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Re: bug: "gcc -std=gnu99" passes AC_PROG_CC_C11

From: Andrew W. Nosenko
Subject: Re: bug: "gcc -std=gnu99" passes AC_PROG_CC_C11
Date: Fri, 28 Sep 2012 16:10:29 +0300

On Fri, Sep 28, 2012 at 3:34 PM, Adrian Bunk <address@hidden> wrote:
> On Thu, Sep 27, 2012 at 06:12:55PM -0700, Paul Eggert wrote:
>> On 09/27/2012 10:04 AM, Adrian Bunk wrote:
>> > I merely wanted to point out that there can be a difference in what
>> > glibc provides when we end up with gnu99 instead of gnu11.
>> Yes.  And programs using Autoconf will surely prefer the gnu11
>> version, which is why defaulting to gnu11 is a win.
> Which brings us back to why I call it a bug that gnu99 passes the
> current C11 test.

Exuse me, but if compiler+language support library passes all feature
checks, which are essencial to name this pair c11-compatible, then why

If c11-compatibility implies more than these checks, then why not
extend the checks for cover these essencial features?

But please, dont start the messing with brain-dameged defines like
__STDC_VERSION__.  After all, Autoconf is all about the actual
features of compilation environment, not about "branding labels" on
that environment.

Andrew W. Nosenko <address@hidden>

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