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Date: Tue, 21 Jun 2011 09:27:40 +0200
From: Jan Kiszka <jan.kiszka@web.de>
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Subject: Re: [Qemu-devel] [PATCH 1/4] xen: Clean up build system
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To: Alexander Graf <agraf@suse.de>
Cc: Anthony PERARD <anthony.perard@citrix.com>, xen-devel <xen-devel@lists.xensource.com>, qemu-devel@nongnu.org, Stefano Stabellini <stefano.stabellini@eu.citrix.com>

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On 2011-06-21 09:26, Alexander Graf wrote:
>=20
> On 21.06.2011, at 09:23, Jan Kiszka wrote:
>=20
>> On 2011-06-21 09:21, Alexander Graf wrote:
>>>
>>> On 21.06.2011, at 08:26, Jan Kiszka wrote:
>>>
>>>> From: Jan Kiszka <jan.kiszka@siemens.com>
>>>>
>>>> Introduce CONFIG_XEN_BACKEND so that this new config solely controls=
 the
>>>> target-independent backend build and CONFIG_XEN can focus on per-tar=
get
>>>> building.
>>>
>>> What's the incentive here? I very much doubt we'll ever want to suppo=
rt xen on !x86. In fact, the better solution would probably be to just mo=
ve every build component to x86 specific code.
>>
>> I doubt that as well. But keeping the backend centrals prevent buildin=
g
>> them twice (for i386 and x86_64).
>=20
> How can we not build them twice without risking that target_ulong break=
s somewhere along the way?

Because the backends don't depend on that. And we already build them
only once, your your logs. :)

Jan


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