On Wed, 2009-03-25 at 17:47 +0100, Fabian Groffen wrote:

> > You can't expect $D to be available in depend phase/source time, so ED
> > will be wrong.  I think especially Paludis will be strict in this, I was
> > told Portage just exports it, but that's luck.
> > 
> > See PMS, page 63.  ROOT is actually also a problem since it is defined
> > only to be available in pkg_*.  That leaves us with EPREFIX.
> 
> Alternative is to get EPREFIX, ED and EROOT in EAPI=3, which is just as
> preparation for Prefix.  Then with prefix.eclass, we can just require
> EAPI=3.  That sucks too.

In EAPI<3 we could go with $ROOT$EPREFIX, $D$EPREFIX,
and in EAPI>=3 with $EROOT, $ED ?

So prefix.eclass would just need to do this in global-scope:

        [[ ${EPREFIX+set} = 'set' ]] || export EPREFIX=''

/haubi/
-- 
Michael Haubenwallner
Gentoo on a different level