TESTS = threads p1-1 p1-2 p1-3 list stdlib userprog p2 vm filesys
+PATH := $(shell pwd)/../src/utils:$(PATH)
+
+all:
+ @echo "This Makefile has only \`check' targets."
+
check:
$(MAKE) -C .. distclean
for d in $(TESTS); do $(MAKE) $$d || exit 1; done