Re: [gentoo-dev] Moving real multilib support into main tree portage with request for council decision

[Zac Medico]

Thomas Sachau wrote:
> Hi together,
>
> as announced in a previous mail, i created a fork of portage, which has support to create 32bit libs
> during compile phase for 64bit platforms (currently amd64 tested, ppc64 untested).
>
> In short, it does execute every src_* phase twice with keeping a workdir for every ABI and saving
> some default environment vars (like *FLAGS). Since the current ABI is the last one in this order,
> the 64bit phase will overwrite everthing from 32bit phase except those parts, which have a different
> install location, so mostly libs, which go in lib32 instead of lib64.
>
> A current ebuild and docs for using it are currently in the portage-multilib branch of the multilib
> overlay.
>
> I asked zmedico about inclusion into the main svn tree of portage, but he requested a council ok
> before he would be accepting it. So this is my request for discussion and ok (in tomorrows or the
> following meeting) from the council.

An important thing to note is that there are necessary changes to
emul-* ebuilds that are technically an EAPI change, since they won't
work with old package managers that don't have support for lib32 USE
 flags.
-- 
Thanks,
Zac