plz plz plz help me
 

in PVM building i did:
PVM_ROOT=/usr/local/pvm3
PVM_DPATH=$PVM_ROOT/lib/pvmd
export PVM_ROOT PVM_DPATH

after make i got this message as: make
building in src
cd src; ../lib/aimk install
aimk: PVM_ROOT not defined
make: *** [s] Error 1
so plz help. its urgent

Please, don't demand for urgent help, since it's considered somehow rude for a community of volunteers. Also please, use better titles in the future, since "Help" does not reveal the topic of the question and many users may simply ignore that.

Regarding your question, most likely you have to export the defined variables:

- are you running all these instructions in the same login session?
- have you tried to type echo $PVM_ROOT to make sure the parameter has a value ?