macOS dylib signing

Summary

Minimal project and steps to reproduce

Run a Unity app containing VLC Unity on a fresh macOS without special permissions.

What is the current bug behavior?

Popup from the system says it cannot open it.

What is the expected correct behavior?

No warning from the system.

Possible fixes

• Do we want to handle the signing of this? If so, how? With which certificate?
• Can the users do the signing themselves? How? Can we facilitate that?

Some resources:

• https://github.com/UNSH/Unity-Apple-Distribution-Workflow
• https://forum.unity.com/threads/code-signing-requirements-for-native-plugin.1236583/
• https://developer.apple.com/documentation/security/notarizing_macos_software_before_distribution
• https://github.com/sttz/trimmer/blob/master/Editor/Distros/NotarizationDistro.cs
• https://github.com/ibrahimpenekli/unity-macos-notarization