eldavey@eldavey:~/mozilla$ sudo make -f client.mk checkout
/home/eldavey/.mozconfig: line 1: /home/eldavey/mozilla/browser/config/mozconfig: No such file or directory
client.mk:358: /home/eldavey/mozilla/.mozconfig.mk: No such file or directory
make: *** No rule to make target `/home/eldavey/mozilla/.mozconfig.mk'.  Stop.
eldavey@eldavey:~/mozilla$