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# Prints all (set) environment variables referenced in the Kconfig files
# together with their values, as a list of assignments.
#
# Note: This only works for environment variables referenced via the $(FOO)
# preprocessor syntax. The older $FOO syntax is maintained for backwards
# compatibility.
import os
import sys
import kconfiglib
print(" ".join("{}='{}'".format(var, os.environ[var])
for var in kconfiglib.Kconfig(sys.argv[1]).env_vars))
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