[Paraview] add_executable cannot create imported target "vtkWrapPython"

[David Partyka]

Right, ParaView's Use file (ParaViewUse.cmake) already calls find VTK
seeding it with PARAVIEW_VTK_DIR. Hence the duplicate targets.


On Wed, Sep 7, 2011 at 9:36 AM, Utkarsh Ayachit <utkarsh.ayachit at kitware.com
> wrote:

> Mathieu,
>
> I'm not surprised that it doesnt' work. You cannot bring in VTK and
> ParaView in the same project. If you project depends on both, you
> should just include ParaView and you'll get access to most of VTK as
> well (I can't think of anything we disable explicitly when importing
> VTK, but I may be wrong).
>
> Utkarsh
>
> On Wed, Sep 7, 2011 at 9:29 AM, Mathieu Malaterre
> <mathieu.malaterre at gmail.com> wrote:
> > Hi all,
> >
> >  I am trying to build a paraview module. I have VTK 5.8.0 and
> > ParaView 3.10.1 installed on a linux/debian machine. When importing
> > both VTK & ParaView cmake module, I am getting the following errors
> > (truncated):
> >
> > ...
> > CMake Error at /tmp/pv/usr/lib/paraview/CMake/ParaViewTargets.cmake:16
> > (ADD_EXECUTABLE):
> >  add_executable cannot create imported target "vtkWrapPython" because
> >  another target with the same name already exists.
> > Call Stack (most recent call first):
> >  /tmp/pv/usr/lib/paraview/ParaViewConfig.cmake:58 (INCLUDE)
> >  CMakeLists.txt:3 (find_package)
> >
> >
> > CMake Error at /tmp/pv/usr/lib/paraview/CMake/ParaViewTargets.cmake:19
> > (ADD_EXECUTABLE):
> >  add_executable cannot create imported target "vtkWrapPythonInit" because
> >  another target with the same name already exists.
> > Call Stack (most recent call first):
> >  /tmp/pv/usr/lib/paraview/ParaViewConfig.cmake:58 (INCLUDE)
> >  CMakeLists.txt:3 (find_package)
> > ...
> >
> >
> > It can easily be reproduced with:
> >
> > $ cat /tmp/bla/CMakeLists.txt
> > project(bla)
> > find_package(VTK REQUIRED)
> > find_package(ParaView REQUIRED)
> >
> > Could someone please confirm this is an actual issue ? If so I'll
> > report that to paraview bug tracker. Meanwhile could someone please
> > suggest a fix, other than -tediously- adding blockers for each
> > imported target, eg:
> >
> > $ cat /usr/lib/paraview/CMake/ParaViewTargets.cmake
> > ...
> > # Create imported target vtkWrapPython
> > IF(NOT TARGET vtkWrapPython)
> > ADD_EXECUTABLE(vtkWrapPython IMPORTED)
> > ENDIF(NOT TARGET vtkWrapPython)
> > ...
> >
> > This issue can also be seen when building VTKEdge (svn checkout from
> 20110819).
> >
> > Thanks much !
> > --
> > Mathieu
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