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Re: [Qemu-devel] git master build failure

From: Laszlo Ersek
Subject: Re: [Qemu-devel] git master build failure
Date: Fri, 17 Jun 2016 21:45:12 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1

On 06/17/16 14:55, Peter Maydell wrote:
> On 17 June 2016 at 13:41, Mark Cave-Ayland
> <address@hidden> wrote:
>> Thank you looking into this. I know that some workarounds have been
>> applied for similar bugs in Peter's setup, but in general should I
>> assume that out-of-the-box Debian oldstable is now no longer supported
>> to build QEMU?

(I have no stake in this, just took an interest in it for some reason.)

> I would kind of prefer us to work around the compiler issue if
> it's not too difficult to do so. Otherwise, just configure
> with --disable-werror.

I agree working it around is preferable, if we can find a deterministic
way to do that. I'm afraid it will require someone to look into, and
understand, the internal AST representation of gcc (with -fdump-tree-*),
and then perturb it through the QEMU source sufficiently.

Also, how about filing that backport bug for Debian? If they backport
the gcc fix, then the issue is solved -- people can be expected to
update their Debian systems fully, before they do any heavy-lifting with
them (like building QEMU).


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