1 : undefined 2 make: Unclosed variable "UNCLOSED" 3 in command ": $@ ${UNCLOSED" 4 in target "unclosed-expression" 5 make: Unclosed expression, expecting "}" 6 while evaluating variable "UNCLOSED" with value "" 7 in command ": $@ ${UNCLOSED:" 8 in target "unclosed-modifier" 9 make: Unknown modifier ":Z" 10 while evaluating variable "UNKNOWN" with value "" 11 in command ": $@ ${UNKNOWN:Z}" 12 in target "unknown-modifier" 13 : end 14 exit status 2 15