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Re: DLL and external symbols
- From: Larry Hall <cygwin-lh at cygwin dot com>
- To: Jani Tiainen <jani dot tiainen at keypro dot fi>, cygwin at cygwin dot com
- Date: Tue, 30 Dec 2003 23:03:11 -0500
- Subject: Re: DLL and external symbols
- References: <3FF1EFB3.firstname.lastname@example.org>
- Reply-to: Cygwin List <cygwin at cygwin dot com>
At 04:35 PM 12/30/2003, Jani Tiainen you wrote:
>I'm sure that this has been answered several times, but I'll ask again because couldn't find any solution by myself.
>I would like to build DLL (or any other sort of library) that refers to external symbols in main application.
>So far I have been able to build non-working constructs. =)
>Let's say that I've two files:
>extern void funcInMyLib(int);
>void funcInMain(int i)
> printf("funcInMain(%ld)\n", i);
>int main(int argc, char **argv)
> return 0;
>and second file (library)
>extern void funcInMain(int);
>void funcInMyLib(int i)
> printf("Calling back...");
> funcInMain(i + 1);
>Now how I can get this working, or is it possible at all?
It's possible but you have to move "funcInMain()" into the DLL with
"funcInMyLib()" or into another DLL. That's the straight-forward
Larry Hall http://www.rfk.com
RFK Partners, Inc. (508) 893-9779 - RFK Office
838 Washington Street (508) 893-9889 - FAX
Holliston, MA 01746
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