https://svn.boost.org/trac10/ticket/3711 <p> worked in 1.39, not tested 1.40 the files compile, but a taste of the link errors (from top): </p> <p> debug/animlogic_1.o: In function `boost::serialization::extended_type_info_typeid&lt;anim_state&gt;::~extended_t ype_info_typeid()': animlogic.cpp:(.text._ZN5boost13serialization25extended_type_info_typeidI10anim_stateED2Ev[boost::serializ ation::extended_type_info_typeid&lt;anim_state&gt;::~extended_type_info_typeid()]+0x1f): undefined reference to `boost::serialization::extended_type_info::key_unregister() const' animlogic.cpp:(.text._ZN5boost13serialization25extended_type_info_typeidI10anim_stateED2Ev[boost::serializ ation::extended_type_info_typeid&lt;anim_state&gt;::~extended_type_info_typeid()]+0x28): undefined reference to `boost::serialization::typeid_system::extended_type_info_typeid_0::type_unregister()' animlogic.cpp:(.text._ZN5boost13serialization25extended_type_info_typeidI10anim_stateED2Ev[boost::serializ ation::extended_type_info_typeid&lt;anim_state&gt;::~extended_type_info_typeid()]+0x56): undefined reference to `boost::serialization::typeid_system::extended_type_info_typeid_0::~extended_type_info_typeid_0()' animlogic.cpp:(.text._ZN5boost13serialization25extended_type_info_typeidI10anim_stateED2Ev[boost::serializ ation::extended_type_info_typeid&lt;anim_state&gt;::~extended_type_info_typeid()]+0xb2): undefined reference to `boost::serialization::typeid_system::extended_type_info_typeid_0::~extended_type_info_typeid_0()' debug/animlogic_1.o: In function `boost::serialization::extended_type_info_typeid&lt;anim_state&gt;::~extended_t ype_info_typeid()': animlogic.cpp:(.text._ZN5boost13serialization25extended_type_info_typeidI10anim_stateED0Ev[boost::serializ ation::extended_type_info_typeid&lt;anim_state&gt;::~extended_type_info_typeid()]+0x1f): undefined reference to `boost::serialization::extended_type_info::key_unregister() const' animlogic.cpp:(.text._ZN5boost13serialization25extended_type_info_typeidI10anim_stateED0Ev[boost::serializ ation::extended_type_info_typeid&lt;anim_state&gt;::~extended_type_info_typeid()]+0x28): undefined reference to `boost::serialization::typeid_system::extended_type_info_typeid_0::type_unregister()' animlogic.cpp:(.text._ZN5boost13serialization25extended_type_info_typeidI10anim_stateED0Ev[boost::serializ ation::extended_type_info_typeid&lt;anim_state&gt;::~extended_type_info_typeid()]+0x56): undefined reference to `boost::serialization::typeid_system::extended_type_info_typeid_0::~extended_type_info_typeid_0()' </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/3711 Trac 1.4.3 Robert Ramey Sun, 06 Dec 2009 21:43:18 GMT https://svn.boost.org/trac10/ticket/3711#comment:1 https://svn.boost.org/trac10/ticket/3711#comment:1 <ul> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">wontfix</span> </li> </ul> <p> sorry, without a smaller example there's nothing I can do with this. </p> <p> Note that the library includes demos and tests of polymorphic archives. You might want to check if these function in your system. </p> <p> Robert Ramey </p> Ticket