Most probably Peter, is there some way how to get rid of this: CXX ForkedCalls.o /usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4/tr1_impl/functional: In static member function 'static void boost::detail::function::void_function_obj_invoker2<FunctionObj, R, T0, T1>::invoke(boost::detail::function::function_buffer&, T0, T1) [with FunctionObj = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = int, T1 = int]': ../../boost/boost/function/function_template.hpp:913: instantiated from 'void boost::function2<R, T1, T2>::assign_to(Functor) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = int, T1 = int]' ../../boost/boost/function/function_template.hpp:722: instantiated from 'boost::function2<R, T1, T2>::function2(Functor, typename boost::enable_if_c<boost::type_traits::ice_not::value, int>::type) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = int, T1 = int]' ../../boost/boost/function/function_template.hpp:1064: instantiated from 'boost::function<R ()(T0, T1)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not::value, int>::type) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = pid_t, T1 = int]' ../../boost/boost/signals/slot.hpp:111: instantiated from 'boost::slot<SlotFunction>::slot(const F&) [with F = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, SlotFunction = boost::function<void ()(pid_t, int)>]' ForkedCalls.cpp:451: instantiated from here /usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4/tr1_impl/functional:1226: warning: type qualifiers ignored on function return type ../../boost/boost/function/function_template.hpp:913: instantiated from 'void boost::function2<R, T1, T2>::assign_to(Functor) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = int, T1 = int]' ../../boost/boost/function/function_template.hpp:722: instantiated from 'boost::function2<R, T1, T2>::function2(Functor, typename boost::enable_if_c<boost::type_traits::ice_not::value, int>::type) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = int, T1 = int]' ../../boost/boost/function/function_template.hpp:1064: instantiated from 'boost::function<R ()(T0, T1)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not::value, int>::type) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = pid_t, T1 = int]' ../../boost/boost/signals/slot.hpp:111: instantiated from 'boost::slot<SlotFunction>::slot(const F&) [with F = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, SlotFunction = boost::function<void ()(pid_t, int)>]' ForkedCalls.cpp:451: instantiated from here /usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4/tr1_impl/functional:1213: warning: type qualifiers ignored on function return type ../../boost/boost/function/function_template.hpp:913: instantiated from 'void boost::function2<R, T1, T2>::assign_to(Functor) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = int, T1 = int]' ../../boost/boost/function/function_template.hpp:722: instantiated from 'boost::function2<R, T1, T2>::function2(Functor, typename boost::enable_if_c<boost::type_traits::ice_not::value, int>::type) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = int, T1 = int]' ../../boost/boost/function/function_template.hpp:1064: instantiated from 'boost::function<R ()(T0, T1)>::function(Functor, typename boost::enable_if_c<boost::type_traits::ice_not::value, int>::type) [with Functor = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, R = void, T0 = pid_t, T1 = int]' ../../boost/boost/signals/slot.hpp:111: instantiated from 'boost::slot<SlotFunction>::slot(const F&) [with F = std::tr1::_Bind<void (* ()(std::tr1::_Placeholder<1>, std::tr1::_Placeholder<2>))(pid_t, int)>, SlotFunction = boost::function<void ()(pid_t, int)>]' ForkedCalls.cpp:451: instantiated from here /usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4/tr1_impl/functional:1201: warning: type qualifiers ignored on function return type
pavel
