El sáb, 22-09-2012 a las 22:37 +0200, Michał Górny escribió:
> On Sat, 22 Sep 2012 21:41:24 +0200
> Pacho Ramos <pacho@gentoo.org> wrote:
> 
> > Hello
> > 
> > This comes from:
> > http://www.gossamer-threads.com/lists/gentoo/dev/260536
> > 
> > In that one, we try to use the following:
> > has vala ${IUSE//+/} && ! use vala && return 0 
> 
> Just please stop repeating the random broken snippet and use `in_iuse`
> from eutils.eclass. That one is correct at least.
> 

Sorry, I forget about it when I sent the message (was thinking most on
specifying the way to catch USEs by PMs and I referred to the command
used in some eclasses). Obviously, I would try to use function from
eutils.eclass :)