: undefined--eol
make: Unclosed variable "UNCLOSED"
	in command ": $@-${UNCLOSED"
	in target "unclosed-expression" from cmd-errors.mk:17
make: Unclosed expression, expecting "}"
	while evaluating variable "UNCLOSED" with value ""
	in command ": $@-${UNCLOSED:"
	in target "unclosed-modifier" from cmd-errors.mk:22
make: Unknown modifier ":Z"
	while evaluating variable "UNKNOWN" with value ""
	in command ": $@-${UNKNOWN:Z}-eol"
	in target "unknown-modifier" from cmd-errors.mk:27
: end-eol
exit status 2