Changelog for ghc-system-fileio-0.3.11-2.el7.x86_64.rpm :

* Sat Jun 07 2014 Fedora Release Engineering - 0.3.11-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
* Sun Jul 21 2013 Jens Petersen - 0.3.11-1- description
* Sun Jul 21 2013 Fedora Haskell SIG - 0.3.11-0- spec file generated by cabal-rpm-0.8.3