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Message-ID: <20200122135801.GY30412@brightrain.aerifal.cx>
Date: Wed, 22 Jan 2020 08:58:01 -0500
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Cc: Андрей Аладьев <aladjev.andrew@...il.com>
Subject: Re: musl libc failed to preserve ownership

On Wed, Jan 22, 2020 at 01:42:40PM +0300, Андрей Аладьев wrote:
> My experience in using mailing list is very low. I may duplicate this
> email. Sorry.
> 
> I saw previous https://www.openwall.com/lists/musl/2015/04/03/3 discussion
> about coreutils:
> 
> cp: failed to preserve ownership for
> /var/tmp/portage/sys-apps/portage-2.3.84-r1/image/./usr/bin/quickpkg: Not
> supported
> 
> I've reproduced this bug inside x86_64 musl container without qemu. I want
> just to clarify - this is 100% cross compilation issue of coreutils. It is
> connected with autoconf wrong guessing about musl.
> 
> This issue will be fixed in next coreutils releases with the following
> commit
> https://git.savannah.gnu.org/cgit/gnulib.git/patch/?id=453ff940449bbbde9ec00f0bbf82a359c5598fc7
> 
> More info here https://bugs.gentoo.org/687236. Thank you.

I'm not sure how that change in gnulib made it go away, but there's an
actual bug in coreutils that's the root of this problem. I commented
on the tracker for the bug you linked:

https://bugs.gentoo.org/687236#c17

Rich

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