From: Bruce Richardson <bruce.richardson@intel.com>
To: Tyler Retzlaff <roretzla@linux.microsoft.com>
Cc: <dev@dpdk.org>, <techboard@dpdk.org>
Subject: Re: [PATCH] build: announce requirement for C11
Date: Wed, 3 May 2023 16:37:23 +0100 [thread overview]
Message-ID: <ZFJ/szHhnde/XJiH@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <20230503153544.GB7537@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
On Wed, May 03, 2023 at 08:35:44AM -0700, Tyler Retzlaff wrote:
> On Wed, May 03, 2023 at 04:14:13PM +0100, Bruce Richardson wrote:
> > Add a deprecation notice informing users that we will require a C11
> > compiler from 23.11 release onwards. This requirement was agreed by
> > technical board to enable use of newer C language features, e.g.
> > standard atomics. [1]
> >
> > [1] http://inbox.dpdk.org/dev/DBAPR08MB58148CEC3E1454E8848A938998AB9@DBAPR08MB5814.eurprd08.prod.outlook.com/
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> > ---
> > doc/guides/rel_notes/deprecation.rst | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> > index dcc1ca1696..9a391d2c49 100644
> > --- a/doc/guides/rel_notes/deprecation.rst
> > +++ b/doc/guides/rel_notes/deprecation.rst
> > @@ -11,6 +11,12 @@ here.
> > Deprecation Notices
> > -------------------
> >
> > +* C Compiler: From DPDK 23.11 onwards,
> > + building DPDK will require a C compiler which supports the C11 standard, or later.
> > + Please note:
> > + - C11 is supported from GCC version 5 onwards, and is the default language version in that release
> > + - C11 is the default compilation mode in Clang from version 3.6
>
> suggest adding an additional qualification that
>
> C11 conformant compiler including support for optional standard atomics
>
> does NOT #define __STDC_NO_ATOMICS__ 1
>
> which requires providing the stdatomic.h header and feature. this
> shouldn't be contentious since both gcc and clang have support.
>
Agree, that is good to clarify. I'll wait a while for more feedback and
then do a V2.
> Acked-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
>
> > +
> > * kvargs: The function ``rte_kvargs_process`` will get a new parameter
> > for returning key match count. It will ease handling of no-match case.
> >
> > --
> > 2.39.2
next prev parent reply other threads:[~2023-05-03 15:37 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-03 15:14 Bruce Richardson
2023-05-03 15:35 ` Tyler Retzlaff
2023-05-03 15:37 ` Bruce Richardson [this message]
2023-05-03 15:39 ` Ferruh Yigit
2023-05-03 15:45 ` Tyler Retzlaff
2023-05-03 15:57 ` Bruce Richardson
2023-05-03 16:07 ` Tyler Retzlaff
2023-05-03 16:51 ` Ferruh Yigit
2023-05-03 17:30 ` [PATCH v2] " Bruce Richardson
2023-05-04 7:50 ` Mattias Rönnblom
2023-05-04 8:48 ` Bruce Richardson
2023-05-04 15:24 ` Tyler Retzlaff
2023-05-03 21:34 ` [PATCH] " Morten Brørup
2023-05-17 17:34 ` [PATCH v3] " Bruce Richardson
2023-05-19 12:19 ` Aaron Conole
2023-05-19 20:01 ` Tyler Retzlaff
2023-07-20 8:22 ` Bruce Richardson
2023-07-20 10:56 ` Jerin Jacob
2023-07-28 9:34 ` Thomas Monjalon
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