make: varmod-match.mk:289: Unfinished character list in pattern 'a[' of modifier ':M'
	while evaluating variable "WORDS" with value "a a["
make: varmod-match.mk:297: Unfinished character list in pattern 'a[^' of modifier ':M'
	while evaluating variable "WORDS" with value "a a[ aX"
make: varmod-match.mk:305: Unfinished character list in pattern '[-x1-3' of modifier ':M'
	while evaluating variable "WORDS" with value "- + x xx 0 1 2 3 4 [x1-3"
make: varmod-match.mk:313: Unfinished character list in pattern '*[-x1-3' of modifier ':M'
	while evaluating variable "WORDS" with value "- + x xx 0 1 2 3 4 00 01 10 11 000 001 010 011 100 101 110 111 [x1-3"
make: varmod-match.mk:322: Unfinished character list in pattern '[^-x1-3' of modifier ':M'
	while evaluating variable "WORDS" with value "- + x xx 0 1 2 3 4 [x1-3"
make: varmod-match.mk:336: Unfinished character list in pattern '?[\' of modifier ':M'
	while evaluating variable "WORDS" with value "\\ \a x\"
make: varmod-match.mk:344: Unfinished character range in pattern '[x-' of modifier ':M'
	while evaluating variable "WORDS" with value "[x- x x- y"
make: varmod-match.mk:356: Unfinished character range in pattern '[^x-' of modifier ':M'
	while evaluating variable "WORDS" with value "[x- x x- y yyyyy"
make: varmod-match.mk:363: Unfinished character list in pattern '[' of modifier ':M'
	while evaluating variable " : :: " with value " : :: "
make: varmod-match.mk:363: Unknown modifier ":]"
	while evaluating variable " : :: " with value ""
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1