Apparently, though unproven, at 09:58 on Friday 29 October 2010, Fatih Tümen 
did opine thusly:

> On Thu, Oct 28, 2010 at 21:21, Neil Bothwick <[email protected]> wrote:
> > On Thu, 28 Oct 2010 18:11:42 +0300, Fatih Tümen wrote:
> >> I agree putting -hal is not a good idea unless you dare to break the
> >> packages that need hal. But I think there is a third option here
> > 
> > Packages that need hal won't have a hal use flag.
> 
> True, not every package that needs hal has hal use flag. I should have
> made clear that my implication was those which have (optional)
> dependency on hal && (thus) has hal flag. For packages that need hal
> it doesn't matter whether you have -hal in your make.conf anyway, does
> it?

Correct.

Something that requires hal will (should?) have it as an unconditional DEPEND.
USE is only for optional features.

-- 
alan dot mckinnon at gmail dot com

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