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Re: [XEN PATCH v8 04/47] build: set XEN_BUILD_EFI earlier
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Date: Tue, 7 Dec 2021 11:04:56 +0000
- Authentication-results: esa3.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- 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 11:05:24 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Thu, Dec 02, 2021 at 03:06:54PM +0100, Jan Beulich wrote:
> On 25.11.2021 14:39, Anthony PERARD wrote:
> > +efi-check-o := arch/x86/efi/check.o
>
> How about making this
>
> efi-check := arch/x86/efi/check
>
> That way you wouldn't need to replace the extension in a number of places,
> but simply append the respective one in every place using this.
This change sound fine. I guess it will make reading the code a bit
easier.
> > +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.
Unless there is a better way to build *.efi, we need to know whether to
use `mkreloc` or not.
I could rename it XEN_MKRELOC. Or if there is another name that could
make sense, that would be fine too, like XEN_BUILD_EFI_NEED_RELOC which
could be a boolean.
Thanks,
--
Anthony PERARD
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