remove useless provides for xlator .so files and private libraries

xlator .so files and private libraries should be skipped while scanning
for provides:
- https://fedoraproject.org/wiki/Packaging:AutoProvidesAndRequiresFiltering

This prevents automatic generated provides like these in the glusterfs,
glustrefs-fuse and glusterfs-server packages:
- addr.so.0()(64bit)
- afr.so.0()(64bit)
- client.so.0()(64bit)
- dht.so.0()(64bit)
- ...

glusterfs.spec

@@ -146,6 +146,16 @@ Provides:         %{name}-libs = %{version}-%{release}
 Provides:         %{name}-common = %{version}-%{release}
 Provides:         %{name}-core = %{version}-%{release}
 
+# We do not want to generate useless provides for xlator .so files
+# TODO: RHEL5 does not have a convenient solution
+%if 0%{?rhel} == 6
+    # filter_setup exists in RHEL6 only
+    %filter_provides_in %{_libdir}/glusterfs/%{version}/
+    %filter_setup
+%else
+    # modern rpm and current Fedora
+    %global __provides_exclude_from ^%{_libdir}/glusterfs/%{version}/.*$
+%endif
 
 %description
 GlusterFS is a clustered file-system capable of scaling to several
@@ -1222,6 +1232,9 @@ fi
 
 
 %changelog
+* Mon Apr 15 2013 Niels de Vos <devos@fedoraproject.org>
+- Remove useless provides for xlator .so files and private libraries
+
 * Wed Apr 10 2013 Kaleb S. KEITHLEY <kkeithle[at]redhat.com> - 3.4.0-0.1alpha2
 - prerelease 3.4.0alpha2 for oVirt/vdsm dependencies in Fedora19