Changelog for libpx0-0.6.3-lp155.5.159.x86_64.rpm :

* Sun Jan 29 2012 jengelhAATTmedozas.de- Remove redundant tags/sections per specfile guideline suggestions- Parallel building using %_smp_mflags- Enable pkgconfig provides- Add autotools buildrequires for factory/12.2
* Mon Oct 12 2009 crrodriguezAATTopensuse.org- use fno-strict-aliasing
* Tue Oct 06 2009 crrodriguezAATTopensuse.org- support GCC visibility