linux-kernel - Re: [PATCH] kbuild: drop -Wno-unknown-warning-option from clang options

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Message-ID: <CAK7LNAR6c--9=Wu0zH4dBDXwBnaDt_PJ5=rwjDxwf5Nt4d+SYA@mail.gmail.com>
Date:   Sun, 23 Apr 2017 16:13:20 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Cc:     Matthias Kaehlcke <mka@...omium.org>,
        Behan Webster <behanw@...verseincode.com>,
        Arnd Bergmann <arnd@...db.de>,
        Mark Charlebois <charlebm@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Michael Davidson <md@...gle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <mmarek@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: drop -Wno-unknown-warning-option from clang options

2017-04-13 7:25 GMT+09:00 Masahiro Yamada <yamada.masahiro@...ionext.com>:
> Since commit c3f0d0bc5b01 ("kbuild, LLVMLinux: Add -Werror to
> cc-option to support clang"), cc-option and friends work correctly
> for clang.
>
> However, the combination of -Werror and -Wno-unknown-warning-option
> makes clang happy with any unknown warning options.
>
> Once -Wno-unknown-warning-option is added, any succeeding call of
> cc-disable-warning is evaluated positive, then unknown warning
> options are accepted.  This should be dropped.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>


Applied to linux-kbuild/kbuild.



-- 
Best Regards
Masahiro Yamada