[ns] Make doesn't reflect changes in .cc, .h files !!!!

[sachin dahiya]

respected sir
i m working on ns-2.29 on cygwin on window xp.
i m trying to implement selective tcp which is the modification in existing
newreno tcp version.i have changed the tcpnewreno.cc,tcp sink.cc.tcp.h,
tcpsink.h.
when i recompile ns by make clean ,make depend ,make commands the stcp stiil
not work.
make depend and make command show error like error1 and error2 in the last
line when i run these command.
will u please tell me the procedure how to make these changes effective.
with regards
sachin