validationinterface.cpp:80:186:   required from here
/usr/include/boost/signals2/connection.hpp:234:7: error: ‘boost::signals2::scoped_connection::scoped_connection(const boost::signals2::scoped_connection&)’ is private
       scoped_connection(const scoped_connection &other);
       ^
In file included from /usr/include/c++/4.8/utility:70:0,
                 from /usr/include/c++/4.8/algorithm:60,
                 from ./prevector.h:13,
                 from ./script/script.h:10,
                 from ./primitives/transaction.h:11,
                 from ./validationinterface.h:9,
                 from validationinterface.cpp:6:
/usr/include/c++/4.8/bits/stl_pair.h:134:45: error: within this context
  : first(std::forward<_U1>(__x)), second(__y) { }

ninja check