make: "cond-op-parentheses.mk" line 13: Parentheses can be nested at least to depth 112.
make: "cond-op-parentheses.mk" line 19: Malformed conditional (()
make: "cond-op-parentheses.mk" line 29: Malformed conditional ())
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1