1make: "cond-cmp-string.mk" line 18: Malformed conditional (str != str) 2make: "cond-cmp-string.mk" line 42: Malformed conditional ("string" != "str""ing") 3make: "cond-cmp-string.mk" line 49: warning: String comparison operator must be either == or != 4make: "cond-cmp-string.mk" line 49: Malformed conditional (!("value" = "value")) 5make: "cond-cmp-string.mk" line 56: Malformed conditional (!("value" === "value")) 6make: Fatal errors encountered -- cannot continue 7make: stopped in unit-tests 8exit status 1 9