[Fedora-packaging] How important is %{_libdir} to arch-specific but non-multilib packages

[Bill Nottingham]

Toshio Kuratomi (a.badger at gmail.com) said: 
> > Personally, the more i think about it, the more it feels right and makes
> > sense to allow this.  In essence, one can consider non-multilib'd
> > %_prefix/lib and %_libexecdir content to be equal policy-wise.
> 
> I've thought of one technical thing that is lost if we allow this but it
> may not be that important.  Currently a sysadmin could install packages on
> an x86 and then mount the /usr/lib directory on both x86 and x86_64
> systems.  This is similar to the rationale the FHS uses for splitting
> /usr/share/ from %{_libdir}.  It isn't in the FHS, though, so we aren't
> required to to keep this feature.

This implies sharing /usr/lib separate from /usr/libexec, /usr/bin, and
so on... I think that's pretty far into the fringe of use cases, and not
something we really need to support.

Bill