powerpc: Add option to use thin archives

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Add an option to use thin archives to build the kernel.
Thin archives are explained in commit a5967db9af ("kbuild: allow
architectures to use thin archives instead of ld -r").

This is a gradual way to introduce the option to testers.

Some change to the way we invoke ar is required so it can be used
by scripts/link-vmlinux.sh.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Make it an explicit option not dependant on COMPILE_TEST]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2016-10-19 14:15:59 +11:00 • committed by Michael Ellerman

parent 5e9d0e3d9e

commit 43c9127d94

2 changed files with 10 additions and 2 deletions

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arch/powerpc/Kconfig

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4

arch/powerpc/Makefile

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