make: "cond-op-parentheses.mk" line 19: String comparison operator must be either == or !=
make: "cond-op-parentheses.mk" line 22: Malformed conditional ((3) > 2)
make: "cond-op-parentheses.mk" line 40: Malformed conditional (()
make: "cond-op-parentheses.mk" line 53: Malformed conditional ())
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1