[ns] ns2 error when writing make in the shell command

[Fatma Al-Rashed]

Hello

I need your help! Iam working in network project ( ad hoc network) and I
need to do some changes in aodv.cc and then writing the make command in the
shell but when I write the command the following error occurs

Makefile:168: *** commands commence before first target.  Stop.

can somebody help me

thanks