[vtkusers] Building VTK 7.1.1 with Python wrapping fail

[David Gobbi]

Hi Tim,

I haven't seen this error message before, but my guess is that building the
Python wrappers with static linkage does not work with Python 3.  I'm not
sure how difficult this is to fix.  It might be as simple as adding a
couple #ifdefs to the code (to the VTK code, I mean.).

 - David


On Mon, May 1, 2017 at 12:26 PM, Timothee Evain <tevain at telecom-paristech.fr
> wrote:

> Hello everyone!
>
> I'm trying to build VTK 7.1.1 with the Python wrapping with Visual studio
> 2017 on Win10. Everything goes fine until the end of the build, where a
> bunch of error appears in the vtkpython project like :
>
> vtkPythonAppInit.cxx
> ...\VTK_7.1.1\Wrapping\Python\vtkpythonmodules.h(126): error C2664: 'int
> PyImport_AppendInittab(const char *,PyObject *(__cdecl *)(void))': cannot
> convert argument 2 from 'void (__cdecl *)(void)' to 'PyObject *(__cdecl
> *)(void)'
> ...\VTK_7.1.1\Wrapping\Python\vtkpythonmodules.h(126): note: None of the
> functions with this name in scope match the target type
> ...\VTK_7.1.1\Wrapping\Python\vtkpythonmodules.h(129): error C2664: 'int
> PyImport_AppendInittab(const char *,PyObject *(__cdecl *)(void))': cannot
> convert argument 2 from 'void (__cdecl *)(void)' to 'PyObject *(__cdecl
> *)(void)'
> ...\VTK_7.1.1\Wrapping\Python\vtkpythonmodules.h(129): note: None of the
> functions with this name in scope match the target type
>
> and so on. The only similar error in the mailing list is
> http://vtk.1045678.n5.nabble.com/VtK-7-python3-4-build-
> error-td5735728.html ; but that doesn't help me since my python path are
> correctly set.
>
> The building config is :
> Windows 10 x64
> Visual Studio 2017
> Python 3.6.1 (installed from python.org exe)
> VTK 7.1.1 with :
> -PYTHON_DEBUG_LIBRARY C:/Program Files/Python_3.6.1/libs/python36_d.lib
> -PYTHON_EXECUTABLE C:/Program Files/Python_3.6.1/python.exe
> -PYTHON_INCLUDE_DIR C:/Program Files/Python_3.6.1/include
> -PYTHON_LIBRARY C:/Program Files/Python_3.6.1/libs/python36.lib
> (-Static libraries)
>
> Anyone have already encountered such problems and solved it ?
>
> Thanks in advance.
>
> Tim
>
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