On: The .a file is a relic: Why static archives were a bad idea all along

[layer8]

That can be difficult in a multi-threaded environment with dynamically loaded shared libraries. Or at least it isn’t something that’s generally expected to be guaranteed to work.

[TuxSH → layer8]

C++ "magic statics" handle that use case (but with hidden atomic flag load (& more) costs at each access)

[lokar → layer8]

Ideally they would do the explicit init at startup before starting threads