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Message-ID: <20031013165209.13552.qmail@web21408.mail.yahoo.com>
Date: Mon, 13 Oct 2003 09:52:09 -0700 (PDT)
From: Rick Rankin <rick_rankin AT yahoo DOT com>
Subject: Re: gcc -dM -E -xc /dev/null & g++ -dM -E -xc /dev/null
To: cygwin AT cygwin DOT com
In-Reply-To: <20031013053048.GA16401@redhat.com>
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--- Christopher Faylor <cgf-rcm AT cygwin DOT com> wrote:
> On Mon, Oct 13, 2003 at 07:22:28AM +0200, Alex Vinokur wrote:
> >gcc -dM -E -xc /dev/null
> >  and
> >g++ -dM -E -xc /dev/null
> >  produce the same output.
> >
> >Is this a feature or a bug?
> 
> It is not a bug.  Try it on linux.
> 
> >How can one know that g++ (not gcc) is invoked?
> 
> Isn't the __cplusplus define a feature of c++?  I'm too lazy to check if this
> is a g++ extension but I'd be surprised if it was.
> 

Yes, it's defined in section 16.8 (Predefined macro names) of the ANSI/ISO
standard.

--Rick

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