linux-kernel - Re: [PATCH v4 29/31] gcc-plugins: test plugin support in Kconfig and clean up Makefile

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Message-ID: <CAGXu5jLMRfLurNe04WoK3kLHvTYFEHyUz1vMyGf4dLBkOmTnAQ@mail.gmail.com>
Date:   Wed, 16 May 2018 23:32:25 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-kbuild <linux-kbuild@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Ulf Magnusson <ulfalizer@...il.com>,
        "Luis R . Rodriguez" <mcgrof@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Emese Revfy <re.emese@...il.com>, X86 ML <x86@...nel.org>
Subject: Re: [PATCH v4 29/31] gcc-plugins: test plugin support in Kconfig and
 clean up Makefile

On Wed, May 16, 2018 at 11:17 PM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
> Run scripts/gcc-plugin.sh from Kconfig so that users can enable
> GCC_PLUGINS only when the compiler supports building plugins.
>
> Kconfig defines a new symbol, PLUGIN_HOSTCC.  This will contain
> the compiler (g++ or gcc) used for building plugins, or empty
> if the plugin can not be supported at all.
>
> This allows us to remove all ugly testing in Makefile.gcc-plugins.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Acked-by: Kees Cook <keescook@...omium.org>

-Kees

-- 
Kees Cook
Pixel Security