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# Works like allnoconfig. Verified to produce identical output to 'make
# allnoconfig' for all ARCHes. The looping is done in case setting one symbol
# to "n" allows other symbols to be set to "n" (due to dependencies).
import kconfiglib
import sys
conf = kconfiglib.Config(sys.argv[1])
while True:
done = True
for sym in conf:
# Choices take care of themselves for allnoconfig, so we only need to
# worry about non-choice symbols
if not sym.is_choice_item():
lower_bound = sym.get_lower_bound()
# If we can assign a lower value to the symbol (where "n", "m" and
# "y" are ordered from lowest to highest), then do so.
# lower_bound() returns None for symbols whose values cannot
# (currently) be changed, as well as for non-bool, non-tristate
# symbols.
if lower_bound is not None and \
kconfiglib.tri_less(lower_bound, sym.calc_value()):
sym.set_value(lower_bound)
# We just changed the value of some symbol. As this may affect
# other symbols, keep going.
done = False
if done:
break
conf.write_config(".config")
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