diff --git a/bzip2.changes b/bzip2.changes
index d41c82e..927f953 100644
--- a/bzip2.changes
+++ b/bzip2.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Jan 21 19:15:09 UTC 2013 - jengelh@inai.de
+
+- Executing autoreconf requires autoconf
+- Set RPM groups to the common ones we use for library and
+  "-devel" packages
+
 -------------------------------------------------------------------
 Sun Feb 12 23:00:21 UTC 2012 - crrodriguez@opensuse.org
 
diff --git a/bzip2.spec b/bzip2.spec
index 8dfd6aa..a71605d 100644
--- a/bzip2.spec
+++ b/bzip2.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package bzip2
 #
-# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2013 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
@@ -19,21 +19,11 @@
 Name:           bzip2
 Version:        1.0.6
 Release:        0
-Provides:       bzip
-Obsoletes:      bzip
-BuildRequires:  libtool
-BuildRequires:  pkg-config
-# The following is a kludge to get updating bzip2 to after the split work
-PreReq:         libbz2-1
-# bug437293
-%ifarch ppc64
-Obsoletes:      bzip2-64bit
-%endif
-#
 Url:            http://www.bzip.org/
 Summary:        A Program for Compressing Files
 License:        BSD-3-Clause
 Group:          Productivity/Archiving/Compression
+
 Source:         bzip2-%{version}.tar.gz
 Source1:        bznew.gz
 Source2:        bznew.1.gz
@@ -46,6 +36,17 @@ Patch5:         bzip2-unsafe_strcpy.patch
 Patch6:         bzip2-point-to-doc-pkg.patch
 Patch7:         bzip2-ocloexec.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+BuildRequires:  autoconf >= 2.57
+BuildRequires:  libtool
+BuildRequires:  pkg-config
+# The following is a kludge to get updating bzip2 to after the split work
+PreReq:         libbz2-1
+# bug437293
+%ifarch ppc64
+Obsoletes:      bzip2-64bit
+%endif
+Provides:       bzip
+Obsoletes:      bzip
 
 %description
 The bzip2 program is a very powerful program for compressing files.
@@ -62,15 +63,16 @@ The bzip2 program and library documentation.
 
 %package -n libbz2-1
 Summary:        The bzip2 runtime library
-Group:          Productivity/Archiving/Compression
+Group:          System/Libraries
 
 %description -n libbz2-1
 The bzip2 runtime library
 
 %package -n libbz2-devel
 Summary:        The bzip2 runtime library development files
-Group:          Development/Libraries/Other
-Requires:       libbz2-1 = %{version} glibc-devel
+Group:          Development/Libraries/C and C++
+Requires:       glibc-devel
+Requires:       libbz2-1 = %{version}
 
 %description -n libbz2-devel
 The bzip2 runtime library development files.