Re: [PATCH] Kbuild: Avoid DTB rebuilds if source files are untouched

From: James Hogan
Date: Tue Apr 16 2013 - 12:02:19 EST


On 16/04/13 16:53, James Hogan wrote:
> On 12/04/13 22:52, Stephen Warren wrote:
>> +.SECONDARY: $(obj)/$(builtindtb-y).dtb.S
>
> Note, this may not work if you're using CONFIG_ARC_BUILTIN_DTB_NAME,
> since it'll have quotes around it, so you may instead need:
> .SECONDARY: $(obj)/$(patsubst "%",%,$(builtindtb-y)).dtb.S
>
> (at least that's what's required for the metag equivalent)
>
>> +
>> dtbs: $(addprefix $(obj)/, $(builtindtb-y).dtb)
>
> You might find the same thing here too.

Also, I think you probably now want *.dtb.S added to clean-files,
otherwise they won't get removed by make clean.

Cheers
James

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