diff --git a/tbb.changes b/tbb.changes
index cdffecd..2112195 100644
--- a/tbb.changes
+++ b/tbb.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Jan 29 01:33:25 UTC 2012 - jengelh@medozas.de
+
+- Remove redundant tags/sections per specfile guideline suggestions
+- Parallel building using %_smp_mflags
+
 -------------------------------------------------------------------
 Sun Aug 14 23:35:15 UTC 2011 - crrodriguez@opensuse.org
 
@@ -8,3 +14,36 @@ Wed Sep 16 11:09:37 CEST 2009 - meissner@suse.de
 
 - Reimport from Andi Kleens directory.
 
+-------------------------------------------------------------------
+Sat Sep  5 00:00:00 UTC 2009 - andi@firstfloor.org
+
+- update to 22_20090809oss, install machine/* includes
+
+-------------------------------------------------------------------
+Thu Sep 11 00:00:00 UTC 2008 - skh@suse.de
+
+- update to snapshot 21_20080825 (for details see CHANGES file in
+  package)
+- remove obsolete patch tbb-build.patch
+- split off libtbb2 and libtbbmalloc2 subpackages
+
+-------------------------------------------------------------------
+Wed Aug 13 00:00:00 UTC 2008 - ro@suse.de
+
+- add ExclusiveArch
+
+-------------------------------------------------------------------
+Mon Apr 28 00:00:00 UTC 2008 - skh@suse.de
+
+- update to source version tbb20_20080408oss_src
+
+-------------------------------------------------------------------
+Wed Feb 13 00:00:00 UTC 2008 - dmueller@suse.de
+
+- fix buildrequires
+
+-------------------------------------------------------------------
+Fri Feb  8 00:00:00 UTC 2008 - skh@suse.de
+
+- initial package from version 2.0, source version
+  tbb20_20080122oss_src
diff --git a/tbb.spec b/tbb.spec
index b718890..22874c5 100644
--- a/tbb.spec
+++ b/tbb.spec
@@ -15,16 +15,12 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# norootforbuild
-
-
 Name:           tbb
 BuildRequires:  gcc-c++
 %define sourcedir tbb30_20110704oss
 Url:            http://threadingbuildingblocks.org/
 License:        GPL v2 only
 Group:          Development/Libraries/C and C++
-AutoReqProv:    on
 Version:        30_20110704
 Release:        1.45
 Summary:        Threading Building Blocks (TBB)
@@ -46,7 +42,6 @@ mechanism for performance and scalability.
 
 
 %package -n libtbb2
-License:        GPL v2 only
 Group:          Development/Libraries/C and C++
 Summary:        Threading Building Blocks (TBB)
 Provides:       %{name} = %{version}
@@ -64,7 +59,6 @@ mechanism for performance and scalability.
 
 
 %package -n libtbbmalloc2
-License:        GPL v2 only
 Group:          Development/Libraries/C and C++
 Summary:        Threading Building Blocks (TBB)
 Provides:       %{name} = %{version}
@@ -82,7 +76,6 @@ mechanism for performance and scalability.
 
 
 %package devel
-License:        GPL v2 only
 Group:          Development/Libraries/C and C++
 Summary:        Threading Building Blocks (TBB)
 Requires:       /bin/sh, /bin/csh
@@ -107,7 +100,7 @@ This package contains the header files needed for development with tbb.
 %patch0
 
 %build
-gmake OPTFLAGS="$RPM_OPT_FLAGS"
+gmake OPTFLAGS="$RPM_OPT_FLAGS" %{?_smp_mflags}
 
 %install
 mkdir -p $RPM_BUILD_ROOT/%{_includedir}/%{name}/machine
@@ -122,9 +115,6 @@ pushd $RPM_BUILD_ROOT/%{_libdir}
   ln -s libtbbmalloc.so.2 libtbbmalloc.so
 popd
 
-%clean
-rm -rf $RPM_BUILD_ROOT
-
 %post -n libtbb2 -p /sbin/ldconfig
 
 %postun -n libtbb2 -p /sbin/ldconfig
@@ -156,19 +146,3 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/libtbbmalloc.so
 
 %changelog
-* Sat Sep  5 2009 andi@firstfloor.org
-- update to 22_20090809oss, install machine/* includes
-* Thu Sep 11 2008 skh@suse.de
-- update to snapshot 21_20080825 (for details see CHANGES file in
-  package)
-- remove obsolete patch tbb-build.patch
-- split off libtbb2 and libtbbmalloc2 subpackages
-* Wed Aug 13 2008 ro@suse.de
-- add ExclusiveArch
-* Mon Apr 28 2008 skh@suse.de
-- update to source version tbb20_20080408oss_src
-* Wed Feb 13 2008 dmueller@suse.de
-- fix buildrequires
-* Fri Feb  8 2008 skh@suse.de
-- initial package from version 2.0, source version
-  tbb20_20080122oss_src