[vtkusers] Mac OSX Build.

[Mathieu Malaterre]

> I wrote up a bug for this problem:
> <http://www.vtk.org/Bug/bug.php?op=show&bugid=2025&pos=>
> 
> You could vote for it. :)
> 
> Basically, the problem is that the vtk example/test apps are not built
> correctly, and that's more the fault of cmake which is missing the
> functionality to build then in the format required.

Correction: cmake indeed does have the functionality it is just broken 
on the main release branch (2.0.x), therefore Kitware cannot make the 
switch until a new cmake release from 2.2.x is done.

Mathieu