Change Details

**Changelog**: - Proper handling of pthread with glibc 2.34+. - Miscellaneous fixes for handling of invalid input by the new `OpenEXRCore` library. Link to full Changelog [here](https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.2/CHANGES.md#version-312-october-4-2021). Signed-off-by: Martin Reboredo <yakoyoku@gmail.com>

**Changelog**: - Proper handling of pthread with glibc 2.34+. - Miscellaneous fixes for handling of invalid input by the new `OpenEXRCore` library. Link to full Changelog [here](https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.2/CHANGES.md#version-312-october-4-2021). Depends on D12115. Signed-off-by: Martin Reboredo <yakoyoku@gmail.com>

**Changelog**: - Proper handling of pthread with glibc 2.34+. - Miscellaneous fixes for handling of invalid input by the new `OpenEXRCore` library. Link to full Changelog [here](https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.2/CHANGES.md#version-312-october-4-2021). Depends on D12115. Signed-off-by: Martin Reboredo <yakoyoku@gmail.com>