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

[Alexander Graf <agraf@xxxxxxx>]

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@xxxxxxxxxxx>
>>> 
>>> 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?


Alex


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