diff --git a/pkgs/development/ocaml-modules/uucp/default.nix b/pkgs/development/ocaml-modules/uucp/default.nix index 433e3f9cb10..bb70ff6a4b7 100644 --- a/pkgs/development/ocaml-modules/uucp/default.nix +++ b/pkgs/development/ocaml-modules/uucp/default.nix @@ -8,8 +8,9 @@ let doCheck = true; in -assert lib.assertMsg (lib.versionAtLeast ocaml.version minimumOCamlVersion) - "${pname} needs at least OCaml ${minimumOCamlVersion}"; +if !(lib.versionAtLeast ocaml.version minimumOCamlVersion) +then builtins.throw "${pname} needs at least OCaml ${minimumOCamlVersion}" +else stdenv.mkDerivation {