diff --git a/baselibs.conf b/baselibs.conf
index 4f0dece..4239941 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1,4 +1,4 @@
-fftw3
-fftw3-threads
-fftw3-omp
-fftw3-mpi
+libfftw3-3
+libfftw3_threads3
+libfftw3_omp3
+libfftw3_mpi3
diff --git a/fftw3.changes b/fftw3.changes
index 35eaaff..ec18695 100644
--- a/fftw3.changes
+++ b/fftw3.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Nov 21 17:45:00 UTC 2011 - jengelh@medozas.de
+
+- Remove redundant/unwanted tags/section (cf. specfile guidelines)
+- Employ shlib naming (fftw3 -> libfftw3)
+
 -------------------------------------------------------------------
 Sun Oct  9 17:48:50 UTC 2011 - adrian@suse.de
 
diff --git a/fftw3.spec b/fftw3.spec
index 003e71f..2416a2e 100644
--- a/fftw3.spec
+++ b/fftw3.spec
@@ -15,7 +15,6 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# norootforbuild
 
 
 Name:           fftw3
@@ -27,7 +26,7 @@ License:        GPLv2+
 Group:          Productivity/Scientific/Math
 Source:         fftw-%{version}.tar.bz2
 # Patch:          fftw-%{version}.diff
-Url:            http://www.fftw.org
+URL:            http://www.fftw.org
 AutoReqProv:    on
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Requires(pre):  %install_info_prereq
@@ -39,7 +38,6 @@ data, and of arbitrary input size.
 
 
 %package devel
-License:        GPLv2+
 Summary:        Include Files and Libraries mandatory for Development
 Group:          Development/Libraries/C and C++
 Requires:       fftw3 = %{version} glibc-devel
@@ -49,24 +47,35 @@ Provides:       fftw-devel
 This package contains all necessary include files and libraries needed
 to develop applications that require these.
 
+%package -n libfftw3-3
+Summary:        Discrete Fourier Transform (DFT) C Subroutine Library
+Group:          System/Libraries
+# Remove Prov/Obs when appropriate; were added 2011-Nov-21 (post-openSUSE-12.1)
+Provides:       fftw3 = %version-%release
+Obsoletes:      fftw3 < %version-%release
 
-%package threads
-License:        GPLv2+
+%description -n libfftw3-3
+FFTW is a C subroutine library for computing the Discrete Fourier
+Transform (DFT) in one or more dimensions, of both real and complex
+data, and of arbitrary input size.
+
+%package -n libfftw3_threads3
 Summary:        Discrete Fourier Transform (DFT) C subroutine library
 Group:          Productivity/Scientific/Math
-Requires:       fftw3 = %{version}
+# libfftw3_threads.so does not have a DT_NEEDED entry for fftw symbols, since it
+# may be used with either libfftw3.so or libfftw3f.so. Hence, manual Requires.
+Requires:       libfftw3-3 = %version
 
-%description threads
+%description -n libfftw3_threads3
 FFTW is a C subroutine library for computing the Discrete Fourier
 Transform (DFT) in one or more dimensions, of both real and complex
 data, and of arbitrary input size.
 
 
 %package threads-devel
-License:        GPLv2+
 Summary:        Discrete Fourier Transform (DFT) C subroutine library
 Group:          Development/Libraries/C and C++
-Requires:       fftw3-threads = %{version}
+Requires:       libfftw3_threads3 = %version
 Requires:       fftw3-devel = %{version} glibc-devel
 
 %description threads-devel
@@ -75,23 +84,22 @@ Transform (DFT) in one or more dimensions, of both real and complex
 data, and of arbitrary input size.
 
 
-%package openmp
-License:        GPLv2+
+%package -n libfftw3_omp3
 Summary:        Discrete Fourier Transform (DFT) C subroutine library
 Group:          Productivity/Scientific/Math
-Requires:       fftw3 = %{version}
+# Same as libfftw3_threads.so: manual Requires for fftw3 main lib
+Requires:       libfftw3-3 = %version
 
-%description openmp
+%description -n libfftw3_omp3
 FFTW is a C subroutine library for computing the Discrete Fourier
 Transform (DFT) in one or more dimensions, of both real and complex
 data, and of arbitrary input size.
 
 
 %package openmp-devel
-License:        GPLv2+
 Summary:        Discrete Fourier Transform (DFT) C subroutine library
 Group:          Development/Libraries/C and C++
-Requires:       fftw3-openmp = %{version}
+Requires:       libfftw3_omp3 = %{version}
 Requires:       fftw3-devel = %{version} glibc-devel
 
 %description openmp-devel
@@ -100,24 +108,23 @@ Transform (DFT) in one or more dimensions, of both real and complex
 data, and of arbitrary input size.
 
 
-%package mpi
-License:        GPLv2+
+%package -n libfftw3_mpi3
 Summary:        Discrete Fourier Transform (DFT) C subroutine library
 Group:          Productivity/Scientific/Math
-Requires:       fftw3 = %{version}
+# Same as libfftw3_threads.so: manual Requires for fftw3 main lib
+Requires:       libfftw3-3 = %version
 Requires:       openmpi
 
-%description mpi
+%description -n libfftw3_mpi3
 FFTW is a C subroutine library for computing the Discrete Fourier
 Transform (DFT) in one or more dimensions, of both real and complex
 data, and of arbitrary input size.
 
 
 %package mpi-devel
-License:        GPLv2+
 Summary:        Discrete Fourier Transform (DFT) C subroutine library
 Group:          Development/Libraries/C and C++
-Requires:       fftw3-mpi = %{version}
+Requires:       libfftw3_mpi3 = %{version}
 Requires:       fftw3-devel = %{version} glibc-devel
 Requires:       openmpi-devel
 
@@ -167,29 +174,26 @@ find doc -name 'Makefile*' | xargs rm
 %post devel
 %install_info --info-dir=%{_infodir} %{_infodir}/fftw3.info.gz
 
-%post -p /sbin/ldconfig
+%post -n libfftw3-3 -p /sbin/ldconfig
 
-%postun -p /sbin/ldconfig
+%postun -n libfftw3-3 -p /sbin/ldconfig
 
-%post threads -p /sbin/ldconfig
+%post -n libfftw3_threads3 -p /sbin/ldconfig
 
-%postun threads -p /sbin/ldconfig
+%postun -n libfftw3_threads3 -p /sbin/ldconfig
 
-%post openmp -p /sbin/ldconfig
+%post -n libfftw3_omp3 -p /sbin/ldconfig
 
-%postun openmp -p /sbin/ldconfig
+%postun -n libfftw3_omp3 -p /sbin/ldconfig
 
-%post mpi -p /sbin/ldconfig
+%post -n libfftw3_mpi3 -p /sbin/ldconfig
 
-%postun mpi -p /sbin/ldconfig
+%postun -n libfftw3_mpi3 -p /sbin/ldconfig
 
-%clean
-test "$RPM_BUILD_ROOT" != "/" -a -d "$RPM_BUILD_ROOT" && rm -rf $RPM_BUILD_ROOT
-
-%files
+%files -n libfftw3-3
 %defattr(-,root,root)
-%{_libdir}/libfftw3.so.*
-%{_libdir}/libfftw3f.so.*
+%{_libdir}/libfftw3.so.3*
+%{_libdir}/libfftw3f.so.3*
 
 %files devel
 %defattr(-,root,root)
@@ -203,30 +207,30 @@ test "$RPM_BUILD_ROOT" != "/" -a -d "$RPM_BUILD_ROOT" && rm -rf $RPM_BUILD_ROOT
 %{_libdir}/pkgconfig/*.pc
 %{_bindir}/*
 
-%files threads
+%files -n libfftw3_threads3
 %defattr(-,root,root)
-%{_libdir}/libfftw3_threads.so.*
-%{_libdir}/libfftw3f_threads.so.*
+%{_libdir}/libfftw3_threads.so.3*
+%{_libdir}/libfftw3f_threads.so.3*
 
 %files threads-devel
 %defattr(-,root,root)
 %{_libdir}/libfftw3_threads.so
 %{_libdir}/libfftw3f_threads.so
 
-%files openmp
+%files -n libfftw3_omp3
 %defattr(-,root,root)
-%{_libdir}/libfftw3_omp.so.*
-%{_libdir}/libfftw3f_omp.so.*
+%{_libdir}/libfftw3_omp.so.3*
+%{_libdir}/libfftw3f_omp.so.3*
 
 %files openmp-devel
 %defattr(-,root,root)
 %{_libdir}/libfftw3_omp.so
 %{_libdir}/libfftw3f_omp.so
 
-%files mpi
+%files -n libfftw3_mpi3
 %defattr(-,root,root)
-%{_libdir}/libfftw3_mpi.so.*
-%{_libdir}/libfftw3f_mpi.so.*
+%{_libdir}/libfftw3_mpi.so.3*
+%{_libdir}/libfftw3f_mpi.so.3*
 
 %files mpi-devel
 %defattr(-,root,root)