{
  pkgs ? (import ./pkgs.nix { }),
}:

pkgs.callPackage (
  {
    stdenv,
    bluespec,
    nextpnr,
    openfpgaloader,
    trellis,
    which,
    yosys,
  }:
  stdenv.mkDerivation {
    pname = "bluespec-joh-template";
    version = "0.1.0";
    src = ./.;

    # Versions can be checked with
    # `nix eval --json ".#bluespec-joh-template.nativeBuildInputs" | nix-shell -p jq --run jq`
    nativeBuildInputs = [
      bluespec
      nextpnr
      openfpgaloader
      trellis
      which
      yosys
    ];

    makeFlags = [
      "-C"
      "ulx3s_fpga"
      "mkTop.bit"
    ];

    installPhase = ''
      runHook preInstall

      mkdir -p $out
      cp ./ulx3s_fpga/mkTop.bit $out/

      runHook postInstall
    '';

    passthru = { inherit pkgs; };
  }
) { }