+#ifdef PLATFORM_WINDOWS
+/* luabridge uses addresses of static functions/variables to identify classes.
+ *
+ * Static symbols on windows (even identical symbols) are not
+ * mapped to the same address when mixing .dll + .exe.
+ * So we need a single point to define those static functions.
+ * (normally they're header-only in libs/lua/LuaBridge/detail/ClassInfo.h)
+ *
+ * Really!! A static function with a static variable in a library header
+ * should never ever be replicated, even if it is a template.
+ * But then again this is windows... what else can go wrong.
+ */
+
+template <class T>
+void const*
+luabridge::ClassInfo<T>::getStaticKey ()
+{
+ static char value;
+ return &value;
+}
+
+template <class T>
+void const*
+luabridge::ClassInfo<T>::getClassKey ()
+{
+ static char value;
+ return &value;
+}
+
+template <class T>
+void const*
+luabridge::ClassInfo<T>::getConstKey ()
+{
+ static char value;
+ return &value;
+}
+
+void*
+luabridge::getIdentityKey ()
+{
+ static char value;
+ return &value;
+}
+
+/* ...and this is the ugly part of it.
+ *
+ * We need to foward declare classes from gtk2_ardour
+ * end explicily list classes which are used by gtk2_ardour's bindings.
+ *
+ * This is needed because some of the GUI classes use objects from libardour
+ * as function parameters and the .exe would re-create symbols for libardour
+ * objects.
+ *
+ * Classes which don't use libardour symbols could be moved to
+ * gtk2_ardour/luainstance.cc, but keeping this here reduces code
+ * duplication and does not give the compiler a chance to even think
+ * about replicating the symbols.
+ */
+
+#define CLASSKEYS(CLS) \
+ template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
+ template void const* luabridge::ClassInfo< CLS >::getClassKey(); \
+ template void const* luabridge::ClassInfo< CLS >::getConstKey();
+
+#define CLASSINFO(CLS) \
+ class CLS; \
+ template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
+ template void const* luabridge::ClassInfo< CLS >::getClassKey(); \
+ template void const* luabridge::ClassInfo< CLS >::getConstKey();
+
+CLASSINFO(MarkerSelection);
+CLASSINFO(TrackSelection);
+CLASSINFO(TrackViewList);
+CLASSINFO(TimeSelection);
+CLASSINFO(RegionSelection);
+CLASSINFO(PublicEditor);
+CLASSINFO(Selection);
+CLASSINFO(ArdourMarker);
+
+namespace Cairo {
+ class Context;
+}
+CLASSKEYS(Cairo::Context);
+CLASSKEYS(std::vector<double>);
+CLASSKEYS(std::list<ArdourMarker*>);
+CLASSKEYS(std::bitset<47ul>); // LuaSignal::LAST_SIGNAL
+CLASSKEYS(ArdourMarker*);
+CLASSKEYS(ARDOUR::RouteGroup);
+CLASSKEYS(ARDOUR::LuaProc);
+CLASSKEYS(ARDOUR::DataType);
+CLASSKEYS(ARDOUR::ChanCount);
+CLASSKEYS(boost::shared_ptr<ARDOUR::Processor>);
+CLASSKEYS(ARDOUR::ParameterDescriptor);
+CLASSKEYS(boost::shared_ptr<ARDOUR::AutomationList>);
+CLASSKEYS(boost::shared_ptr<Evoral::ControlList>);
+CLASSKEYS(ARDOUR::LuaOSC::Address);
+CLASSKEYS(ARDOUR::Session);
+CLASSKEYS(ARDOUR::BufferSet);
+CLASSKEYS(ARDOUR::ChanMapping);
+CLASSKEYS(ARDOUR::DSP::DspShm);
+CLASSKEYS(PBD::ID);
+CLASSKEYS(ARDOUR::Location);
+CLASSKEYS(ARDOUR::PluginInfo);
+CLASSKEYS(PBD::PropertyChange);
+CLASSKEYS(std::vector<std::string>);
+CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Route> >);
+CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Port> >);
+CLASSKEYS(boost::shared_ptr<ARDOUR::PluginInfo>);
+CLASSKEYS(boost::shared_ptr<ARDOUR::Region>);
+CLASSKEYS(boost::weak_ptr<ARDOUR::Route>);
+CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Region> >);
+CLASSKEYS(std::list<ARDOUR::AudioRange>);
+CLASSKEYS(Evoral::Beats);
+CLASSKEYS(ARDOUR::PortEngine);
+CLASSKEYS(ARDOUR::PortManager);
+CLASSKEYS(ARDOUR::AudioEngine);
+CLASSKEYS(void);
+CLASSKEYS(float);
+
+#endif // end windows special case
+