JFLAGS=-g Parse/Main.class: Parse/*.java Parse/Yylex.java javac ${JFLAGS} Parse/*.java Parse/Yylex.java: Parse/Tiger.lex cd Parse; java JLex.Main Tiger.lex; mv Tiger.lex.java Yylex.java ErrorMsg/ErrorMsg.class: ErrorMsg/*.java javac ${JFLAGS} ErrorMsg/*.java clean: rm Parse/*.class ErrorMsg/*.class Parse/Yylex.java