[Bug 2034758] Review Request: apptainer - new name for singularity

https://bugzilla.redhat.com/show_bug.cgi?id=2034758

--- Comment #24 from Maxwell G  ---
(In reply to Dave Dykstra from comment #23)
> But the documentation
> https://src.fedoraproject.org/rpms/redhat-rpm-config/blob/rawhide/f/
> buildflags.md says that %set_build_flags is automatically called before the
> %build step, so how would that help?

That is only valid for F36+ and above, so you should still add it.