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Date:   Fri, 18 Dec 2020 15:55:38 +0000
From:   Jon Hunter <>
To:     Masahiro Yamada <>
CC:     Marek Szyprowski <>,
        Linux Kbuild mailing list <>,
        Kees Cook <>,
        "Emese Revfy" <>,
        "Linus Torvalds" <>,
        Nathan Chancellor <>,
        Nick Desaulniers <>,
        clang-built-linux <>,
        "Linux Kernel Mailing List" <>,
        linux-tegra <>
Subject: Re: [PATCH] gcc-plugins: simplify GCC plugin-dev capability test

On 18/12/2020 15:42, Masahiro Yamada wrote:


>> However, if you are saying that this is a problem/bug with our builders,
>> then of course we will have to get this fixed.
> Yes, please do so.
> Kconfig evaluates $(CC) capabilities, and
> hides CONFIG options it cannot support.
> In contrast, we do not do that for $(HOSTCC)
> capabilities because it is just a matter of some
> missing packages.
> For example, if you enable CONFIG_SYSTEM_TRUSTED_KEYRING
> and fail to build scripts/extrace-cert.c
> due to missing <openssl/bio.h>,
> you need to install the openssl dev package.
> It is the same pattern.

OK, thanks for confirming. We will get this fixed.

Cheers Jon


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