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utils.py: Modify and rename distro_features_backfill python function 

This function was written to be used with DISTRO_FEATURES. This behavior
is usefull with MACHINE_FEATURES as well.

(From OE-Core rev: 8ae08529e844c9e065c1d260535a777f85d8c6cc)

Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Andrei Gherzan 2012-07-10 16:38:02 +03:00 committed by Richard Purdie
parent d5fc43a4f2
commit 6bfb0c2d08
1 changed files with 6 additions and 3 deletions
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9
meta/lib/oe/utils.py
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@ -87,15 +87,18 @@ def inherits(d, *classes):
"""Return True if the metadata inherits any of the specified classes"""
return any(bb.data.inherits_class(cls, d) for cls in classes)
def distro_features_backfill(d):
def features_backfill(var,d):
# This construct allows the addition of new features to variable specified
# as var
# Example for var = "DISTRO_FEATURES"
# This construct allows the addition of new features to DISTRO_FEATURES
# that if not present would disable existing functionality, without
# disturbing distributions that have already set DISTRO_FEATURES.
# Distributions wanting to elide a value in DISTRO_FEATURES_BACKFILL should
# add the feature to DISTRO_FEATURES_BACKFILL_CONSIDERED
backfill = (d.getVar("DISTRO_FEATURES_BACKFILL", True) or "").split()
considered = (d.getVar("DISTRO_FEATURES_BACKFILL_CONSIDERED", True) or "").split()
backfill = (d.getVar(var+"_BACKFILL", True) or "").split()
considered = (d.getVar(var+"_BACKFILL_CONSIDERED", True) or "").split()
addfeatures = []
for feature in backfill: