[Tinyos-help] Problem with 'make pc'

[Roberto]

> Hi,
> 
> 'PC' is not a correct argument to the make-command. You should  
> specify on
> which node-platform do you want to compile the program to. Eg.
> "make mica2" if your nodes are Mica2.

perhaps, is make pc used in previous versions of tinyOS?
Anyway the command make <platform> sim works only for micaz
I solved my problem installing g++. I hadn't this packet
Now, it seems work well
Thanks all