make [1] deixando o erro de diretório

Question

Quando executo o comando make para fazer o patch do CRCN no ns2 no Ubuntu 12.04, enfrento este erro:

make[1]: Entering directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/cmu-scen-gen/setdest'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/cmu-scen-gen/setdest'
make[1]: Entering directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/dec'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/dec'
make[1]: Entering directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/epa'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/epa'
make[1]: Entering directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/nlanr'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/nlanr'
make[1]: Entering directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/ucb'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/apadana/ns-allinone-2.31/ns-2.31/indep-utils/webtrace-conv/ucb'

O que há de errado?

Eu ficaria grato se alguém pudesse me ajudar. Agradecemos antecipadamente.