Changelog for compat-glibc-headers-2.12-4.el7.centos.x86_64.rpm :

* Fri Jun 27 2014 Johnny Hughes - 1:2.12-4.el7.centos- Change Branding in the spec file
* Fri Jan 24 2014 Daniel Mach - 1:2.12-4- Mass rebuild 2014-01-24
* Tue Jan 07 2014 Siddhesh Poyarekar - 1:2.12-3- Fix namespace conflict with Altivec (#1048853).
* Fri Dec 27 2013 Daniel Mach - 1:2.12-2- Mass rebuild 2013-12-27
* Fri Jul 19 2013 Jeff Law - 1:2.12-1.80.5- Backport timezone/zic.c change to avoid overflow in oadd (#883974)
* Tue May 28 2013 Jeff Law - 1:2.12-1.80.4- Fix passing of -z execstack to the linker.- Remove -mnew-mnenomics from PPC build flags- Pull over patch for 911307 from Fedora
* Mon May 20 2013 Jeff Law - 1:2.12-1.80.3- Add -z execstack to command line for building DSOs in dummylib.sh (#883974)
* Wed Jan 02 2013 Jeff Law - 1:2.12-1.80.2- Backport change to avoid strict-aliasing problems in md5.c (#883974)
* Wed Jun 13 2012 Daniel Mach - 1:2.12-1.80.1- add missing epoch to Requires: in headers package
* Fri Jun 08 2012 Jeff Law - 1:2.12-1.80- changed into compatibility package