Your package nec2c failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6964122 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 904382 [details] build.log
Created attachment 904383 [details] root.log
Created attachment 904384 [details] state.log
Fixed broken conditional and rebuilt.