From: Arnd Bergmann <arnd@kernel.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Masahiro Yamada <masahiroy@kernel.org>,
llvm@lists.linux.dev, Jonathan Corbet <corbet@lwn.net>,
Federico Vaga <federico.vaga@vaga.pv.it>,
Alex Shi <alexs@kernel.org>, Hu Haowen <src.res@email.cn>,
Michal Marek <michal.lkml@markovi.net>,
Nick Desaulniers <ndesaulniers@google.com>,
Linux Doc Mailing List <linux-doc@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-doc-tw-discuss@lists.sourceforge.net,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
greybus-dev@lists.linaro.org, linux-staging@lists.linux.dev,
Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH] [v2] Kbuild: move to -std=gnu11
Date: Tue, 1 Mar 2022 15:44:59 +0100 [thread overview]
Message-ID: <CAK8P3a160RneN60cA2apHVt1D6oiV2KprG=uJ2mJwVvrR3z4pg@mail.gmail.com> (raw)
In-Reply-To: <CANiq72=wmYeBcJvRbBgRj1q_cHjZBVjxStXSu-8Ogv5bJhCqpA@mail.gmail.com>
On Tue, Mar 1, 2022 at 11:43 AM Miguel Ojeda
<miguel.ojeda.sandonis@gmail.com> wrote:
>
> On Mon, Feb 28, 2022 at 11:32 AM Arnd Bergmann <arnd@kernel.org> wrote:
> >
> > -under ``-std=gnu89`` [gcc-c-dialect-options]_: the GNU dialect of ISO C90
> > -(including some C99 features). ``clang`` [clang]_ is also supported, see
> > +under ``-std=gnu11`` [gcc-c-dialect-options]_: the GNU dialect of ISO C11
> > +(including some C17 features). ``clang`` [clang]_ is also supported, see
>
> I think the "(including some C17)" bit would not make much sense
> anymore. There were no major changes in C17 and GCC implements
> `-std=c11` and `-std=c17` as basically the same thing according to the
> docs (and GNU extensions apply equally to both, I would assume).
Ok, changed now.
> When I wrote the "(including some C99 features)" I meant that GCC
> implemented some C99 features as extensions in C90 mode, and the
> kernel used some of those (e.g. the now gone VLAs).
I suppose it's still true for some c2x features (static_assert, fallthrough,
binary literals, ...), but it seems easier to just leave it out.
> With that changed, for `programming-language.rst`:
>
> Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Thanks.
next prev parent reply other threads:[~2022-03-01 14:45 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-28 10:27 [PATCH] [v2] Kbuild: move to -std=gnu11 Arnd Bergmann
2022-02-28 10:50 ` Greg KH
2022-02-28 11:25 ` Mark Rutland
2022-02-28 11:37 ` Arnd Bergmann
2022-02-28 18:40 ` Linus Torvalds
2022-02-28 17:07 ` Masahiro Yamada
2022-02-28 11:47 ` Marco Elver
2022-02-28 11:57 ` Arnd Bergmann
2022-02-28 16:56 ` Nathan Chancellor
2022-02-28 12:36 ` Jani Nikula
2022-02-28 13:01 ` Arnd Bergmann
2022-02-28 13:19 ` David Sterba
2022-02-28 12:48 ` Alex Shi
2022-02-28 12:56 ` David Sterba
2022-02-28 17:02 ` Masahiro Yamada
2022-02-28 18:24 ` Arnd Bergmann
2022-02-28 21:03 ` Nick Desaulniers
2022-02-28 21:41 ` Fangrui Song
2022-03-01 14:45 ` Arnd Bergmann
2022-03-01 10:43 ` Miguel Ojeda
2022-03-01 14:44 ` Arnd Bergmann [this message]
2022-05-16 13:10 ` Guenter Roeck
2022-05-16 13:31 ` [greybus-dev] " Greg KH
2022-05-16 14:19 ` Guenter Roeck
2022-05-18 7:46 ` Arnd Bergmann
2022-05-18 14:07 ` Guenter Roeck
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