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Re: gcc -dM -E -xc /dev/null & g++ -dM -E -xc /dev/null
- From: Rick Rankin <rick_rankin at yahoo dot com>
- To: cygwin at cygwin dot com
- Date: Mon, 13 Oct 2003 09:52:09 -0700 (PDT)
- Subject: Re: gcc -dM -E -xc /dev/null & g++ -dM -E -xc /dev/null
--- Christopher Faylor <cgf-rcm@cygwin.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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