On 2011-06-21 09:46, Alexander Graf wrote: > > On 21.06.2011, at 09:27, Jan Kiszka wrote: > >> 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.kis...@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. :) > > So what does the patch change then if it's already only built once?
It allows to clean up Makefile.target like I did as CONFIG_XEN is no longer defined for all targets but only for those that actually support Xen. Jan
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