diff --git a/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/default.nix b/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/default.nix index a056cdeb1b5..46cc922917e 100644 --- a/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/default.nix +++ b/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/default.nix @@ -1,5 +1,9 @@ { stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild, jbuilder, result }: +if !stdenv.lib.versionAtLeast ocaml.version "4.02" +then throw "ocaml-migrate-parsetree is not available for OCaml ${ocaml.version}" +else + stdenv.mkDerivation rec { name = "ocaml${ocaml.version}-ocaml-migrate-parsetree-${version}"; version = "0.7";