Path: chuka.playstation.co.uk!news
From: "John Blackburne" <johnb@hk.super.net>
Newsgroups: scea.yaroze.programming.codewarrior
Subject: Re: Linking Problems (I think!) in CW
Date: Tue, 09 Mar 1999 20:47:46 +0000
Organization: PlayStation Net Yaroze (SCEE)
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References: <7c3pmc$l2g19@chuka.playstation.co.uk>
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In article <7c3pmc$l2g19@chuka.playstation.co.uk>, "Alan Marshall"
<admars@rocketmail.com> wrote:

>  I'm having trouble converting a program which compiles fine under GNU, I.e.
> no warnings or errors (!!!), yet in Codewarrior, I get
>
> Link Error : multiply-defined 'othWorld' in Init.c
> Previously defined in Address.c
> [...]
> Address.c has
>
> #include <stdlib.h>
> #include <libps.h>
> #include "address.h"
>
> init.c has
>
> #include <libps.h>
> #include "address.h"
> #include "init.h"
>
> and the other .c files include the above .h files
>

This could happen if you include the wrong sorts of things in your header
files. E.g. in shared headers global typedefs, defines, function prototypes
and 'extern ...' variable defintions are fine and belong there. But (for
example) a non-extern variable definition, or a non-prototype function
definition, would cause problems as putting it in a header shared between
two or more modules would cause it to appear in both, and so cause errors on
linking.

I would search through my source and headers and look where the symbol
'othWorld' appears. If you encounter problems like those above you should
find a way to move the symbol into the correct object file, using
'extern...' in the headers so it can be accessed elsewhere. Repeat this for
all problem symbols. If your still having problems try posting the relevant
header files.

John