linux-kernel - Re: [PATCH v3 1/3] kbuild: Add _

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Date:   Fri, 16 Jun 2017 09:48:50 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        "H . J . Lu" <hjl.tools@...il.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Michal Marek <mmarek@...e.com>, X86 ML <x86@...nel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michael Davidson <md@...gle.com>,
        Greg Hackmann <ghackmann@...gle.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Stephen Hines <srhines@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Arnd Bergmann <arnd@...db.de>,
        Bernhard Rosenkränzer 
        <Bernhard.Rosenkranzer@...aro.org>,
        Peter Foley <pefoley2@...oley.com>,
        Behan Webster <behanw@...verseincode.com>,
        Douglas Anderson <dianders@...omium.org>
Subject: Re: [PATCH v3 1/3] kbuild: Add __cc-option macro

2017-06-16 2:37 GMT+09:00 Matthias Kaehlcke <mka@...omium.org>:
> 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 which is a more generic version of
> cc-option with 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.
>
> Refactor cc-option and hostcc-option to use __cc-option and move
> hostcc-option to scripts/Kbuild.include.
>
> Suggested-by: Arnd Bergmann <arnd@...db.de>
> Suggested-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>


Acked-by: Masahiro Yamada <yamada.masahiro@...ionext.com>



-- 
Best Regards
Masahiro Yamada