yacc and lex rules in the primary Makefile. Added comments to rules.mk explaining that Berkeley yacc should be used. Modified files: Makefile, rules.mk git-svn-id: svn://10.0.0.236/trunk@78884 18797224-902f-48f8-a5cc-f745e15eee43
git-svn-id: svn://10.0.0.236/trunk@64788 18797224-902f-48f8-a5cc-f745e15eee43