Apps having issues building ROM with CM source

[chevboy_0]

I have been trying to get my first ROM build going but when i run this code

make -j`grep 'processor' /proc/cpuinfo | wc -l` CYANOGEN_WITH_GOOGLE=true otapackage

it does its thing and this is what I get

p { margin-bottom: 0.08in; } ============================================
Checking build tools versions...
************************************************************
You are attempting to build with the incorrect version
of javac.

Your version is: /bin/bash: javac: command not found.
The correct version is: 1.6.

Please follow the machine setup instructions at
Get Android Source Code | Android Open Source
************************************************************
build/core/main.mk:130: *** stop. Stop.





Is there a way to update javac?