Gentoo Archives: gentoo-dev

From: Mike Frysinger <vapier@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] x32 fun pants
Date: Thu, 08 Dec 2011 23:06:45
In Reply to: Re: [gentoo-dev] x32 fun pants by Markos Chandras
On Thursday 08 December 2011 16:40:58 Markos Chandras wrote:
> On 12/08/2011 09:34 PM, Mike Frysinger wrote: > > On Thursday 08 December 2011 16:29:15 Markos Chandras wrote: > >> On 12/08/2011 09:22 PM, Mike Frysinger wrote: > >>> the releases will include all 3 ABIs (which only affects > >>> gcc/glibc in terms of overhead). if people want to use x32 > >>> with less other ABIs, then i think the expected use case will > >>> be for them to set MULTILIB_ABIS in their make.conf: > >>> /etc/make.conf:MULTILIB_ABIS="x32" > >> > >> What happens if all three ABIS are set in MULTILIB_ABIS? What > >> would be the default ABI for compiled binaries? > > > > default ABI is controlled by $DEFAULT_ABI. the order of > > $MULTILIB_ABIS does not matter anywhere. > > Doh! Right I forgot. I guess we need to create a quick draft and put > it in amd64 project page. At least the MULTILIB_ABIS variable may be > useful for people who want to try that or a quick HowTo on how to live > migrate from amd64 to x32 ABIS and vice versa.
i want to hold off on that until i commit biarch support, and then verify the upgrade path actually works :) -mike


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