# inputs FEATURES_OPTIONAL := a b FEATURES_REQUIRED := c d FEATURES_REQUIRED_ANY := e|f|d FEATURES_PROVIDED := a b c d e f g FEATURES_BLACKLIST := a FEATURES_CONFLICT := f:e # expected results EXPECTED_FEATURES_USED := b c d EXPECTED_FEATURES_MISSING := EXPECTED_FEATURES_USED_BLACKLISTED := EXPECTED_FEATURES_CONFLICTING := include Makefile.test