utils: add helper to perform the intersection of two string lists
Useful for e.g. generating a COMBINED_FEATURES list from DISTRO_FEATURES and MACHINE_FEATURES. (From OE-Core rev: c5b6f672b88f5f42fe0bd59d28104b8dc9ee9a6e) Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -55,6 +55,21 @@ def both_contain(variable1, variable2, checkvalue, d):
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else:
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return ""
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def set_intersect(variable1, variable2, d):
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"""
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Expand both variables, interpret them as lists of strings, and return the
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intersection as a flattened string.
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For example:
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s1 = "a b c"
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s2 = "b c d"
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s3 = set_intersect(s1, s2)
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=> s3 = "b c"
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"""
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val1 = set(d.getVar(variable1, True).split())
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val2 = set(d.getVar(variable2, True).split())
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return " ".join(val1 & val2)
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def prune_suffix(var, suffixes, d):
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# See if var ends with any of the suffixes listed and
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# remove it if found
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