[CMake] Building ITK with VTK 5.6

[Brad King]

On 07/22/2010 09:43 AM, Mathieu Malaterre wrote:
> Hi there,
> 
>   I am trying to build ITK from a toplevel directory, my application
> is setup simply like this:
> 
> $ cat CMakeLists.txt
> project(MySuperApp)
> find_package(VTK REQUIRED)
> message("${VTK_VERSION}")
> add_subdirectory(ITK) # contains the ITK source
> 
> Since cmake 2.8 find_package now sets VTK_VERSION which is used
> internally in ITK to determine if MetaIO is being build from VTK or
> ITK.
> Could someone please:
> - confirm VTK_VERSION now appears as 5.6.0 since the update to cmake
> 2.8 / vtk 5.6
> - could someone please suggest the correct way to detect if metaio if
> build from ITK or not.

MetaIO should check for VTK_SOURCE_DIR and/or ITK_SOURCE_DIR.

-Brad