Re: [Qemu-devel] [PATCH 1/4] xen: Clean up build system

[Jan Kiszka <jan.kiszka@web.de>]

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On 2011-06-21 09:26, Alexander Graf wrote:
> 
> On 21.06.2011, at 09:23, Jan Kiszka wrote:
> 
>> 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-target
>>>> building.
>>>
>>> What's the incentive here? I very much doubt we'll ever want to support xen on !x86. In fact, the better solution would probably be to just move every build component to x86 specific code.
>>
>> I doubt that as well. But keeping the backend centrals prevent building
>> them twice (for i386 and x86_64).
> 
> How can we not build them twice without risking that target_ulong breaks 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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