tcp / tcp-sack-rh.cc: 68: error: extra qualification 'SackRHTcpAgent::' on member 'newack' make: *** [tcp/tcp-sack-rh.o] Error 1 make: *** [tcp / tcp-sack-rh.o] Error 1 Open tcp-sack-rh.cc , go to line 68, remove SackRHTcpAgent:: from the line. pgm / pgm-agent.cc: 307: error: extra qualification 'PgmAgent::' on member 'trace_event' make: *** [pgm/pgm-agent.o] Error 1 make: *** [pgm / pgm-agent.o] Error 1 Open pgm-agent.cc, go to line 307, remove PgmAgent:: from the line. pgm / pgm-sender.cc: 189: error: extra qualification 'PgmSender::' on member 'trace_event' make: *** [pgm/pgm-sender.o] Error 1 make: *** [pgm / pgm-sender.o] Error 1 Open pgm-sender.cc, remove PgmSender:: from line189. pgm / pgm-receiver.cc: 186: error: extra qualification 'PgmReceiver::' on member 'trace_event' make: *** [pgm/pgm-receiver.o] Error 1 make: *** [pgm / pgm-receiver.o] Error 1 Open pgm-receiver.cc, remove PgmReceiver:: from line 186. bluetooth / lmp-link.h: 296: error: extra qualification 'LMPLink::' on member 'LMPLink' bluetooth/bt-node.h:100: error: extra qualification 'BTNode::' on member 'setup' bluetooth / bt-node.h: 100: error: extra qualification 'BTNode::' on member 'setup' make: *** [bluetooth/baseband.o] Error 1 make: *** [bluetooth / baseband.o] Error 1 Open lmp-link.h, remove LMPLink:: from line296. Open bt-node.h, remove BTNode:: from line 100.