{ stdenv, fetchurl, ocaml, findlib, ocamlbuild , topkg, result, lwt, cmdliner, fmt }: let pname = "logs"; webpage = "https://erratique.ch/software/${pname}"; in assert stdenv.lib.versionAtLeast ocaml.version "4.01.0"; stdenv.mkDerivation rec { name = "ocaml-${pname}-${version}"; version = "0.6.2"; src = fetchurl { url = "${webpage}/releases/${pname}-${version}.tbz"; sha256 = "1khbn7jqpid83zn8rvyh1x1sirls7zc878zj4fz985m5xlsfy853"; }; buildInputs = [ ocaml findlib ocamlbuild topkg fmt cmdliner lwt ]; propagatedBuildInputs = [ result ]; buildPhase = "${topkg.run} build --with-js_of_ocaml false"; inherit (topkg) installPhase; meta = with stdenv.lib; { description = "Logging infrastructure for OCaml"; homepage = "${webpage}"; inherit (ocaml.meta) platforms; maintainers = [ maintainers.sternenseemann ]; license = licenses.isc; }; }