The idea of having dependency and package management system as an inherent part of a language's ecosystem is pretty new, and there isn't really any such thing e

The idea of having dependency and package management system as an inherent part of a language's ecosystem is pretty new, and there isn't really any such thing even for C, let alone assembly language. So the short answer is "that's your problem", to solve however you wish! Personally I use git submodules.