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SubjectRe: [PATCH V5 4/5] kbuild: Add support to build overlays (%.dtbo)
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On 1/20/21 10:13 PM, Viresh Kumar wrote:
> On 21-01-21, 11:49, David Gibson wrote:
>> If you're using overlays, you probably need the -@ flag, for both the
>> base file and the overlays, which AFAICT is not already the case.
>
> I think the idea was to do that in the platform specific Makefiles,
> unless I have misunderstood that from earlier discussions. So a
> platform may want to do that per-file or just enable it for the entire
> platform.
>

Yes, that is correct. For drivers/of/unitest-data/Makefile, we have
entries like:

DTC_FLAGS_overlay += -@
DTC_FLAGS_overlay_bad_phandle += -@
DTC_FLAGS_overlay_bad_symbol += -@
DTC_FLAGS_overlay_base += -@
DTC_FLAGS_testcases += -@

-Frank

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