#include <boost/archive/binary_oarchive.hpp>
#include <boost/serialization/export.hpp>
#include <fstream>

class base {
public:
  virtual ~base() {}
private:
  friend class boost::serialization::access;
  template<class Archive>
  void serialize(Archive &ar, const unsigned int version)
  {
  }
};

class wrapper {
protected:
  class derived : public base {
  private:
    friend class boost::serialization::access;
    template<class Archive>
    void serialize(Archive &ar, const unsigned int version)
    {
      boost::serialization::base_object<base>(*this);
    }
  };
public:
  wrapper() : b(new derived()) {}
private:
  base *b;
  friend class boost::serialization::access;
  template<class Archive>
  void serialize(Archive &ar, const unsigned int version)
  {
    ar & b;
  }
  // uncommenting this line and the line below appear to work, so i'll write a macro for those.
  //static ::boost::archive::detail::guid_initializer< wrapper::derived > const & guid_initializer;
};

//::boost::archive::detail::guid_initializer< wrapper::derived > const & wrapper::guid_initializer = ::boost::serialization::singleton< ::boost::archive::detail::guid_initializer< wrapper::derived > >::get_mutable_instance().export_guid("derived");

BOOST_CLASS_EXPORT_GUID(wrapper::derived, "wrapper::derived");

main()
{
  std::ofstream s("/tmp/foo.out");
  boost::archive::binary_oarchive a(s);

  wrapper o = wrapper();
  
  a & o;
}