import ./generic.nix { major_version = "4"; minor_version = "12"; patch_version = "0-alpha3"; src = fetchTarball { url = "http://caml.inria.fr/pub/distrib/ocaml-4.12/ocaml-4.12.0~alpha3.tar.xz"; sha256 = "1hqlf9fi5gmvb6r13z5819rg6k813bw9ihgbbji67hhh4q361wlw"; }; }