Peter, i see this warning with gcc:
make all-am
make[1]: Entering directory `/home/paf/lyx/devel/src/support'
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
AR liblyxsupport.a
make[1]: Leaving directory `/home/paf/lyx/devel/src/support'
