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