JAVAC = javac JAVA = java -ea JFLAGS = -g STYLEPROG = style61b SRCS = Sort.java .PHONY: default style check clean default: Sort.class style: $(STYLEPROG) $(SRCS) check: default SortTesting.class $(JAVA) org.junit.runner.JUnitCore SortTesting clean: $(RM) *.class *~ Sort.class: $(SRCS) $(JAVAC) $(JFLAGS) $(SRCS) SortTesting.class: $(SRCS) SortTesting.java $(JAVAC) $(JFLAGS) $(SRCS) SortTesting.java