1make: cond-token-string.mk:14: Unknown modifier ":Z" 2 while evaluating "${:Uvalue:Z}"" with value "value" 3make: cond-token-string.mk:24: xvalue is not defined. 4make: cond-token-string.mk:31: Malformed conditional 'x${:Uvalue} == ""' 5make: cond-token-string.mk:41: Expected. 6CondParser_Eval: "UNDEF" 7make: cond-token-string.mk:51: The string literal "UNDEF" is not empty. 8CondParser_Eval: " " 9make: cond-token-string.mk:60: The string literal " " is not empty, even though it consists of whitespace only. 10CondParser_Eval: "${UNDEF}" 11make: cond-token-string.mk:70: An undefined variable in quotes expands to an empty string, which then evaluates to false. 12CondParser_Eval: "${:Uvalue}" 13make: cond-token-string.mk:76: A nonempty expression evaluates to true. 14CondParser_Eval: "${:U}" 15make: cond-token-string.mk:85: An empty variable evaluates to false. 16CondParser_Eval: ("${VAR}") 17CondParser_Eval: "quoted" == quoted 18Comparing "quoted" == "quoted" 19make: Fatal errors encountered -- cannot continue 20make: stopped making "all" in unit-tests 21exit status 1 22