unresolved: boost::archive::detail::archive_pointer_oserializer<Archive>::find(...) referenced in: boost::archive::detail::save_pointer_type<Archive, T *>::polymorphic<T>::save(...)
unresolved: boost::serialization::void_downcast(...) referenced in: boost::archive::detail::save_pointer_type<Archive, T *>::polymorphic<T>::save(...)
unresolved: boost::serialization::detail::extended_type_info_typeid_0::get_derived_extended_type_info(...) referenced in: boost::serialization::detail::extended_type_info_typeid_1<T const >::get_derived_extended_type_info(...)
// linker errors using boost serialization on polymorphic class
#include <boost/archive/xml_woarchive.hpp>
#include <boost/serialization/nvp.hpp>
using boost::archive::xml_woarchive;
using std::wofstream;
class Foo
{
public:
virtual ~Foo() {}; // It's the 'virtual' keyword that seems to cause the linker errors.
private:
friend class boost::serialization::access;
template<class Archive>
void serialize(Archive &archive, const unsigned int version);
int m_i;
};
template<class Archive>
void Foo::serialize(Archive &archive, const unsigned int /* version */)
{
archive & BOOST_SERIALIZATION_NVP(m_i);
}
template <class Archive>
void failToLink(Archive &archive)
{
wofstream stream(L"Foo.xml");
xml_woarchive archive(stream);
Foo foo;
Foo *pFoo = new Foo;
// archive << BOOST_SERIALIZATION_NVP(foo); // ok
archive << BOOST_SERIALIZATION_NVP(pFoo); // linker fails
}
Foo.obj : error LNK2019: unresolved external symbol "public: static class boost::archive::detail::basic_pointer_oserializer const * __fastcall boost::archive::detail::archive_pointer_oserializer<class boost::archive::xml_woarchive>::find(class boost::serialization::extended_type_info const &)" (?find@?$archive_pointer_oserializer@Vxml_woarchive@archive@boost@@@detail@archive@boost@@SIPBVbasic_pointer_oserializer@234@ABVextended_type_info@serialization@4@@Z) referenced in function "public: static void __fastcall boost::archive::detail::save_pointer_type<class boost::archive::xml_woarchive,class Foo *>::polymorphic<class Foo>::save(class boost::archive::xml_woarchive &,class Foo const &,class boost::archive::detail::basic_pointer_oserializer const *)" (?save@?$polymorphic@VFoo@@@?$save_pointer_type@Vxml_woarchive@archive@boost@@PAVFoo@@@detail@archive@boost@@SIXAAVxml_woarchive@45@ABVFoo@@PBVbasic_pointer_oserializer@345@@Z)
Foo.obj : error LNK2019: unresolved external symbol "void const * __fastcall boost::serialization::void_downcast(class boost::serialization::extended_type_info const &,class boost::serialization::extended_type_info const &,void const * const,bool)" (?void_downcast@serialization@boost@@YIPBXABVextended_type_info@12@0QBX_N@Z) referenced in function "public: static void __fastcall boost::archive::detail::save_pointer_type<class boost::archive::xml_woarchive,class Foo *>::polymorphic<class Foo>::save(class boost::archive::xml_woarchive &,class Foo const &,class boost::archive::detail::basic_pointer_oserializer const *)" (?save@?$polymorphic@VFoo@@@?$save_pointer_type@Vxml_woarchive@archive@boost@@PAVFoo@@@detail@archive@boost@@SIXAAVxml_woarchive@45@ABVFoo@@PBVbasic_pointer_oserializer@345@@Z)
Foo.obj : error LNK2019: unresolved external symbol "protected: static class boost::serialization::extended_type_info const * __fastcall boost::serialization::detail::extended_type_info_typeid_0::get_derived_extended_type_info(class type_info const &)" (?get_derived_extended_type_info@extended_type_info_typeid_0@detail@serialization@boost@@KIPBVextended_type_info@34@ABVtype_info@@@Z) referenced in function "public: static class boost::serialization::extended_type_info const * __fastcall boost::serialization::detail::extended_type_info_typeid_1<class Foo const >::get_derived_extended_type_info(class Foo const &)" (?get_derived_extended_type_info@?$extended_type_info_typeid_1@$$CBVFoo@@@detail@serialization@boost@@SIPBVextended_type_info@34@ABVFoo@@@Z)
Any ideas would be much appreciated.
[Edit: fixed error summary for 2nd linker error.] [Edit: problem solved; pre-built libraries used different calling convention.] [Edited by - Happy Noodle Boy on October 16, 2007 2:39:42 AM]
