Description of problem: There is now a canonical way to disable fortification, see "Fortification level" in the build flags guide: https://src.fedoraproject.org/rpms/redhat-rpm-config/blob/rawhide/f/buildflags.md#source-fortification This way, one doesn't need to mess with RPM_OPT_FLAGS to do this. The usage in perl-Coro seems pointless for Fedora since there's no supported arm32 anymore, but I'll send a PR anyway.