diff --git a/pkgs/development/ocaml-modules/gtktop/default.nix b/pkgs/development/ocaml-modules/gtktop/default.nix index de0334c2a18..07420693005 100644 --- a/pkgs/development/ocaml-modules/gtktop/default.nix +++ b/pkgs/development/ocaml-modules/gtktop/default.nix @@ -2,6 +2,10 @@ let pname = "gtktop-2.0"; in +if stdenv.lib.versionAtLeast ocaml.version "4.06" +then throw "${pname} is not available for OCaml ${ocaml.version}" +else + stdenv.mkDerivation { name = "ocaml-${pname}";