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Re: [Qemu-devel] [PATCH v2 2/4] linux-user: pass environment arguments i

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v2 2/4] linux-user: pass environment arguments in execve
Date: Mon, 20 Jun 2016 22:40:38 +0100

On 20 June 2016 at 22:27, Joel Holdsworth
<address@hidden> wrote:
> The current behaviour was quite unexpected to me - there were no warnings,
> and the need to link qemu statically isn't documented anywhere. If you
> really believe that static linking is the best answer here, then shouldn't
> the shared library option be removed? Because with the shared-library build,
> qemu-user is somewhat "broken".

Shared library QEMU works fine for simple use cases ("run a gcc
test case", for instance) or where the guest binary is linked
statically and doesn't much care where it runs.

> But the distros won't like that because of the induced bloat.

I don't know of a distro which doesn't ship a statically linked
QEMU offhand. Debian, Ubuntu and SUSE certainly all do. You
basically need it for the chroot case, which is a really common one.
[These days if your distro-in-the-chroot is multiarch you could
put all the dynamic libraries for the QEMU binary in it too,
but in practice being able to just copy a single binary in is much

-- PMM

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