make: "varmod-range.mk" line 43: Malformed conditional '${:range=5} != ""'
make: "varmod-range.mk" line 66: Invalid number "x}Rest" != "Rest"" for ':range' modifier
	while evaluating "${:U:range=x}Rest" != "Rest"" with value ""
make: "varmod-range.mk" line 76: Unknown modifier "x0"
	while evaluating "${:U:range=0x0}Rest" != "Rest"" with value "1"
make: "varmod-range.mk" line 93: Unknown modifier "rang"
	while evaluating variable "a b c" with value "a b c"
make: "varmod-range.mk" line 101: Unknown modifier "rango"
	while evaluating variable "a b c" with value "a b c"
make: "varmod-range.mk" line 109: Unknown modifier "ranger"
	while evaluating variable "a b c" with value "a b c"
make: Fatal errors encountered -- cannot continue
make: stopped making "all" in unit-tests
exit status 1