ocamlPackages.dune-private-libs: disable for OCaml < 4.07

authored by Vincent Laporte and committed by Vincent Laporte 311e883b fdf4439a

+2
+2
pkgs/development/ocaml-modules/dune-private-libs/default.nix
··· 7 7 8 8 inherit (dune_2) src version; 9 9 10 + minimumOCamlVersion = "4.07"; 11 + 10 12 dontAddPrefix = true; 11 13 12 14 meta = with lib; {