then
CMAKE_OPTIONS+=" -DPython3_INCLUDE_DIR:STRING=${PYTHON_ROOT_DIR}/include/python${PYTHON_VERSION}"
CMAKE_OPTIONS+=" -DPython3_LIBRARY:STRING=${PYTHON_ROOT_DIR}/lib/libpython${PYTHON_VERSION}.so"
+ CMAKE_OPTIONS+=" -DPython3_EXECUTABLE=${PYTHON_ROOT_DIR}/bin/python${PYTHON_VERSION}"
fi
CMAKE_OPTIONS+=" -DVTK_PYTHON_FULL_THREADSAFE:BOOL=ON"
CMAKE_OPTIONS+=" -DVTK_NO_PYTHON_THREADS:BOOL=OFF"