Changelog for ghc-libffi-devel-0.1-3.el7.x86_64.rpm :

* Sat Aug 03 2013 Fedora Release Engineering - 0.1-3- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
* Tue Jul 02 2013 Jens Petersen - 0.1-2- add missing _isa in devel requires base pkg (#980123)
* Mon Jul 01 2013 Jens Petersen - 0.1-1- pkgconfig(libffi) should be sufficient for libffi
* Mon Jul 01 2013 Fedora Haskell SIG - 0.1-0- spec file generated by cabal-rpm-0.8.1