Re: [gentoo-embedded] busybox and virtuals (editor, pager etc.)

[Mike Frysinger]

On Wednesday 22 July 2009 09:55:55 Christian Affolter wrote:
> >>>> However if I perform an emerge world:
> >>>> PORTAGE_CONFIGROOT=[...] ROOT=[...] emerge world -vp
> >>>>
> >>>> Portage wants to merge:
> >>>> virtual/editor-0
> >>>>   app-editors/nano
> >>>>
> >>>> virtual/pager-0
> >>>>   sys-apps/less
> >>>>
> >>>> I have enabled less and vi in my busybox, therefore I don't want to
> >>>> install an "external" pager and editor.
> >>>
> >>> use the profile's package.provided then
> >>
> >> Yes, that's what I do at the moment... However it would be much nicer if
> >> the powerful gentoo use and dependency system could be used for this.
> >>
> >> Furthermore BusyBox init-scripts (for crond, syslogd etc.) could be
> >> installed according to the enabled use-flags, rather than manually.
> >
> > With as many features as busybox supports this could get out of control
> > quickly with USE= flags for per-options.
>
> That's true. On the other hand, providing use-flags only for existing
> virtuals (for example cron, syslog, tar, pager, editor etc.), should
> avoid an overblown use-list. In addition ebuilds such as php or apache
> also come with a fair amount of use flags (which is really handy, in my
> opinion).

once conditionalized PROVIDE support is released in portage, that is pretty 
easy to do.
PROVIDE="moo? ( virtual/moo )
	foo? ( virtual/foo )
	etc..."
-mike