Changelog for php5-bitset-2.0.1-1.1.x86_64.rpm :

* Fri Jan 29 2016 pgajdosAATTsuse.com- provides php-bitset symbol
* Tue Jan 12 2016 pgajdosAATTsuse.com- update to 2.0.1
* Mon Aug 17 2009 crrodriguezAATTnovell.com- use macros
* Tue Oct 02 2007 crrodriguezAATTsuse.de- needs -fno-strict-aliasing