[boost] [signals] failure to build with recent gcc

Subject: [boost] [signals] failure to build with recent gcc
From: Patrick Horgan (phorgan1_at_[hidden])
Date: 2010-12-19 20:52:44

I get a number of the same failures when doing a clean build of boost 
trunk with a recent gcc (4.6.0).

libs/signals/src/named_slot_map.cpp:105:23:   instantiated from here
/usr/local/lib/gcc/i686-pc-linux-gnu/4.6.0/../../../../include/c++/4.6.0/bits/stl_map.h:626:9: 
error: call of overloaded 
‘erase(std::map<boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair>, 
boost::function2<bool, boost::signals::detail::stored_group, 
boost::signals::detail::stored_group> >::iterator&)’ is ambiguous
/usr/local/lib/gcc/i686-pc-linux-gnu/4.6.0/../../../../include/c++/4.6.0/bits/stl_map.h:626:9: 
note: candidates are:
/usr/local/lib/gcc/i686-pc-linux-gnu/4.6.0/../../../../include/c++/4.6.0/bits/stl_tree.h:763:7: 
note: void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, 
_Alloc>::erase(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, 
_Alloc>::const_iterator) [with _Key = 
boost::signals::detail::stored_group, _Val = std::pair<const 
boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair> >, _KeyOfValue = 
std::_Select1st<std::pair<const boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair> > >, _Compare = 
boost::function2<bool, boost::signals::detail::stored_group, 
boost::signals::detail::stored_group>, _Alloc = 
std::allocator<std::pair<const boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair> > >, 
std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator 
= std::_Rb_tree_const_iterator<std::pair<const 
boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair> > >]
/usr/local/lib/gcc/i686-pc-linux-gnu/4.6.0/../../../../include/c++/4.6.0/bits/stl_tree.h:1490:5: 
note: std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, 
_Alloc>::size_type std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, 
_Alloc>::erase(const _Key&) [with _Key = 
boost::signals::detail::stored_group, _Val = std::pair<const 
boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair> >, _KeyOfValue = 
std::_Select1st<std::pair<const boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair> > >, _Compare = 
boost::function2<bool, boost::signals::detail::stored_group, 
boost::signals::detail::stored_group>, _Alloc = 
std::allocator<std::pair<const boost::signals::detail::stored_group, 
std::list<boost::signals::detail::connection_slot_pair> > >, 
std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::size_type = 
unsigned int]

Patrick