module RbSys::Mkmf

def cargo_command(cargo_dir, builder)
  dest_path = File.join(Dir.pwd, "target")
  args = []
  cargo_cmd = builder.cargo_command(cargo_dir, dest_path, args)
  Shellwords.join(cargo_cmd).gsub("\\=", "=").gsub(/\Acargo/, "$(CARGO)")
end