group:          Productivity/Multimedia/Sound/Editors and Convertors
 Url:            http://www.wavpack.com/
 Summary:        Free Hybrid Lossless Audio Compression Format
 Version:        4.50.1
-Release:        1
+Release:        9
 Source:         %{name}-%{version}.tar.bz2
 # Name used by third parties before openSUSE 10.3:
 Provides:       WavPack = %{version}-%{release}
 Requires:       libwavpack1 >= %{version}
-Obsoletes:      WavPack
+Obsoletes:      WavPack < %version
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -61,7 +62,7 @@ Authors:
     David Bryant <david@wavpack.com>
 
 %package -n libwavpack1
-License:        BSD 3-Clause
+License:        BSD3c
 Summary:        Free Hybrid Lossless Audio Compression Format
 Group:          System/Libraries
 
@@ -94,7 +95,7 @@ Authors:
     David Bryant <david@wavpack.com>
 
 %package devel
-License:        BSD 3-Clause
+License:        BSD3c
 Summary:        Free Hybrid Lossless Audio Compression Format
 Group:          Development/Libraries/C and C++
 Requires:       %{name} = %{version} glibc-devel
@@ -165,31 +166,3 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/pkgconfig/wavpack.pc
 
 %changelog
-* Thu Sep 04 2008 sbrabec@suse.cz
-- Updated to version 4.50.1:
-  * added dynamic noise shaping for improved hybrid quality
-  * added option to merge blocks of similar redundancy
-  * added ability to store and retrieve extra mode level
-  * improved bitrate calculation
-  * improved decoding of corrupt and nonconforming files
-  * added optimize storage of LossyWAV output files
-  * added transcoding API
-  * added metadata writing API
-  * added full Unicode support
-  * multichannel and 24-bit audio improvements
-  * portability and crash fixes
-* Mon Aug 13 2007 crrodriguez@suse.de
-- remove static libraries and useless libtool archive
-* Fri Jul 27 2007 sbrabec@suse.cz
-- Updated to version 4.41.0:
-  * bug fixes
-  * improvements
-  * new features
-  * new optimization code
-  * for complete list of changes see ChangeLog
-- Split package according to shared library packaging policy.
-* Thu Mar 29 2007 sbrabec@suse.cz
-- "comparison is always false" warnings fix (David Bryant).
-* Wed Mar 28 2007 sbrabec@suse.cz
-- New SuSE package, version 4.40.0, based on work of Toni Graffy
-  <toni@links2linux.de>.