[vtk-developers] FindPackage not working in new module system

[Bill Lorensen]

I'm curious why the component names were changed.

On Thu, Jan 10, 2019, 10:37 AM Ben Boeckel <ben.boeckel at kitware.com wrote:

> On Thu, Jan 10, 2019 at 12:24:07 -0500, Aron Helser wrote:
> > Sorry, I should have started with the original problem. I started with
> this
> > file:
> >
> > cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
> > PROJECT (mineview)
> > find_package(VTK REQUIRED)
> > vtk_module_config(VTK
> >   vtkCommonCore
> >   vtkCommonDataModel
> >   vtkFiltersGeneral
> >   vtkIOFFMPEG
> >   vtkIOImage
> >   vtkIOXML
> >   vtkInteractionStyle
> >   vtkRenderingOpenGL2
> >   vtkRenderingOpenVR
> > )
> > include(${VTK_USE_FILE})
> >
> > add_executable(mineview MACOSX_BUNDLE mineview.cxx Lobby.cxx View.cxx
> > AudioHandler.cxx)
> > target_link_libraries(mineview ${VTK_LIBRARIES} Xaudio2.lib opengl32
> > winmm.lib)
> >
> > but "vtk_module_config" doesn't exist anymore, right? So I tried to
> change
> > to this:
> > find_package(VTK
> >   COMPONENTS
> >   vtkCommonCore
> >  ...
> >
> > but then it complains:
> >
> > CMake Warning at CMakeLists.txt:5 (find_package):
> > Found package configuration file:
> >
> > C:/akit/vtk/build/lib/cmake/vtk-8.90/vtk-config.cmake
> >
> > but it set VTK_FOUND to FALSE so package "VTK" is considered to be NOT
> > FOUND. Reason given by package:
> >
> > Could not find the VTK package with the following required components:
> > vtkCommonCore.
> >
> >
> > Thus I am confused. :)
> > Hope those breadcrumbs help?
>
> COMPONENTS are now `CommonCore` and `FiltersGeneral` since they end up
> like `VTK::CommonCore`. I suppose the components list could be
> preprocessed to detect a leading `vtk` and remove it (warning that that
> name is deprecated).
>
> --Ben
>
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