Re: [PATCH] build: always use BASEDIR for xen sub-directory

[Jan Beulich <jbeulich@xxxxxxxx>]

On 02.10.2020 14:44, Bertrand Marquis wrote:
> 
> 
>> On 2 Oct 2020, at 13:38, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>>
>> On 02.10.2020 14:34, Bertrand Marquis wrote:
>>>> On 2 Oct 2020, at 13:12, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>>>>
>>>> On 02.10.2020 12:42, Bertrand Marquis wrote:
>>>>> Modify Makefiles using $(XEN_ROOT)/xen to use $(BASEDIR) instead.
>>>>>
>>>>> This is removing the dependency to xen subdirectory preventing using a
>>>>> wrong configuration file when xen subdirectory is duplicated for
>>>>> compilation tests.
>>>>>
>>>>> Signed-off-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
>>>>
>>>> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
>>>
>>> Thanks :-)
>>>
>>>>
>>>> (but more for the slight tidying than the purpose you name)
>>>
>>> Feel free to remove the justification from the commit message if
>>> you think it is not usefull.
>>
>> Oh, no, it's not like I consider it not useful. It shows how you
>> arrived at making the change. It's just that I didn't consider
>> making copies of xen/ something we mean to be supported. I wouldn't
>> be surprised if it got broken again ...
> 
> basically i do this a “cp -rs” of xen subdirectory so that i can have 
> directories
> in which xen is compiled for x86, arm32 and arm64 and recompile all of them
> quickly without having to go through distclean, config, make each time or 
> modify
> the original tree.

But then you must have adjustments also in the top level makefile,
such that besides "make xen", "make xen-xyz" also works.

Jan