michael@0: define COMMAND
michael@0: $(1)
michael@0:  	$(1)
michael@0: 
michael@0: endef
michael@0: 
michael@0: all:
michael@0: 	$(call COMMAND,@true #TEST-FAIL)
michael@0: 	$(call COMMAND,-exit 4)
michael@0: 	$(call COMMAND,@-exit 1 # TEST-FAIL)
michael@0: 	$(call COMMAND,-@exit 1 # TEST-FAIL)
michael@0: 	$(call COMMAND,+exit 0)
michael@0: 	$(call COMMAND,+-exit 1)
michael@0: 	$(call COMMAND,@+exit 0 # TEST-FAIL)
michael@0: 	$(call COMMAND,+@exit 0 # TEST-FAIL)
michael@0: 	$(call COMMAND,-+@exit 1 # TEST-FAIL)
michael@0: 	$(call COMMAND,+-@exit 1 # TEST-FAIL)
michael@0: 	$(call COMMAND,@+-exit 1 # TEST-FAIL)
michael@0: 	$(call COMMAND,@+-@+-exit 1 # TEST-FAIL)
michael@0: 	$(call COMMAND,@@++exit 0 # TEST-FAIL)
michael@0: 	@echo TEST-PASS