{ lib
, stdenv
, pkgs
, makeSetupHook
, waf
}:

makeSetupHook {
  name = "waf-setup-hook";

  substitutions = {
    # Sometimes the upstream provides its own waf file; in order to honor it,
    # waf is not inserted into propagatedBuildInputs, rather it is inserted
    # directly
    inherit waf;
    wafCrossFlags = lib.optionalString (stdenv.hostPlatform.system != stdenv.targetPlatform.system)
      ''--cross-compile "--cross-execute=${stdenv.targetPlatform.emulator pkgs}"'';
  };

  meta = {
    description = "A setup hook for using Waf in Nixpkgs";
    inherit (waf.meta) maintainers platforms broken;
  };
} ./setup-hook.sh