Something

/usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../include/c++/4.0.2/ext/hashtable.h: In member function 'size_t __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::_M_bkt_num_key(const _Key&, size_t) const [with _Val = std::pair<const String, std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > >, _Key = String, _HashFcn = __gnu_cxx::hash<String>, _ExtractKey = std::_Select1st<std::pair<const String, std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > >, _EqualKey = std::equal_to<String>, _Alloc = std::allocator<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > >]':
/usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../include/c++/4.0.2/ext/hashtable.h:588: instantiated from 'size_t __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::_M_bkt_num_key(const _Key&) const [with _Val = std::pair<const String, std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > >, _Key = String, _HashFcn = __gnu_cxx::hash<String>, _ExtractKey = std::_Select1st<std::pair<const String, std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > >, _EqualKey = std::equal_to<String>, _Alloc = std::allocator<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > >]'
/usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../include/c++/4.0.2/ext/hashtable.h:511: instantiated from '__gnu_cxx::_Hashtable_iterator<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc> __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::find(const _Key&) [with _Val = std::pair<const String, std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > >, _Key = String, _HashFcn = __gnu_cxx::hash<String>, _ExtractKey = std::_Select1st<std::pair<const String, std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > > >, _EqualKey = std::equal_to<String>, _Alloc = std::allocator<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > >]'
/usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../include/c++/4.0.2/ext/hash_map:225: instantiated from 'typename __gnu_cxx::hashtable<std::pair<const _Key, _Tp>, _Key, _HashFcn, std::_Select1st<std::pair<const _Key, _Tp> >, _EqualKey, _Alloc>::iterator __gnu_cxx::hash_map<_Key, _Tp, _HashFcn, _EqualKey, _Alloc>::find(const typename __gnu_cxx::hashtable<std::pair<const _Key, _Tp>, _Key, _HashFcn, std::_Select1st<std::pair<const _Key, _Tp> >, _EqualKey, _Alloc>::key_type&) [with _Key = String, _Tp = std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> >, _HashFcn = __gnu_cxx::hash<String>, _EqualKey = std::equal_to<String>, _Alloc = std::allocator<std::vector<boost::filesystem::path, std::allocator<boost::filesystem::path> > >]'