{ stdenv, fetchurl, ocaml, findlib , version ? if stdenv.lib.versionAtLeast (stdenv.lib.getVersion ocaml) "4.02" then "20151112" else "20140422" }@args: let sha256 = if version == "20140422" then "1ki1f2id6a14h9xpv2k8yb6px7dyw8cvwh39csyzj4qpzx7wia0d" else if version == "20151112" then "0fhfs96gxnj920h5ydsg7c1qypsbrlzqfn2cqzrg9rfj1qq6wq86" else throw ("menhir: unknown version " ++ version); in import ./generic.nix (args // { inherit version sha256; })