gistfile1.txt

#include <boost/serialization/base_object.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/serialization/export.hpp>

struct base {
    virtual ~base() {}

    template<class Archive>
    void serialize(Archive & ar, const unsigned int version) {
    }
};

struct derived : base {
    template<class Archive>
    void serialize(Archive & ar, const unsigned int version) {
        ar & boost::serialization::base_object<base>(*this);
    }    
};

BOOST_CLASS_EXPORT_GUID(derived, "derived")

int main() {
    base* b = new derived;

    boost::archive::text_oarchive oa(std::cout);
    oa & b;
}

// prints
// 22 serialization::archive 10 1 7 derived 1 0
// 0 1 0
// 1