let

  config = {
    packageOverrides = pkgs: rec {
      haskellPackages = pkgs.haskellPackages.override {
        overrides = haskellPackagesNew: haskellPackagesOld: rec {
          julio =
            haskellPackagesNew.callPackage ./julio.nix { };

          rank1dynamic =
            haskellPackagesNew.callPackage ./rank1dynamic-0.4.0.nix { };

          distributed-process =
            haskellPackagesNew.callPackage ./distributed-process-0.7.4.nix { };

          containers =
            haskellPackagesNew.callPackage ./containers-0.5.11.0.nix { };

          distributed-static =
            haskellPackagesNew.callPackage ./distributed-static-0.3.8.nix { };

        };
      };
    };
  };

in
{ pkgs ? import (builtins.fetchTarball {
    url = "https://github.com/NixOS/nixpkgs/archive/1a88aa9e0cd.tar.gz";
    sha256 = "076zlppa0insiv9wklk4h45m7frq1vfs43vsa11l8bm5i5qxzk6r";
  }) { inherit config; }
}:
with pkgs.haskell.lib;
let
  parallel-julia = addExtraLibrary (pkgs.haskellPackages.callPackage ./pkg.nix {
  }) pkgs.libuv;
in
  parallel-julia