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SubjectRe: [PATCH] kbuild: move cc-option and cc-disable-warning after incl. arch Makefile
Hi Yamada-san,

On Mon, Nov 27, 2017 at 1:15 PM, Masahiro Yamada
<> wrote:
> Geert reported commit ae6b289a3789 ("kbuild: Set KBUILD_CFLAGS before
> incl. arch Makefile") broke cross-compilation using a cross-compiler
> that supports less compiler options than the host compiler.
> For example,
> cc1: error: unrecognized command line option "-Wno-unused-but-set-variable"
> This problem happens on architectures that setup CROSS_COMPILE in their
> arch/*/Makefile.
> Move the cc-option and cc-disable-warning back to the original position,
> but keep the Clang target options.
> Fixes: ae6b289a3789 ("kbuild: Set KBUILD_CFLAGS before incl. arch Makefile")
> Reported-by: Geert Uytterhoeven <>
> Signed-off-by: Masahiro Yamada <>

Thanks for the quick response!

Tested-by: Geert Uytterhoeven <>



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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