Bug#938795: vmtk does not build any more

[Andreas Tille]

Hi,

vmtk is using Python3 in Git[1], but there are build issues with vtk7:

...
cd /build/vmtk-1.4.0+dfsg/obj-x86_64-linux-gnu/vtkVmtk/ComputationalGeometry && /usr/bin/c++ -DITK_IO_FACTORY_REGISTER_MANAGER -DvtkvmtkComputationalGeometry_EXPORTS -I/build/vmtk-1.4.0+   dfsg/obj-x86_64-linux-gnu/ITKFactoryRegistration -I/usr/include/hdf5/serial -I/usr/include/nifti -I/usr/include/gdcm-3.0 -I/usr/include/ITK-4.13 -I/build/vmtk-1.4.0+dfsg/vtkVmtk -I/build/  vmtk-1.4.0+dfsg/vtkVmtk/Common -I/build/vmtk-1.4.0+dfsg/vtkVmtk/ComputationalGeometry -I/build/vmtk-1.4.0+dfsg/vtkVmtk/DifferentialGeometry -I/build/vmtk-1.4.0+dfsg/vtkVmtk/IO -I/build/    vmtk-1.4.0+dfsg/vtkVmtk/Misc -I/build/vmtk-1.4.0+dfsg/vtkVmtk/Segmentation -I/build/vmtk-1.4.0+dfsg/vtkVmtk/Contrib -I/build/vmtk-1.4.0+dfsg/vtkVmtk/Utilities/vtkvmtkITK -I/build/vmtk-1.4. 0+dfsg/obj-x86_64-linux-gnu/vtkVmtk -I/usr/include/vtk-7.1 -I/usr/include/python3.9 -g -O2 -fdebug-prefix-map=/build/vmtk-1.4.0+dfsg=. -fstack-protector-strong -Wformat -Werror=format-     security -Wdate-time -D_FORTIFY_SOURCE=2   -O2 -g -DNDEBUG -fPIC -fPIC -o CMakeFiles/vtkvmtkComputationalGeometry.dir/vtkvmtkCenterlineBranchExtractor.cxx.o -c /build/vmtk-1.4.0+dfsg/      vtkVmtk/ComputationalGeometry/vtkvmtkCenterlineBranchExtractor.cxx
In file included from /build/vmtk-1.4.0+dfsg/vtkVmtk/ComputationalGeometry/vtkvmtkCenterlineBranchExtractor.cxx:24:
/build/vmtk-1.4.0+dfsg/vtkVmtk/ComputationalGeometry/vtkvmtkPolyBallLine.h:45:10: error: 'double vtkvmtkPolyBallLine::EvaluateFunction(double, double, double)' marked 'override', but does  not override
   45 |   double EvaluateFunction(double x, double y, double z) VTK_OVERRIDE
      |          ^~~~~~~~~~~~~~~~
[  4%] Building CXX object vtkVmtk/IO/CMakeFiles/vtkvmtkIO.dir/vtkvmtkXdaReader.cxx.o


Any help is welcome.

Kind regards

       Andreas.

[1] https://salsa.debian.org/science-team/vmtk

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