compile error on os x.3

[Florian Goessmann <florian goessmann gmail com>]

hello everybody

compiling gtkmm 2.4.2 produces this error:

ld: Undefined symbols:
non-virtual thunk [nv:-12] to Gtk::Bin::~Bin [in-charge deleting]()
non-virtual thunk [nv:-12] to Gtk::Bin::~Bin [in-charge]()
non-virtual thunk [nv:-12] to Gtk::Widget::~Widget [in-charge 
deleting]()
non-virtual thunk [nv:-12] to Gtk::Widget::~Widget [in-charge]()
non-virtual thunk [nv:-12] to Gtk::Window::~Window [in-charge 
deleting]()
non-virtual thunk [nv:-12] to Gtk::Window::~Window [in-charge]()
non-virtual thunk [nv:-12] to Gtk::Container::~Container [in-charge 
deleting]()
non-virtual thunk [nv:-12] to Gtk::Container::~Container [in-charge]()
virtual thunk [v:0,-16] to Atk::Implementor::~Implementor [in-charge 
deleting]()
virtual thunk [v:0,-16] to Atk::Implementor::~Implementor [in-charge]()
virtual thunk [v:0,-16] to Gtk::Bin::~Bin [in-charge deleting]()
virtual thunk [v:0,-16] to Gtk::Bin::~Bin [in-charge]()
virtual thunk [v:0,-16] to Gtk::Object::~Object [in-charge deleting]()
virtual thunk [v:0,-16] to Gtk::Object::~Object [in-charge]()
virtual thunk [v:0,-16] to Gtk::Widget::~Widget [in-charge deleting]()
virtual thunk [v:0,-16] to Gtk::Widget::~Widget [in-charge]()
virtual thunk [v:0,-16] to Gtk::Window::~Window [in-charge deleting]()
virtual thunk [v:0,-16] to Gtk::Window::~Window [in-charge]()
virtual thunk [v:0,-16] to Gtk::Container::~Container [in-charge 
deleting]()
virtual thunk [v:0,-16] to Gtk::Container::~Container [in-charge]()
virtual thunk [v:0,-16] to Glib::Object::~Object [in-charge deleting]()
virtual thunk [v:0,-16] to Glib::Object::~Object [in-charge]()
virtual thunk [v:0,-16] to Glib::Interface::~Interface [in-charge 
deleting]()
virtual thunk [v:0,-16] to Glib::Interface::~Interface [in-charge]()
virtual thunk [v:0,-28] to Gtk::Object::destroy_notify_()
virtual thunk [v:0,-32] to Gtk::Object::set_manage()
virtual thunk [v:0,-32] to Gtk::Window::set_manage()
make[4]: *** [example] Error 1
make[3]: *** [all-recursive] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

i have gtk+ 2.4.9 and libsgc++ 2.0.3 installed. i myself don't have any 
idea what causes this error; any hints are most welcome.

regards
florian