Re: [PATCH] kbuild: provide THIN_ARCHIVES option for all architectures

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Hi Nicholas.

> Supporting two different intermediate-artifact packaging schemes
> was only ever intended as a temporary transition.
> 
> This has so far caused no problems for powerpc, after a small fix
> for how the arch invoked ar. So now allow any arch to select the
> option, continue defaulting to N.

Alan Modra recommended this approach several years ago, and I think
Stephen was the first to implement this for the kernel.
It would be good to have the rational whay ar is better than ld -r
included in the commit message for later reference.

I also recall that using ar gave some small kernel size reductions
from last time we played with this.
This info could also be nice to give a rough idea of the impact.

Added Alan to list of receivers.

	Sam
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