NS2 Help for Makefile

[Manan Shah]

Hello Friends
I have configured ping example in NS2 with necessary changes.
but when i run make, i got the following error.

for i in indep-utils/cmu-scen-gen/setdest indep-utils/webtrace-conv/dec indep-utils/webtrace-conv/epa indep-utils/webtrace-conv/nlanr indep-utils/webtrace-conv/ucb; do ( cd $i; make all; ) done
make[1]: Entering directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/cmu-scen-gen/setdest'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/cmu-scen-gen/setdest'
make[1]: Entering directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/dec'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/dec'
make[1]: Entering directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/epa'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/epa'
make[1]: Entering directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/nlanr'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/nlanr'
make[1]: Entering directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/ucb'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/mstudent/ns-allinone-2.33/ns-2.33/indep-utils/webtrace-conv/ucb'

anyone can tell me how can i resolve this error?
thanks in advance.