[Vxl-maintainers] RE: [Vxl-users] Re2: Dll s on Windows

[Wheeler, F. (Research) <wh...@cr...>]

Just a heads up ...

I'm currently working on building VXL DLLs.  This will be useful to us at GE next year.  I'm
following the method used by VTK and figuring out a few things as I go.  Once I get this working in
vxl/core I'll check-in and e-mail the lists with details of what I have done and some questions.
Then, I'll tweak the technique based on suggestions and plan for expansion.

I have about half of vxl/core done and this looks promising.  Hopefully I won't run into any major
gotchas.

Fred Wheeler


> -----Original Message-----
> From: Peter Vanroose [mailto:Pet...@es...]
> Sent: Friday, November 29, 2002 11:27 AM
> To: Stefan v.Wachter
> Cc: vxl...@li...
> Subject: Re: [Vxl-users] Re2: Dll s on Windows
> 
> 
> > If it is necessary I think I could spend some time to make 
> the changes
> > necessary to generate real dlls.
> 
> It's relatively straightforward, although probably time consuming.
> There is already a first attempt in e.g. the vbl library directory:
> see vbl/dll.h
> There is even a script (bin/vxl_make_dll_h.pl) to create such a file.
> The file vbl/dll.h is included (and used) in vbl/vbl_ref_count.h only;
> it declares the static data member verbosity_ as data to be exported.
> 
> I've no idea if this is sufficient to create a working .dll; I have
> a vague memory of the need of _declspec(dllexport) to replace
> _declspec(dllimport) when *using* the variable to be exported,
> and that it also may be necessary on *functions* (in addition to
> static data).
> 
> 
> 	Peter.
> 
> 
> 
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