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# Allow checking of required and conflicting features
#
# xxx = [DISTRO,MACHINE,COMBINED,IMAGE]
#
# ANY_OF_xxx_FEATURES: ensure at least one item on this list is included
# in xxx_FEATURES.
# REQUIRED_xxx_FEATURES: ensure every item on this list is included
# in xxx_FEATURES.
# CONFLICT_xxx_FEATURES: ensure no item in this list is included in
# xxx_FEATURES.
#
# Copyright 2019 (C) Texas Instruments Inc.
# Copyright 2013 (C) O.S. Systems Software LTDA.
#
# SPDX-License-Identifier: MIT
python () {
if d.getVar('PARSE_ALL_RECIPES', False):
return
unused = True
for kind in ['DISTRO', 'MACHINE', 'COMBINED', 'IMAGE']:
if d.getVar('ANY_OF_' + kind + '_FEATURES') is None and not d.hasOverrides('ANY_OF_' + kind + '_FEATURES') and \
d.getVar('REQUIRED_' + kind + '_FEATURES') is None and not d.hasOverrides('REQUIRED_' + kind + '_FEATURES') and \
d.getVar('CONFLICT_' + kind + '_FEATURES') is None and not d.hasOverrides('CONFLICT_' + kind + '_FEATURES'):
continue
unused = False
# Assume at least one var is set.
features = set((d.getVar(kind + '_FEATURES') or '').split())
any_of_features = set((d.getVar('ANY_OF_' + kind + '_FEATURES') or '').split())
if any_of_features:
if set.isdisjoint(any_of_features, features):
raise bb.parse.SkipRecipe("one of '%s' needs to be in %s_FEATURES"
% (' '.join(any_of_features), kind))
required_features = set((d.getVar('REQUIRED_' + kind + '_FEATURES') or '').split())
if required_features:
missing = set.difference(required_features, features)
if missing:
raise bb.parse.SkipRecipe("missing required %s feature%s '%s' (not in %s_FEATURES)"
% (kind.lower(), 's' if len(missing) > 1 else '', ' '.join(missing), kind))
conflict_features = set((d.getVar('CONFLICT_' + kind + '_FEATURES') or '').split())
if conflict_features:
conflicts = set.intersection(conflict_features, features)
if conflicts:
raise bb.parse.SkipRecipe("conflicting %s feature%s '%s' (in %s_FEATURES)"
% (kind.lower(), 's' if len(conflicts) > 1 else '', ' '.join(conflicts), kind))
if unused:
bb.warn("Recipe inherits features_check but doesn't use it")
}
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