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To: gentoo-dev@g.o
From: Mike Frysinger <vapier@g.o>
Subject: Re: x32 fun pants
Date: Fri, 2 Dec 2011 15:54:09 -0500
progress update:
 - binutils-2.22 in ~arch should work fine
 - glibc-2.14.1-r1 in ~arch includes support when "x32" is in MULTILIB_ABIS
 - linux-headers-3.1 includes support when "x32" is in MULTILIB_ABIS
 - you'll still need gcc-4.7 from the toolchain overlay
 - a 3.1 kernel can be obtained here: https://github.com/hjl-tools/linux

the only problem is with bootstrapping.  there is no way atm to live migrate 
between multilibs on your system.  this isn't a new problem ... we've been 
punting all bugs where people try to go from MULTILIB_ABIS="amd64" to "x86 
amd64" on a live system.  same issue applies when adding "x32" to the list.

i've been contemplating how to address this, but so far, it seems like the 
easiest is to post a glibc binpkg which includes all possible ABIs and have 
people install that first.  then they should be able to install gcc/linux-
headers freely and rebuild glibc after that.
-mike
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Replies:
Re: x32 fun pants
-- Markos Chandras
Re: x32 fun pants
-- Mike Frysinger
Re: x32 fun pants
-- Samuli Suominen
References:
x32 fun pants
-- Mike Frysinger
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