nixpkgs/pkgs/development/ocaml-modules/dtoa/default.nix

{ stdenv, lib, fetchurl, buildDunePackage, ocaml, ounit2 }:

buildDunePackage rec {
  pname = "dtoa";
  version = "0.3.3";

  src = fetchurl {
    url = "https://github.com/flowtype/ocaml-${pname}/releases/download/v${version}/${pname}-${version}.tbz";
    hash = "sha256-2PRgjJ6Ssp4l6jHzv1/MqzlomQlJkKLVnRXG6KPJ7j4=";
  };

  checkInputs = [ ounit2 ];

  doCheck = lib.versionAtLeast ocaml.version "4.08";

  hardeningDisable = lib.optional stdenv.cc.isClang "strictoverflow";

  meta = with lib; {
    homepage = "https://github.com/flowtype/ocaml-dtoa";
    description = "Converts OCaml floats into strings (doubles to ascii, \"d to a\"), using the efficient Grisu3 algorithm.";
    license = licenses.mit;
    maintainers = [ maintainers.eqyiel ];
  };
}