I have a small game project i'm putting together. It works in tandem with a small "engine" library i also wrote.

The game itself i want to release as open-source, but the library i do not.

Is it possible to compile the game with other statically-linked open-source libraries (to make distribution easier) and still link in my closed-source library without messing up the licensing? Basically, i would be licensing my closed-source library to myself for an open-source project.

Can i do that and still distribute the executable with statically linked libs and call it "open source" (without open-sourcing my own lib)?

Thanks for your input. Much appreciated!