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b722b9ddff
These are optional dependencies for the library. Making them optional is useful to reduce the size of other packages. By default, the dependencies are all provided and the output is unchanged.
56 lines
1.6 KiB
Nix
56 lines
1.6 KiB
Nix
{ lib, stdenv, fetchurl, ocaml, findlib, ocamlbuild
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, topkg, result, lwt, cmdliner, fmt
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, fmtSupport ? lib.versionAtLeast ocaml.version "4.08"
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, js_of_ocaml
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, jsooSupport ? true
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, lwtSupport ? true
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, cmdlinerSupport ? true
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}:
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let
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pname = "logs";
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webpage = "https://erratique.ch/software/${pname}";
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optional_deps = [
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{ pkg = js_of_ocaml; enable_flag = "--with-js_of_ocaml"; enabled = jsooSupport; }
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{ pkg = fmt; enable_flag = "--with-fmt"; enabled = fmtSupport; }
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{ pkg = lwt; enable_flag = "--with-lwt"; enabled = lwtSupport; }
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{ pkg = cmdliner; enable_flag = "--with-cmdliner"; enabled = cmdlinerSupport; }
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];
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enable_flags =
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lib.concatMap (d: [ d.enable_flag (lib.boolToString d.enabled)]) optional_deps;
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optional_buildInputs =
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map (d: d.pkg) (lib.filter (d: d.enabled) optional_deps);
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in
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if lib.versionOlder ocaml.version "4.03"
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then throw "logs is not available for OCaml ${ocaml.version}"
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else
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stdenv.mkDerivation rec {
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name = "ocaml${ocaml.version}-${pname}-${version}";
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version = "0.7.0";
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src = fetchurl {
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url = "${webpage}/releases/${pname}-${version}.tbz";
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sha256 = "1jnmd675wmsmdwyb5mx5b0ac66g4c6gpv5s4mrx2j6pb0wla1x46";
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};
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nativeBuildInputs = [ ocaml findlib ocamlbuild topkg ];
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buildInputs = [ topkg ] ++ optional_buildInputs;
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propagatedBuildInputs = [ result ];
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strictDeps = true;
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buildPhase = "${topkg.run} build ${lib.escapeShellArgs enable_flags}";
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inherit (topkg) installPhase;
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meta = with lib; {
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description = "Logging infrastructure for OCaml";
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homepage = webpage;
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inherit (ocaml.meta) platforms;
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maintainers = [ maintainers.sternenseemann ];
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license = licenses.isc;
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};
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}
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