make: "varmod-match.mk" line 290: while evaluating variable "WORDS": warning: Unfinished character list in pattern 'a[' of modifier ':M'
make: "varmod-match.mk" line 298: while evaluating variable "WORDS": warning: Unfinished character list in pattern 'a[^' of modifier ':M'
make: "varmod-match.mk" line 306: while evaluating variable "WORDS": warning: Unfinished character list in pattern '[-x1-3' of modifier ':M'
make: "varmod-match.mk" line 314: while evaluating variable "WORDS": warning: Unfinished character list in pattern '*[-x1-3' of modifier ':M'
make: "varmod-match.mk" line 323: while evaluating variable "WORDS": warning: Unfinished character list in pattern '[^-x1-3' of modifier ':M'
make: "varmod-match.mk" line 337: while evaluating variable "WORDS": warning: Unfinished character list in pattern '?[\' of modifier ':M'
make: "varmod-match.mk" line 345: while evaluating variable "WORDS": warning: Unfinished character range in pattern '[x-' of modifier ':M'
make: "varmod-match.mk" line 357: while evaluating variable "WORDS": warning: Unfinished character range in pattern '[^x-' of modifier ':M'
make: "varmod-match.mk" line 365: while evaluating variable " : :: ": warning: Unfinished character list in pattern '[' of modifier ':M'
make: "varmod-match.mk" line 365: while evaluating variable " : :: ": Unknown modifier "]"
make: "varmod-match.mk" line 365: Malformed conditional (${ ${:U\:} ${:U\:\:} :L:M[:]} != ":")
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1