Your package ember failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6958885 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 904204 [details] build.log
Created attachment 904205 [details] root.log
Created attachment 904206 [details] state.log
Requires cegui 0.7.x, but rawhide is now at 0.8.3. The pkgconfig file names are different, as are the API/ABI.
I am on it. New Ember requires CEGUI 0.8.x.
Filipe Rosset fixed this with http://koji.fedoraproject.org/koji/buildinfo?buildID=539341 kudos!