import ./generic.nix { major_version = "4"; minor_version = "12"; patch_version = "0-alpha1"; src = fetchTarball { url = "http://caml.inria.fr/pub/distrib/ocaml-4.12/ocaml-4.12.0~alpha1.tar.xz"; sha256 = "1p9nnj7l43b697b6bm767znbf1h0s2lyc1qb8izr1vfpsmnm11ws"; }; }