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Date: Mon, 17 Oct 2011 09:17:25 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] GPLv3 troubles
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, qemu-devel@nongnu.org, Blue Swirl <blauwirbel@gmail.com>, Max Filippov <jcmvbkbc@gmail.com>, Avi Kivity <avi@redhat.com>, =?ISO-8859-1?Q?Andreas_F=E4rber?= <afaerber@suse.de>

On 10/17/2011 07:50 AM, Paolo Bonzini wrote:
> On 10/17/2011 02:38 PM, Anthony Liguori wrote:
>>> Could we please draft some policy on this? This is not a GDB issue, it's
>>> very general. Whether we like it or not, there is GPLv3-licensed code
>>> and there will probably be a GPLv4 one day.
>>
>> I don't see anything wrong with GPLv2 only. While I don't think there's
>> anything wrong with GPLv3, I think that "or later" is a dangerous clause
>> to add.
>
> License fragmentation with respect to the de facto standard toolchain (binutils)
> is wrong.

Fragmentation with respect to the de factor standard kernel (Linux) is wrong.

We currently pull in code (mostly headers, although not exclusively) from Linux 
too.  That puts us between a rock and a hard place.

Regards,

Anthony Liguori

> Until llvm includes support for as many obscure targets as we support
> in QEMU, some level of pragmatism might be necessary.
>
> Paolo
>