class MyObject < Rscons::Builder
  def run(options)
    target, sources, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
    env.run_builder(env.builders["Object"].new(env: env, target: target, sources: sources, cache: cache, vars: vars), target, sources, cache, vars)
  end
end

build do
  Environment.new do |env|
    env.add_builder(MyObject)
    env.MyObject("simple.o", "simple.c")
    env.Program("simple.exe", "simple.o")
  end
end