Re: [PATCH v2 1/4] kbuild: Add cc-option-raw macro

[Masahiro Yamada]

2017-06-14 8:08 GMT+09:00 Matthias Kaehlcke <mka@xxxxxxxxxxxx>:
> cc-option uses KBUILD_CFLAGS and KBUILD_CPPFLAGS when it determines
> whether an option is supported or not. This is fine for options used to
> build the kernel itself, however some components like the x86 boot code
> use a different set of flags.
>
> Add the new macro cc-option-raw which serves the same purpose as
> cc-option but has additional parameters. One parameter is the compiler
> with which the check should be performed, the other the compiler options
> to be used instead KBUILD_C*FLAGS. The compiler parameter allows other
> macros like hostcc-option to be implemented on top of cc-option-raw.
>
> Also rework cc-option to make use of cc-option-raw.
>
> Suggested-by: Arnd Bergmann <arnd@xxxxxxxx>
> Suggested-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
> ---
> Changes in v2:
> - Changed macro name from Add cc-option-no-kbuild to cc-option-raw
> - Added compiler as parameter to the macro
> - Reworked cc-option to make use of cc-option-raw
> - Updated commit message
>
>  scripts/Kbuild.include | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>

Acked-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
(if nothing better pops up)

-- 
Best Regards
Masahiro Yamada