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Re: [PATCH] AC_PROG_CC_C11: new macro, which AC_PROG_CC_STDC now default

From: Jim Meyering
Subject: Re: [PATCH] AC_PROG_CC_C11: new macro, which AC_PROG_CC_STDC now defaults to
Date: Sat, 22 Sep 2012 11:30:19 +0200

Paul Eggert wrote:
> Yes, on further thought I'm inclined to agree.  Also, it's a lot
> simpler.  Also, it fixes Jim's bug.  There's a lot to like.
> Please see the patch below, which I've pushed.  Further
> comments welcome.
>>From f7fe375b26f39d0a6624ad9a6c532d9361a3226b Mon Sep 17 00:00:00 2001
> From: Paul Eggert <address@hidden>
> Date: Fri, 21 Sep 2012 19:19:54 -0700
> Subject: [PATCH] AC_PROG_CC_C89, AC_PROG_CC_C99: now obsolete; defer to
> * NEWS:
> * doc/autoconf.texi (C Compiler, Running the Preprocessor)
> (Limitations of Usual Tools, Present But Cannot Be Compiled)
> (Obsolete Macros):
> Document the changes described below.
> * lib/autoconf/c.m4 (_AC_PROG_CC_FORCE_VERSION): Remove.
> Just do AC_PROG_CC, but mark as obsolete.  This replaces my recent
> ill-advised attempt to let AC_PROG_CC_C89 and AC_PROG_CC_C99 downgrade
> the version of C supported.
> * doc/autoconf.texi (Limitations of Usual Tools, Volatile Objects):
> Document C11 more accurately.  In some cases this involves removing
> some details about 'volatile', alas, since C11 changed this stuff.
> Again.

Nice work.  Solves my problem.

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