# 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))