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Re: Gcc compiler b18 newbie probs


Earnie Boyd <earnie_boyd@hotmail.com> wrote:
> 
> 
> >To: Rich Dorfman <webhead@web-feats.com>
> >Cc: gnu-win32@cygnus.com
> >Subject: Re: Gcc compiler b18 newbie probs
> >Date: Wed, 10 Dec 1997 09:40:38 -0600
> >From: Mumit Khan <khan@xraylith.wisc.edu>
> >
> >Rule-of-thumb, especially for new users:
> >  
> >  - use the right compiler driver to compile/link programs. For C 
> programs,
> >    use gcc, for C++ use c++ and for F77 use g77.
> 
>                           ^^^ shouldn't this be g++

Depends on what you want to link in.
`c++' just links in the standard C++ libraries, I think.
`g++' also links in libg++.

> gcc will (or so it is documented to do so) determine if the code is C++.  
> Also file extensions are used to determine C vs C++.  The cygwin gcc 
> will compile a file named hello.c as C if you type
> 
> gcc -c hello.c
> 
> It will compile it as C++ if you type
> 
> gcc -c hello.C

Yes, it will _compile_ it as C++, but if you do `gcc hello.C' it
will still _link_ it as if it were C (that is, it won't link in
the C++ libraries).

-- 
Fergus Henderson <fjh@cs.mu.oz.au>   |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
PGP: finger fjh@128.250.37.3         |     -- the last words of T. S. Garp.
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