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List:       gtkmm
Subject:    Re: [gtkmm] marshall.cc linker problem
From:       Murray Cumming <Murray_Cumming () BetaResearch ! de>
Date:       2001-06-29 15:32:48
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Cédric Gustin wrote:
> 
> Hi,
> 
> Yes I did build a dll of gtk-- and gdk-- using mingw32. I will release the
> distribution (along with libsigc++) as soon as I have fixed a
> mingw32-related problem. In the meantime, you can try to compile a static
> version of gdk-- and gtk-- by simply replacing the lines
> 
> extern GtkSignal                *_gtk_private_signals;
> extern guint                     _gtk_private_n_signals;
> 
> with
> 
> extern __declspec(dllimport) GtkSignal                *_gtk_private_signals;
> extern __declspec(dllimport) guint
> _gtk_private_n_signals;
> 
> those variables are defined in gtkprivate.c (in the gtk+ source code) and
> need to be dllimported if you want to access them.
> 
> In order to compile gtk-- as a DLL, you have to tag a bunch of external
> variables with __declspec(dllimport) in the gtk-- and gdk-- source code. If
> you can wait till the end of the weekend, you'll be able to access a
> modified source code on my website.

Can't you just define a macro for this? Surely every class should use
this.

As I remember it, it's a little more complicated:
The macro should be dllexport when building the library, and dllimport
when including the header from client code. I guess that libsigc++ has
already done this.

A patch would be nice.

> Cedric
> 
> ----- Original Message -----
> From: "Bill Nalen/Towers Perrin" <nalenb@towers.com>
> To: <gtkmm-main@lists.sourceforge.net>
> Sent: Thursday, June 28, 2001 7:23 PM
> Subject: [gtkmm] marshall.cc linker problem
> 
> > I am trying to compile gtk-- under windows 95 with vc++ 6.0 sp3.  I've
> > cleared up a few problems to get them all to compile and have come across
> a
> > linker problem.  In gtk-- marshall.cc the follow declaration exists:
> >
> > extern GtkSignal                *_gtk_private_signals;
> > extern guint                     _gtk_private_n_signals;
> >
> > but I can't seem to find anywhere where they are defined.
> >
> > Also, has anyone built a dll for gtk-- & gdk-- instead of having the
> static
> > libraries?
> >
> > Any suggestions?
> >
> > Note, I haven't joined the mailing list yet, so please respond directly?
> > or does the list handle that automatically?
> >
> > Thanks
> > Bill
> >
> >
> >
> > _______________________________________________
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> 
> 
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-- 
Murray Cumming
www.murrayc.com
murrayc@usa.net

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