[ns] Error while make command

Hi All,

MAKE is giving me the following error.

mac/channel.cc:631: error: 'class WirelessPhy' has no member named
'getAntennaZ'
mac/channel.cc:632: error: 'class WirelessPhy' has no member named
'getAntennaZ'
mac/channel.cc:640: error: 'class WirelessPhyExt' has no member named
'getPt'
mac/channel.cc:645: error: 'class WirelessPhy' has no member named 'getDist'
mac/channel.cc:645: error: 'class WirelessPhy' has no member named
'getCSThresh'
mac/channel.cc:645: error: 'class WirelessPhy' has no member named 'getPt'
make: *** [mac/channel.o] Error 1

Please help!

Regards
Manonmani