From: Christian Biesinger <cbiesinger@google.com>
To: Joseph Myers <joseph@codesourcery.com>
Cc: Nick Clifton <nickc@redhat.com>,
Christian Biesinger via gcc-patches <gcc-patches@gcc.gnu.org>,
Binutils <binutils@sourceware.org>,
gdb-patches <gdb-patches@sourceware.org>
Subject: Re: RFC: Changing AC_PROG_CC to AC_PROG_CC_C99 in top level configure
Date: Mon, 26 Apr 2021 16:31:23 -0500 [thread overview]
Message-ID: <CAPTJ0XFmoibpepsdpCzWUPd9UgU1aaRkpcgbE23Cy5qss2vc1A@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.22.394.2104261928410.641239@digraph.polyomino.org.uk>
On Mon, Apr 26, 2021 at 2:32 PM Joseph Myers <joseph@codesourcery.com> wrote:
>
> On Mon, 26 Apr 2021, Nick Clifton via Gcc-patches wrote:
>
> > Hi Guys,
> >
> > Given that gcc, gdb and now binutils are all now requiring C99 as a
> > minimum version of C, are there any objections to updating
> > configure.ac to reflect this ?
>
> This isn't an objection, since upgrading auto* for the toolchain can be
> complicated, but note that AC_PROG_CC_C99 is obsolete in Autoconf 2.70 and
> instead AC_PROG_CC enables C11 mode if supported. (So moving to the
> latest Autoconf and Automake releases would supersede this change.)
But AC_PROG_CC_C99 makes sure that the compiler supports C99, and
AC_PROG_CC does not.
Christian
next prev parent reply other threads:[~2021-04-26 21:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-26 11:32 Nick Clifton
2021-04-26 19:32 ` Joseph Myers
2021-04-26 20:05 ` Mike Frysinger
2021-04-26 21:31 ` Christian Biesinger [this message]
2021-04-27 10:49 ` Nick Clifton
2021-04-27 16:58 ` Joseph Myers
2021-04-30 18:36 ` Simon Marchi
2021-04-30 21:48 ` Jeff Law
2021-05-03 6:28 ` Alan Modra
2021-05-03 14:47 ` Simon Marchi
2021-05-03 16:26 ` Tom Tromey
2021-05-03 21:51 ` Alan Modra
2021-05-03 23:30 ` Simon Marchi
2021-05-04 12:42 ` Nick Clifton
2021-05-04 15:16 ` Simon Marchi
2021-05-05 0:18 ` Alan Modra
2021-05-05 7:05 ` Iain Sandoe
2021-05-05 7:20 ` Alan Modra
2021-05-05 7:23 ` Iain Sandoe
2021-05-10 8:49 ` Iain Sandoe
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