From:	Martin Ambuhl <mambuhl AT earthlink DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: return type for `main' changed to `int'
Date:	Sun, 17 Oct 1999 12:42:21 -0400
References:	<84EFC73E5BDD300C DOT 85A7FCC32BD1270B DOT F7CB654E8161FA9A AT lp DOT airnews DOT net>
X-Posted-Path-Was:	not-for-mail
X-Accept-Language:	en
X-ELN-Date:	17 Oct 1999 16:40:59 GMT
X-ELN-Insert-Date:	Sun Oct 17 09:45:15 1999
Organization:	Nocturnal Aviation
Lines:	55
Mime-Version:	1.0
NNTP-Posting-Host:	dialup-209.244.101.114.newyork2.level3.net
Message-ID:	<3809FC6D.DF9775D6@earthlink.net>
X-Mailer:	Mozilla 4.7 [en] (Win95; U)
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Rodeo Red wrote:
> 
> I got very frustrated and erased djgpp. Now I'm starting over with the
> newer version. I've decided not to use rhide until I can get djgpp to
> work without rhide.
> 
> This command line:
> 
>   gcc -c -Wall hello.cpp
    ^^^
This should be gpp (or g++ or gxx, depending on installation) 
or hello.cpp should be renamed hello.c 
or you should explicitly link the standard c++ libs

> 
> is supposed to produce the object file hello.o, but doesn't . Instead I
> get this message:
> hello.cpp:4: return type for `main' changed to `int'

You left out the word "Warning".  It is significant.

> 
> What does this mean ?

I means gcc turned your illegal code into legal code.

> 
> here is hello.cpp:
> 
> #include <iostream.h>
> 
>    void main ()
>       {
>              cout <<"Hello world!\n";
>                 }
> 
> ----------------------------------------------------------------
> What happened when I went to the faq:
> 
> I searched for "return type for `main'" - no results
> I searched  for "return type"- found section 22.24 "What should the main
> function return in a C program? "
> Does not seem to apply because I'm using C++

In C++ as well, main returns an int.


-- 
Martin Ambuhl	mambuhl AT earthlink DOT net

__________________________________________________________
Fight spam now!
Get your free anti-spam service: http://www.brightmail.com

- Raw text -