Re: __main

["Robert Spanton" <rob at xgoat dot com>]

When I compile some code under windows it outputs __main, but when I compile
it under linux I don't get it - does anyone know why?

Robert

www.xgoat.com

----- Original Message -----
From: "Mike Laman" <mlaman@cox.net>
To: "GCC" <gcc@gcc.gnu.org>
Sent: Sunday, September 01, 2002 9:24 PM
Subject: Re: __main


> I tried it. I still get the __main call.
>
> Any other ideas?
>
> I do appreciate the help and time! Tks,
> Mike
>
> ----- Original Message -----
> From: "Mike Laman" <mlaman@cox.net>
> To: "GCC" <gcc@gcc.gnu.org>
> Sent: Sunday, September 01, 2002 1:15 PM
> Subject: Re: __main
>
>
> > I'm trying very hard not to modify the source.
> >
> > I've got to think that others porting GCC to small chips will have the
> > same issue. For me space is very important. Unfortunately, the bytes
> count.
> >
> > Also the standard assembler for this chip does not accept an "_" for
> > the first character. Don't look at me - I didn't write it, but I do need
> to
> > interface with it.
> >
> > I'll give -ffreestanding a try.
> >
> > Thanks,
> > Mike
> > ----- Original Message -----
> > From: "Fergus Henderson" <fjh@cs.mu.OZ.AU>
> > To: "Mike Laman" <mlaman@cox.net>
> > Cc: "GCC" <gcc@gcc.gnu.org>
> > Sent: Sunday, September 01, 2002 9:04 AM
> > Subject: Re: __main
> >
> >
> > > On 29-Aug-2002, Mike Laman <mlaman@cox.net> wrote:
> > > > When running a C cross compiler where one does not want a call
> > > > to "__main()" to be emitted, how can one turn it off?
> > >
> > > I don't know off-hand if it can be turned off.
> > > (I doubt if it can, but perhaps with `-ffreestanding'??)
> > > Of course you can always turn it off by modifying the source code!
> > >
> > > Probably the easiest solution is to just define a dummy __main()
> > > function that does nothing.  You'd better be sure that you don't
> > > link in any C++ programs or libraries, though, because they might
> > > not work properly if constructors for static objects are not
> > > executed.
> > >
> > > --
> > > Fergus Henderson <fjh@cs.mu.oz.au>  |  "I have always known that the
> > pursuit
> > > The University of Melbourne         |  of excellence is a lethal
habit"
> > > WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S.
> Garp.
> >