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To: gentoo-dev@g.o
From: Mike Frysinger <vapier@g.o>
Subject: Re: x32 fun pants
Date: Thu, 8 Dec 2011 17:11:17 -0500
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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References:
x32 fun pants
-- Mike Frysinger
Re: x32 fun pants
-- Mike Frysinger
Re: x32 fun pants
-- Markos Chandras
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Updated Jun 29, 2012

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