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Date: Fri, 31 Aug 2012 11:12:44 -0400
From: Alexis Ballier <aballier@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] EJOBS variable for EAPI 5? (was: [RFC] Create a
 JOBS variable to replace -jX in MAKEOPTS)
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On Fri, 31 Aug 2012 15:45:21 +0100
Ciaran McCreesh <ciaran.mccreesh@googlemail.com> wrote:

> On Fri, 31 Aug 2012 10:21:15 +0200
> Ulrich Mueller <ulm@gentoo.org> wrote:
> > Coming back to this old topic [1]. Is there still consensus that we
> > should have such an EJOBS variable? (It shouldn't be called JOBS
> > because this name is too generic, see the old discussion.) Then we
> > could add it to EAPI 5.
> > 
> > Ulrich
> > 
> > [1]
> > <http://archives.gentoo.org/gentoo-dev/msg_750e33f68b16d971dff1f40dd9145e56.xml>
> 
> If we're doing this, do we tell users to stop setting MAKEOPTS for
> EAPIs 5 and greater?

How can this work ? I cant think of any simple solution.

> Do we change the name of MAKEOPTS for EAPIs 5 and
> greater instead? Do we put fancy code in the package mangler to deal
> with it?

IMHO EAPI-5 compliant PMs should do MAKEOPTS="$MAKEOPTS -j$EJOBS" for
every EAPI; using EJOBS from ebuilds/eclasses is allowed only in EAPI 5
and greater.
This is retroactive but could be classified 'PM internals' so its fine
imho.

People using such a PM and not reading the news will get the old
MAKEOPTS which will still work with makefile based build systems but
will get serial builds for e.g. EAPI5 ebuilds + waf based build systems.
Not a very big deal.

A.