Bug#863828: python3-instant: undefined symbol: PyClass_Type during interpolate

[Drew Parsons]

reassign 863828 libdolfin-dev 2016.2.0-3
thanks

On Thu, 2017-06-01 at 10:01 +0200, Johannes Ring wrote:
> 
> The problem here is that Python 2 header files are used. This comes
> from VTK, which is built against Python 2 only. The solution is to
> not
> call `find_package(VTK)` and `include(${VTK_USE_FILE})` in
> /usr/share/dolfin/cmake/UseDOLFIN.cmake. It can be verified that this
> fixes the problem by removing these lines in UseDOLFIN.cmake.
> 
> This is a bug in dolfin, not instant. Drew: could you re-target this
> to dolfin (perhaps libdolfin-dev)?

Reassigned.

Should the vtk section in UseDOLFIN.cmake be controlled with some
python3 test, so VTK is still pulled in for python2?

Drew