{ lib, stdenv, pkgs, makeSetupHook, waf }:
makeSetupHook {
substitutions = {
inherit waf;
crossFlags = lib.optionalString (stdenv.hostPlatform.system != stdenv.targetPlatform.system)
''--cross-compile "--cross-execute=${stdenv.targetPlatform.emulator pkgs}"'';
};
} ./setup-hook.sh