make: "varparse-errors.mk" line 38: Unknown modifier "Z" make: "varparse-errors.mk" line 47: Unknown modifier "Z" make: Bad modifier ":OX" for variable "" make: "varparse-errors.mk" line 71: Undefined variable "${:U:OX" make: Bad modifier ":OX" for variable "" make: Bad modifier ":OX" for variable "" make: "varparse-errors.mk" line 71: Undefined variable "${:U:OX" make: Bad modifier ":OX" for variable "" make: Unclosed expression, expecting '}' for modifier "Q" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "sh" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "tA" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "tsX" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "ts" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "ts\040" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "u" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "H" of variable "" with value "." make: Unclosed expression, expecting '}' for modifier "[1]" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "hash" of variable "" with value "b2af338b" make: Unclosed expression, expecting '}' for modifier "range" of variable "" with value "1" make: Unclosed expression, expecting '}' for modifier "_" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "gmtime" of variable "" with value "" make: Unclosed expression, expecting '}' for modifier "localtime" of variable "" with value "" make: Fatal errors encountered -- cannot continue make: stopped in unit-tests exit status 1