# vtk module dependency in Testing/Rendering

**URL:** <https://discourse.vtk.org/t/vtk-module-dependency-in-testing-rendering/13446>\
**Category:** Development\
**Created:** [March 5, 2024, 8:25am UTC](https://discourse.vtk.org/t/vtk-module-dependency-in-testing-rendering/13446 "2024-03-05T08:25:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pkestene](https://discourse.vtk.org/user_avatar/discourse.vtk.org/pkestene/32/7968_2.png) [@pkestene](https://discourse.vtk.org/u/pkestene)\
**Post date:** [March 5, 2024, 8:25am UTC](https://discourse.vtk.org/t/vtk-module-dependency-in-testing-rendering/13446/1 "2024-03-05T08:25:19Z")

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I may be wrong as I’m not familiar with vtk build system, but I think `Testing/Rendering/vtk.module`should list VTK::ParallelMPI in section OPTIONAL\_DEPENDS since symbol `VTK_MODULE_ENABLE_VTK_ParallelMPI` is used in `Testing/Rendering/vtkTestingInteractor.cxx`

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**Author:** ![ben.boeckel](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/b/ea5d25/32.png) [@ben.boeckel](https://discourse.vtk.org/u/ben.boeckel)\
**Post date:** [March 5, 2024, 4:42pm UTC](https://discourse.vtk.org/t/vtk-module-dependency-in-testing-rendering/13446/2 "2024-03-05T16:42:52Z")

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Indeed! Thanks for the report.

MR is here: [https://gitlab.kitware.com/vtk/vtk/-/merge\_requests/10936](https://gitlab.kitware.com/vtk/vtk/-/merge_requests/10936)