Regarding "have to be hosted": it will just make building easier. Sometimes it will be difficult to handle more than one ocaml version flavor. Since the resulting binary application is static (from OCaml perspective), just use _aggregate to copy the pkg somewhere else.
Regarding "have to be hosted": it will just make building easier. Sometimes it will be difficult to handle more than one ocaml version flavor. Since the resulting binary application is static (from OCaml perspective), just use _aggregate to copy the pkg somewhere else.