#include <boost/archive/text_oarchive.hpp>

#include <iostream>

struct X2{

template<class Archive>

void serialize(Archive &, const unsigned int){}

};

BOOST_CLASS_IMPLEMENTATION(X2, boost::serialization::object_class_info)

BOOST_SYMBOL_EXPORT bool g(){

boost::archive::text_oarchive(std::cout) & X2();

return true;

}