1# Allow checking of required and conflicting features 2# 3# xxx = [DISTRO,MACHINE,COMBINED,IMAGE] 4# 5# ANY_OF_xxx_FEATURES: ensure at least one item on this list is included 6# in xxx_FEATURES. 7# REQUIRED_xxx_FEATURES: ensure every item on this list is included 8# in xxx_FEATURES. 9# CONFLICT_xxx_FEATURES: ensure no item in this list is included in 10# xxx_FEATURES. 11# 12# Copyright 2019 (C) Texas Instruments Inc. 13# Copyright 2013 (C) O.S. Systems Software LTDA. 14 15python () { 16 if d.getVar('PARSE_ALL_RECIPES', False): 17 return 18 19 unused = True 20 21 for kind in ['DISTRO', 'MACHINE', 'COMBINED', 'IMAGE']: 22 if d.getVar('ANY_OF_' + kind + '_FEATURES') is None and not d.hasOverrides('ANY_OF_' + kind + '_FEATURES') and \ 23 d.getVar('REQUIRED_' + kind + '_FEATURES') is None and not d.hasOverrides('REQUIRED_' + kind + '_FEATURES') and \ 24 d.getVar('CONFLICT_' + kind + '_FEATURES') is None and not d.hasOverrides('CONFLICT_' + kind + '_FEATURES'): 25 continue 26 27 unused = False 28 29 # Assume at least one var is set. 30 features = set((d.getVar(kind + '_FEATURES') or '').split()) 31 32 any_of_features = set((d.getVar('ANY_OF_' + kind + '_FEATURES') or '').split()) 33 if any_of_features: 34 if set.isdisjoint(any_of_features, features): 35 raise bb.parse.SkipRecipe("one of '%s' needs to be in %s_FEATURES" 36 % (' '.join(any_of_features), kind)) 37 38 required_features = set((d.getVar('REQUIRED_' + kind + '_FEATURES') or '').split()) 39 if required_features: 40 missing = set.difference(required_features, features) 41 if missing: 42 raise bb.parse.SkipRecipe("missing required %s feature%s '%s' (not in %s_FEATURES)" 43 % (kind.lower(), 's' if len(missing) > 1 else '', ' '.join(missing), kind)) 44 45 conflict_features = set((d.getVar('CONFLICT_' + kind + '_FEATURES') or '').split()) 46 if conflict_features: 47 conflicts = set.intersection(conflict_features, features) 48 if conflicts: 49 raise bb.parse.SkipRecipe("conflicting %s feature%s '%s' (in %s_FEATURES)" 50 % (kind.lower(), 's' if len(conflicts) > 1 else '', ' '.join(conflicts), kind)) 51 52 if unused: 53 bb.warn("Recipe inherits features_check but doesn't use it") 54} 55