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Re: [XEN PATCH v8 04/47] build: set XEN_BUILD_EFI earlier
- To: Anthony PERARD <anthony.perard@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 7 Dec 2021 12:24:34 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 07 Dec 2021 11:24:47 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 07.12.2021 12:04, Anthony PERARD wrote:
> On Thu, Dec 02, 2021 at 03:06:54PM +0100, Jan Beulich wrote:
>> On 25.11.2021 14:39, Anthony PERARD wrote:
>>> +export XEN_BUILD_EFI XEN_BUILD_PE MKRELOC
>>> +export EFI_LDFLAGS
>>> +endif
>>
>> Exporting MKRELOC in particular isn't very nice. I wonder whether there
>> wouldn't be a way to keep it local to xen/Makefile.
>
> I don't think that's possible. The value of MKRELOC depends on a call
> with OBJDUMP which depends on call with LD which depends on a call with
> CC. And the call with CC is the one I'm trying to move.
Like suggested for another variable elsewhere, besides moving the definition
(which I agree looks difficult to achieve) there's also the option of passing
it on the command line to (presumably) just the single sub-make which
actually means to consume it. It's only the final linking step where it's
needed afaict.
Jan
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