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Message-ID: <37E0F4AE.D09C2A76@stest.ch>
Date: Thu, 16 Sep 1999 15:46:22 +0200
From: Thomas Kowatsch <Thomas DOT Kowatsch AT stest DOT ch>
Organization: Switching Test Solutions AG
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To: Cygwin List <cygwin AT sourceware DOT cygnus DOT com>
Subject: Re: automatic relocation problem? (WAS: problem with 3rd party lib)
References: <199909161221 DOT HAA06533 AT mercury DOT xraylith DOT wisc DOT edu>
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Mumit Khan wrote:

> Thomas Kowatsch <Thomas DOT Kowatsch AT stest DOT ch> writes:
> >
> > I think my 3rd party library is using the MSVCRT runtime. Is thereany
> > way I can use this 3rd party lib then and cygwin?
> >
>
> There are times when it will work, and there are times when it won't.
> It's not a simple issue, believe me.
>
> > Is this a general problem that MSVC libraries are not usable? So
> > the 3rd party vendor has to support a cygwin version?
>
> That would be nice of course.
>
> Before you do anything further, please fix your DLL making process and
> *remove* the erroneous entry point. Never override the entry point for
> any DLL unless you really know what you're doing (and if you do, ignore
> the rest of the paragraph). The way to handle this is to simply supply
> your own DllMain that will be called automatically by the default entry
> point. In your case, just don't use the library supplied one (ie., don't
> provide one and the linker will pick up the one in the library) since
> you don't do anything special.

I'm not sure what exactly you mean. Is it the --entry in followingcommand?

  dllwrap --export-all --output-def libxx.def --entry DllEntryPoint AT 12
--implib libxx.a -o libxx.dll

>
>
> Doing the above of course doesn't mean that this particular case is going
> to work of course!
>
> Regards,
> Mumit

--
------------------------------------------------------------------------
Thomas Kowatsch                      | - Senior Software Engineer -
Switching Test Solutions AG          | mailto: thomas DOT kowatsch AT stest DOT ch
Wavetek Wandel & Goltermann Divison5 | web   : http://www.stest.com
Friesenbergstr. 75                   | Phone : +41 1 454-6731
CH-8055 Zuerich                      | FAX   : +41 1 454-6612




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