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Message-ID: <52E97075.4030306@gentoo.org>
Date: Wed, 29 Jan 2014 16:19:49 -0500
From: "Anthony G. Basile" <blueness@...too.org>
To: gentoo-embedded@...ts.gentoo.org, gentoo-hardened@...ts.gentoo.org,
musl@...ts.openwall.com
Subject: yet another alternative libc
Hi everyone,
I just thought I'd let everyone know that I've built a musl stage4 for
amd64 and put it on the mirrors [1]. If you don't know about musl, you
can read about it here [2]. Its yet another libc which aims to be a
slim and fast.
I've got a stage4 (kinda/sorta). It is not made using catalyst but
rather starts from a musl chroot and builds a new chroot using a
ROOT=rootfs emerge -ev @system technique. The scripts are on the releng
repo [3]. Right now there are lots of packages which do not immediately
build with musl. Mostly these are due to header locations, gnu-isms,
gnulib (which assumes way too much about internal implementations) and
at least one bug in musl or gcc (depending on who you ask --- exit()
compiled with --stack-protector-all). The patches are on the
hardened-dev::musl overlay [4]. They are "quickies" and may need work
if any are to go upstream.
A few points about the stage: 1) it doesn't use busybox for its core
utilities. I like a robust native development environment from which
you can build. 2) Despite the fact that the profile is under hardened,
it is still a vanilla stage. I'm working on getting it hardened, but a
few packages break when we turn on pie, ssp, relro and/or bind_now.
Enjoy or ignore at your discretion.
--Tony
Refs.
[1] http://distfiles.gentoo.org/experimental/amd64/musl/
[2] http://www.musl-libc.org/
[3]
http://git.overlays.gentoo.org/gitweb/?p=proj/releng.git;a=tree;f=tools-musl
[4] http://git.overlays.gentoo.org/gitweb/?p=proj/hardened-dev.git;a=tree
--
Anthony G. Basile, Ph.D.
Gentoo Linux Developer [Hardened]
E-Mail : blueness@...too.org
GnuPG FP : 1FED FAD9 D82C 52A5 3BAB DC79 9384 FA6E F52D 4BBA
GnuPG ID : F52D4BBA
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