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From: "Ralf Habacker" <Ralf DOT Habacker AT saght DOT tessag DOT com>
To: "Cygwin" <cygwin AT cygwin DOT com>
Cc: "Alan Hourihane" <alanh AT fairlite DOT demon DOT co DOT uk>
Subject: AW: Status of cygwin KDE project - beta version of dll based qt 2.3.0 library is running
Date: Mon, 14 May 2001 15:46:52 +0200
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In-Reply-To: <20010510104130.C1523@valinux.com>

Hi Alan,

in the last mail I have written, that you only need -shared to generate such
a lib.

For big libs with C++ code such kde I have used a special startup routine
DLLMain which does some cygwin specific initialisations in libs.
Without that, an segment violation occurred on exiting such applications.
Perhaps there is another way I dont know about.

At second I've used .... -Wl,--whole archive $(OBJS) -Wl,--no-whole-archive
$(DEPENDED_LIBS) .... command parameters to import all symbols in my object
files, otherwise the linker eliminates not used functions.

Regards

Ralf Habacker
EMail: Ralf AT habacker DOT de
       Ralf DOT Habacker AT saght DOT tessag DOT com

> -----Ursprüngliche Nachricht-----
> Von: Alan Hourihane [mailto:alanh AT fairlite DOT demon DOT co DOT uk]
> Gesendet am: Donnerstag, 10. Mai 2001 11:42
> An: Ralf Habacker
> Betreff: Re: Status of cygwin KDE project - beta version of dll based qt
> 2.3.0 library is running
>
> On Wed, May 09, 2001 at 03:37:28PM +0200, Ralf Habacker wrote:
> > Hi,
> > I have check this too and my client programm runs
> >
> > $ ./client
> > Dll sees var=123
> > we see var=123
> > setting var=456
> > Dll sees var=456
> > we see var=456
> >
> > Dll sees var=90
> > we see var=90
> >
> > Dll sees foo=9
> > we see foo=9
> > setting foo=19
> > Dll sees foo=19
> > we see foo=19
> >
> > Calling dllimported function pointer:
> > Dll sees foo=19
> >
> Thanks Ralf.
>
> When you build KDE, are there any other options you pass to the linker
> apart from -Wl,--imp-outlib,libxxx.a ?
>
> Do you enable '--enable-auto-image-base' or '--enable-dynamic' ?
>
> Alan.
>


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