update Makefile

diff --git a/Robust/src/Makefile b/Robust/src/Makefile
index a5b078cddab1153d3dd1e8e372327ae47887decb..ab4eb65a8b01697f2de627acadb22d08497ff8f8 100644 (file)
--- a/Robust/src/Makefile
+++ b/Robust/src/Makefile
@@ -15,14 +15,10 @@ all: Parse/Sym.class Parse/Parser.class $(CLASSFILES)
 
 Parse/Parser.java Parse/Sym.java: Parse/java14.cup
        cd Parse && \
-        java -cp ../../cup:$CLASSPATH java_cup.Main -parser Parser -symbols Sym < java14.cup
+        java -cp ../../cup:$(CLASSPATH) java_cup.Main -parser Parser -symbols Sym < java14.cup
 
 %.class: %.java
-       javac -cp ../cup:.:$CLASSPATH $<
+       javac -cp ../cup:.:$(CLASSPATH) $<
 
 clean:
-       rm Tree/*.class Main/*.class Lex/*.class
-       rm Parse/*.class Parse/Sym.java Parse/Parser.java
-               
-       
-       
\ No newline at end of file
+       rm Tree/*.class Main/*.class Lex/*.class Parse/*.class Parse/Sym.java Parse/Parser.java