#ifndef RS_GUI_WIDGETS_STATICTEXT_HPP

#define RS_GUI_WIDGETS_STATICTEXT_HPP

#include <boost/scoped_ptr.hpp>

#include <boost/serialization/access.hpp>

#include <boost/serialization/base_object.hpp>

#include <boost/serialization/string.hpp>

#include <boost/serialization/extended_type_info_no_rtti.hpp>

#include <boost/serialization/export.hpp>

#include <rs/gui/widgets/Widget.hpp>

#include <rs/gui/Text.hpp>

namespace rs

{

class StaticText : public Widget

{

public:

StaticText( std::string const& text );

void Update();

void Render( RenderSystem& renderer, Camera& camera );

char const* get_key() const;

private:

StaticText() {}

template< class Archive >

void serialize( Archive& archive, unsigned int version )

{

archive & boost::serialization::base_object<Widget>( *this );

std::string text;

archive & text;

m_text.reset( new Text( text ) );

}

boost::scoped_ptr<Text> m_text;

friend class boost::serialization::access;

};

}

BOOST_CLASS_TYPE_INFO(

rs::StaticText,

extended_type_info_no_rtti<rs::StaticText>

)

BOOST_CLASS_EXPORT( rs::StaticText )

#endif // RS_GUI_WIDGETS_STATICTEXT_HPP

When I compile this into a LIB first, and then link the lib into an EXE, the linker says this (Visual Studio 2008):

gui.lib(StaticText.obj) : error LNK2005: "public: static struct boost::archive::detail::guid_initializer<class rs::StaticText> const & const boost::archive::detail::init_guid<class rs::StaticText>::guid_initializer" (?guid_initializer@?$init_guid@VStaticText@rs@@@detail@archive@boost@@2ABU?$guid_initializer@VStaticText@rs@@@234@B) already defined in main.obj

If I move the 2 macro calls into the StaticText.cpp file, everything compiles/links just fine but I end up getting an exception thrown at runtime that says "unregistered void cast".