[ITK-dev] global weak symbol vtable warnings

[Johnson, Hans J]

Hello ITK developers,

I’ve recently started getting "global weak symbol table” warnings when building the BRAINSTools package.

Before I dig in an try to figure out where the source of these warnings are coming from, has anyone else determined what needs to be done to build cleanly?

ld: warning: direct access in itk::Matrix<double, 3u, 3u>::GetInverse() const to global weak symbol vtable for vnl_svd<double> means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.
ld: warning: direct access in itk::Matrix<double, 3u, 3u>::GetInverse() const to global weak symbol vtable for vnl_svd<double> means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.
ld: warning: direct access in vnl_matrix_inverse<double>::~vnl_matrix_inverse() to global weak symbol vtable for vnl_svd<double> means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.
ld: warning: direct access in vnl_matrix_inverse<double>::~vnl_matrix_inverse() to global weak symbol vtable for vnl_svd<double> means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.
ld: warning: direct access in itk::Transform<float, 3u, 3u>::ComputeInverseJacobianWithRespectToPosition(itk::Point<float, 3u> const&, itk::Array2D<float>&) const to global weak symbol vtable for vnl_svd<float> means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.
ld: warning: direct access in itk::Transform<float, 3u, 3u>::ComputeInverseJacobianWithRespectToPosition(itk::Point<float, 3u> const&, itk::Array2D<float>&) const to global weak symbol vtable for vnl_svd<float> means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.

Thanks,
Hans


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| Hans J. Johnson, Ph.D.,  Associate Professor                         |

| Appointments:                                                        |

|   - Electrical and Computer Engineering (Primary)                    |

|   - Biomedical Engineering                                           |

|   - Psychiatry                                     ,NMMM~            |

|   - Health Informatics                         MMMMMMMMMMMMMMN       |

|   - Iowa Institute for Biomedical Imaging    MMMMMMMMMMMMMMMMMMM     |

|   - Iowa Informatics Institute             MMMMMMMMMMM MMMM MMM      |

|                                            MMMMMMMMMM I ?MMM  MM M   |

| hans-johnson at uiowa.edu                     MMMMMMM ,$M,        MMMM  |

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