{ stdenv, ocaml, findlib, dune, cohttp, ocaml_lwt, uri, ppx_sexp_conv }: if !stdenv.lib.versionAtLeast cohttp.version "0.99" then cohttp else stdenv.mkDerivation rec { name = "ocaml${ocaml.version}-cohttp-lwt-${version}"; inherit (cohttp) version src installPhase meta; buildInputs = [ ocaml findlib dune uri ppx_sexp_conv ]; propagatedBuildInputs = [ cohttp ocaml_lwt ]; buildPhase = "dune build -p cohttp-lwt"; }