TRUE:=foo
FALSE:=
XY:=x y
X:=$(subst y, ,$(XY))
Y:=$(subst x, ,$(XY))
$(or ${FALSE}, $(info PASS_1))
# expect "foo"
$(info $(or ${TRUE}, $(info FAIL_2)))
# Too many arguments.
$(info $(or ${FALSE}, PASS, PASS))
$(info $(or ${FALSE}, $(X) ))
$(info $(or ${FALSE}, $(Y) ))
$(info $(or ${FALSE} , PASS, PASS))
test:
echo OK