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Message-ID:	<41756.65.200.9.2.1018470910.squirrel@portal.embedded-guru.com>
Date:	Wed, 10 Apr 2002 13:35:10 -0700 (PDT)
Subject:	Re: help with using windows dll
From:	"Frank Motta" <fmotta AT embedded-guru DOT com>
To:	<gp AT familiehaase DOT de>
In-Reply-To:	<26291377488.20020410220955@familiehaase.de>
References:	<26291377488 DOT 20020410220955 AT familiehaase DOT de>
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Cc:	<cygwin AT cygwin DOT com>
Reply-To:	fmotta AT embedded-guru DOT com
MIME-Version:	1.0

WOW!!!
Thanks!!!
this is great!!!
I've installed and run it and (visually) it appears to give me
what I need - the next test is (of course) link and run :}

<Gerrit P. Haase>
>> -------- Original Message --------
>> Subject: =?iso_8859_1?Q?can_a_pre-built_library_be_used=3F?=
>> From: "Frank Motta" <fmotta at embedded-guru dot com>
>> To: <cygwin at cygwin dot com>
>
>> I have a third party lib/dll (x.lib, x.dll) built with microsoft tools
>> I need to link to a cygwin application.
>
>> Since cygwin can't use the .lib then is there a way of extracting the
>> equivilent stubs from the .lib or the dll?
>
>>     Is this possible?
>
>>     If so, how!!!
>
> I used to do this with a tool that comes with libtool.
> It isn't provided in binary form with the libtool setup,
> but gets build everytime it is needed by libtool.
> I've it on a website to fetch it for others (just the
> C source and the compiled binary).
>
> I use it with this stupid script which is invoked like this,
>
>        $ libextract /path/DLLNAME
>
> where DLLNAME is the dllname without .dll:
>
> #!/usr/bin/sh
> echo $0 creates import library $1.dll.a from $*.dll
> DLLNAME=$@
>
> /bin/impgen ${DLLNAME}.dll >${DLLNAME}.def
> dlltool --as=as --dllname ${DLLNAME}.dll --def ${DLLNAME}.def
> --output-lib ${DLLNAME}.dll.a # ENDE
>
> Extract the 'impgen' source from ltmain.sh or fetch it here:
> http://timtowtdi.topcities.com/cygwin/impgen/
>
> My script needs some improvements since importlibraries are usually
> named in another fashion.  Here cygbz21.0.dll gets cygbz21.0.dll.a as
> importlib where the real one is named libbz2.dll.a.
> But you can either link directely to the name you created the importlib
> with or rename it as you like it.
>
> Also I should mention that it works with some Windows dll's and with
> others it doesn't work and I don't know why.
>
>
> Gerrit
> --
> =^..^=


-- 
Frank Motta
fmotta AT embedded-guru DOT com

If you cannot recognize divinity in your fellow man, then you will not
realize the devine within yourself...





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