1 TRUE:=foo 2 FALSE:= 3 XY:=x y 4 X:=$(subst y, ,$(XY)) 5 Y:=$(subst x, ,$(XY)) 6 7 $(and ${TRUE}, $(info PASS_1)) 8 $(and ${FALSE}, $(info FAIL_2)) 9 # Too many arguments. 10 $(info $(and ${TRUE}, PASS, PASS)) 11 12 $(info $(and ${TRUE}, $(X) )) 13 $(info $(and ${TRUE}, $(Y) )) 14 $(and ${FALSE} , $(info FAIL_3)) 15 16 test: 17 echo OK 18
