HI, im newbie with boost, i have a doubt about how to know which libraries u have to link when u compile a cpp file,  in the example below for example which would be the libraries to link?

i do for example c++ -I boostdirectory myfile.cpp -o myfile [   and here?    ]. Im working with ubuntu, and boost 4.0
thanks

//
// timer.cpp
// ~~~~~~~~~

//
// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying

// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#include <iostream>

#include <boost/asio.hpp>

#include <boost/date_time/posix_time/posix_time.hpp>


int main()
{
  boost::asio::io_service io;


  boost::asio::deadline_timer t(io, boost::posix_time::seconds(5));

  t.wait();

  std::cout << "Hello, world!\n";


  return 0;
}