"'ref' is not a member of 'boost'" error when compiling legacy driver in C++11 mode

 [2016/06/21 18:23:13.340] src/mongo/client/examples/connect.cpp: In function 'int main(int, char**)':

 [2016/06/21 18:23:13.340] src/mongo/client/examples/connect.cpp:73:49: error: 'ref' is not a member of 'boost'

 [2016/06/21 18:23:13.340]          mongo::stdx::bind(&makeOstreamAppender, boost::ref(std::cout));

 [2016/06/21 18:23:13.340]                                                  ^

 [2016/06/21 18:23:13.340] src/mongo/client/examples/connect.cpp:73:49: note: suggested alternative:

 [2016/06/21 18:23:13.340] In file included from /usr/include/c++/4.8/memory:79:0,

 [2016/06/21 18:23:13.340]                  from /usr/include/boost/config/no_tr1/memory.hpp:21,

 [2016/06/21 18:23:13.340]                  from /usr/include/boost/smart_ptr/shared_ptr.hpp:27,

 [2016/06/21 18:23:13.340]                  from /usr/include/boost/shared_ptr.hpp:17,

 [2016/06/21 18:23:13.340]                  from src/mongo/client/dbclient_rs.h:20,

 [2016/06/21 18:23:13.340]                  from src/mongo/client/dbclient.h:59,

 [2016/06/21 18:23:13.340]                  from src/mongo/client/examples/connect.cpp:29:

 [2016/06/21 18:23:13.340] /usr/include/c++/4.8/functional:493:5: note:   'std::ref'

 [2016/06/21 18:23:13.340]      ref(reference_wrapper<_Tp> __t) noexcept

 [2016/06/21 18:23:13.340]      ^

 [2016/06/21 18:23:13.644] scons: *** [build/linux2/64/c++11_on/ssl/mongo/client/examples/connect.o] Error 1

 [2016/06/21 18:23:14.365] scons: building terminated because of errors.