[vtkusers] VTK and QT tested on Mac

[Bert Schiettecatte]

Hi again Carsten,

I managed to get vtkQt to compile using the new code from your website,
I have a .lib now. 

I then tried to compile the Cylinder example and the application halts
with the following errors:

Unhandled exception at 0x77e73887 in cylinder_vtkqt.exe: Microsoft C++
exception: __non_rtti_object @ 0x0012fdf4.
Unhandled exception at 0x7c01c211 (msvcr70.dll) in cylinder_vtkqt.exe:
0xC0000005: Access violation reading location 0x00000004.

Any idea what's going wrong?

Thanks,
bert

-----Original Message-----
From: vtkusers-admin at vtk.org [mailto:vtkusers-admin at vtk.org] On Behalf
Of Carsten Kübler
Sent: dinsdag 15 juli 2003 13:53
To: Alain CORON
Cc: Vtkusers at Public. Kitware. Com
Subject: AW: [vtkusers] VTK and QT tested on Mac

Hello,

> Have a look at vtkQGLLight.h line 30, you will see
>
> class VTK_RENDERING_EXPORT vtkQGLLight : public vtkOpenGLLight
>
> The macro VTK_RENDERING_EXPORT is a Windows specific macro defined in
> vtkWin32Header.h by
>
>      #if defined(vtkRendering_EXPORTS)
>       #define VTK_RENDERING_EXPORT __declspec( dllexport )
>      #else
>       #define VTK_RENDERING_EXPORT __declspec( dllimport )
>      #endif
>
> On the other system it expands to nothing.
>
> On Windows you must explicitly export the classes and the global
functions
> which you want to be publicly accessible.  So if vtkRendering_EXPORTS
is
> defined, then you explicitly export vtkQGLLight.  Otherwise you don't.

Only for a dll. We usually build a static lib.

Thanks this is a known bug which I hadn't fixed in the zip. So I updated
the
.zip files with our current version.


> However I think that it should be better if vtk_qt use its own macro
to
> export its own classes and functions.  This macro should also be
> added to the other classes.
Yes, the library had to use its own macro. Our standard is at the moment
to build libs and not dlls. If we changed to build dlls (for all
versions)
I will release new zip files.

Carsten

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