diff --git a/baselibs.conf b/baselibs.conf
index 057b887..9ceddba 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1 +1,3 @@
-libsigc++2
+libsigc-2_0-0
+  provides "libsigc++2-<targettype> = <version>"
+  obsoletes "libsigc++2-<targettype> <= <version>"
diff --git a/libsigc++2.changes b/libsigc++2.changes
index acceabe..939164a 100644
--- a/libsigc++2.changes
+++ b/libsigc++2.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Mon Oct 11 19:53:12 CEST 2010 - vuntz@opensuse.org
+
+- Update packaging to use the shared library packaging policy:
+  + Create libsigc-2_0-0 subpackage.
+  + Add Provides/Obsoletes for libsigc++2 to libsigc-2_0-0.
+  + Update baselibs.conf accordingly.
+
 -------------------------------------------------------------------
 Fri Jul 23 12:51:34 CEST 2010 - vuntz@opensuse.org
 
diff --git a/libsigc++2.spec b/libsigc++2.spec
index 0f69408..c10fee1 100644
--- a/libsigc++2.spec
+++ b/libsigc++2.spec
@@ -23,7 +23,8 @@ Name:           libsigc++2
 BuildRequires:  gcc-c++ pkg-config
 Version:        2.2.8
 Release:        1
-Group:          Development/Libraries/C and C++
+# NOTE: on upgrade to a new upstream version, change the Obsoletes from <= to < (here and in baselibs.conf)
+Group:          System/Libraries
 License:        LGPLv2.1+
 Summary:        Typesafe Signal Framework for C++
 Url:            http://libsigc.sourceforge.net/
@@ -40,11 +41,27 @@ callback to a class method, function, or function object. It contains
 adaptor classes for connection of dissimilar callbacks and has an ease
 of use unmatched by other C++ callback libraries.
 
+%package -n libsigc-2_0-0
+License:        LGPLv2.1+
+Group:          System/Libraries
+Summary:        Typesafe Signal Framework for C++
+Provides:       %{name} = %{version}
+# Note: we keep <= (and a rpmlint warning...) until we get a version higher than 2.2.8 (when this provides/obsoletes was introduced)
+Obsoletes:      %{name} <= %{version}
+
+%description -n libsigc-2_0-0
+This library implements a full callback system for use in widget
+libraries, abstract interfaces, and general programming. It is the most
+complete library of its kind with the ablity to connect an abstract
+callback to a class method, function, or function object. It contains
+adaptor classes for connection of dissimilar callbacks and has an ease
+of use unmatched by other C++ callback libraries.
+
 %package devel
 License:        LGPLv2.1+
 Group:          Development/Libraries/C and C++
 Summary:        Typesafe Signal Framework for C++
-Requires:       %{name} = %{version} libstdc++-devel
+Requires:       libsigc-2_0-0 = %{version} libstdc++-devel
 
 %description devel
 This library implements a full callback system for use in widget
@@ -75,18 +92,18 @@ rm -f %{buildroot}%{_libdir}/*.la
 %clean
 rm -rf $RPM_BUILD_ROOT
 
-%post -p /sbin/ldconfig
+%post -n libsigc-2_0-0 -p /sbin/ldconfig
 
-%postun -p /sbin/ldconfig
+%postun -n libsigc-2_0-0 -p /sbin/ldconfig
 
-%files
+%files -n libsigc-2_0-0
 %defattr (-, root, root)
 %doc AUTHORS COPYING ChangeLog NEWS README TODO
-%{_libdir}/*.so.*
+%{_libdir}/libsigc-2.0.so.*
 
 %files devel
 %defattr (-, root, root)
-%{_libdir}/*.so
+%{_libdir}/libsigc-2.0.so
 %{_libdir}/pkgconfig/*.pc
 %{_libdir}/sigc++-2.0
 %{_includedir}/sigc++-2.0/