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# 15# SPDX-License-Identifier: MIT 16 17 18python () { 19 if d.getVar('PARSE_ALL_RECIPES', False): 20 return 21 22 unused = True 23 24 for kind in ['DISTRO', 'MACHINE', 'COMBINED', 'IMAGE']: 25 if d.getVar('ANY_OF_' + kind + '_FEATURES') is None and not d.hasOverrides('ANY_OF_' + kind + '_FEATURES') and \ 26 d.getVar('REQUIRED_' + kind + '_FEATURES') is None and not d.hasOverrides('REQUIRED_' + kind + '_FEATURES') and \ 27 d.getVar('CONFLICT_' + kind + '_FEATURES') is None and not d.hasOverrides('CONFLICT_' + kind + '_FEATURES'): 28 continue 29 30 unused = False 31 32 # Assume at least one var is set. 33 features = set((d.getVar(kind + '_FEATURES') or '').split()) 34 35 any_of_features = set((d.getVar('ANY_OF_' + kind + '_FEATURES') or '').split()) 36 if any_of_features: 37 if set.isdisjoint(any_of_features, features): 38 raise bb.parse.SkipRecipe("one of '%s' needs to be in %s_FEATURES" 39 % (' '.join(any_of_features), kind)) 40 41 required_features = set((d.getVar('REQUIRED_' + kind + '_FEATURES') or '').split()) 42 if required_features: 43 missing = set.difference(required_features, features) 44 if missing: 45 raise bb.parse.SkipRecipe("missing required %s feature%s '%s' (not in %s_FEATURES)" 46 % (kind.lower(), 's' if len(missing) > 1 else '', ' '.join(missing), kind)) 47 48 conflict_features = set((d.getVar('CONFLICT_' + kind + '_FEATURES') or '').split()) 49 if conflict_features: 50 conflicts = set.intersection(conflict_features, features) 51 if conflicts: 52 raise bb.parse.SkipRecipe("conflicting %s feature%s '%s' (in %s_FEATURES)" 53 % (kind.lower(), 's' if len(conflicts) > 1 else '', ' '.join(conflicts), kind)) 54 55 if unused: 56 bb.warn("Recipe inherits features_check but doesn't use it") 57} 58