[Fedora-i18n-bugs] [Bug 965914] "/usr/bin/fcitx4-config" of fcitx-libs are preventing install fcitx-libs.i686 with fcitx-libs.x86_64

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=965914

--- Comment #8 from Robin Lee  ---
(In reply to Dan Horák from comment #7)
> (In reply to Robin Lee from comment #5)
> > (In reply to Parag from comment #4)
> > > As expected from not applying multilib patch,
> > >
> > > Transaction check error:
> > >   file /usr/bin/fcitx4-config conflicts between attempted installs of
> > > fcitx-devel-4.2.7-4.fc19.x86_64 and fcitx-devel-4.2.7-4.fc19.i686
> >
> > It is more common that -devel packages conflict between multiarch. And we
> > cannot break cross-compiling when people build i686 program on x86_64 host.
>
> devel (and lib) packages must be multilib safe, without any file conflicts

Any guideline for this 'must'?