Le 03/04/2012 15:02, Helmut Grohne a écrit :
Package: src:eglibc
Version: 2.13-27
Severity: normal
Tags: upstream
Blocks: 667005
gcc-4.7 and binutils (2.22) already provide support for the x32 abi. The
missing piece to producing x32 binaries is a c library. Patches are
available at git://github.com/hjl-tools/glibc.git. An aspect that makes
supporting x32 more difficult is that glibc is currently compiled using
gcc-4.4 whereas the x32 abi requires at least gcc-4.7. Switching
compiler version is not a lightly taken decision and especially not this
late in the freeze process. I estimate the diff between 2.13 and
2.13+x32 to be around 202 files changed, 3967 insertions, 218 deletions,
and 568 modifications.
This is not possible until gcc provide libgcc in x32 version. There is
kind of a deadlock there.
Due to the ongoing multiarch transition another question should be
asked: Should the new package be libc6-x32:amd64 or libc6:x32?
I don't think we should add yet another bi-arch package, but go for a
new architecture, so libc6:x32. Anyway /lib32 is already taken by i386
on amd64, so it's not possible to install x32 in this directory.
The best way to have that is therefore to start a new x32 architecture,
but that's clearly too late for wheezy.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurel...@aurel32.net http://www.aurel32.net
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