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-rw-r--r--bitbake/lib/bb/utils.py24
1 files changed, 24 insertions, 0 deletions
diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 2845126293..d6bcfa37e8 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -979,6 +979,30 @@ def contains_any(variable, checkvalues, truevalue, falsevalue, d):
979 return truevalue 979 return truevalue
980 return falsevalue 980 return falsevalue
981 981
982def filter(variable, checkvalues, d):
983 """Return all words in the variable that are present in the checkvalues.
984
985 Arguments:
986
987 variable -- the variable name. This will be fetched and expanded (using
988 d.getVar(variable)) and then split into a set().
989
990 checkvalues -- if this is a string it is split on whitespace into a set(),
991 otherwise coerced directly into a set().
992
993 d -- the data store.
994 """
995
996 val = d.getVar(variable)
997 if not val:
998 return ''
999 val = set(val.split())
1000 if isinstance(checkvalues, str):
1001 checkvalues = set(checkvalues.split())
1002 else:
1003 checkvalues = set(checkvalues)
1004 return ' '.join(sorted(checkvalues & val))
1005
982def cpu_count(): 1006def cpu_count():
983 return multiprocessing.cpu_count() 1007 return multiprocessing.cpu_count()
984 1008