Re: __main

["Mike Laman" <mlaman@cox.net>]

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.
>