nixpkgs/pkgs/development/ocaml-modules/lwt/4.x.nix

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{ stdenv, fetchzip, pkgconfig, ncurses, libev, buildDunePackage, ocaml
, cppo, ocaml-migrate-parsetree, ppx_tools_versioned, result
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}:
let inherit (stdenv.lib) optional versionAtLeast; in
buildDunePackage rec {
pname = "lwt";
version = "4.1.0";
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src = fetchzip {
url = "https://github.com/ocsigen/${pname}/archive/${version}.tar.gz";
sha256 = "16wnc61kfj54z4q8sn9f5iik37pswz328hcz3z6rkza3kh3s6wmm";
};
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nativeBuildInputs = [ pkgconfig ];
buildInputs = [ cppo ocaml-migrate-parsetree ppx_tools_versioned ]
++ optional (!versionAtLeast ocaml.version "4.07") ncurses;
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propagatedBuildInputs = [ libev result ];
configurePhase = "ocaml src/util/configure.ml -use-libev true";
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meta = {
homepage = "https://ocsigen.org/lwt/";
description = "A cooperative threads library for OCaml";
maintainers = [ stdenv.lib.maintainers.vbgl ];
license = stdenv.lib.licenses.lgpl21;
};
}