install error

hi
I am trying to install opensolaris on an ultrasparc and I am getting the 
following error from the nightly ( in the mail messages folder )
Compiler not found 
It runs for a minute and then exits with the above error message !! 
I have installed the Sun Studio 10 compilers as per instructions and also the 
install log reads :"Install successful", but the nightly script keeps failing\
Can anyone help me out here 
thanks
fl
 
 
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