Your package compat-gcc-296 failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6946290 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 903807 [details] build.log
Created attachment 903808 [details] root.log
Created attachment 903809 [details] state.log
Created attachment 912943 [details] Omit -fstack-protector-strong and -Werror=format-security (#992079, #1106075) Attaching patch for rawhide. Successful scratch build: http://koji.fedoraproject.org/koji/taskinfo?taskID=7084897
Created attachment 912963 [details] Omit default optflags not supported by gcc-2.96 (#992079, #1106075) This also omits -grecord-gcc-switches. Scratch build: http://koji.fedoraproject.org/koji/taskinfo?taskID=7085141
compat-gcc-296-2.96-146 is in f21.