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Re: [Qemu-devel] [Bug 929638] Re: qemu 1.0 unable to compile on the pand
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] [Bug 929638] Re: qemu 1.0 unable to compile on the pandaboard ES |
Date: |
Thu, 9 Feb 2012 20:12:23 +0100 |
On 09.02.2012, at 20:11, Peter Maydell wrote:
> On 9 February 2012 18:23, Andreas Färber <address@hidden> wrote:
>> Am 09.02.2012 18:07, schrieb Peter Maydell:
>>> (2) qemu 1.0 does not work on ARM hosts -- see the release notes.
>>> (3) at least one of the problems which meant we marked it as unsupported is
>>> still unfixed in master, so this isn't going to work
>>
>> What's the remaining issue? I was able to successfully compile and run
>> arm-softmmu + arm-linux-user on Oneiric the weekend.
>
> On ARM Linux glibc provides a makecontext() that always fails ENOSYS,
> so our configure test thinks there is makecontext support but when we
> try to use it for coroutines it will fail and we abort.
>
> I have a workaround in qemu-linaro that just forces the makecontext
> test to fail on ARM but I don't like that much. It would be better
> to either drop our requirement for makecontext (Paolo had some patches
> to try to do this IIRC) or to handle it failing at runtime.
Or make the configure test be an execution test and always disable it for
cross-compile?
Alex
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