acrn-hypervisor/scripts/kconfig/savedefconfig.py

40 lines
1.2 KiB
Python

# Copyright (C) 2018 Intel Corporation.
# SPDX-License-Identifier: BSD-3-Clause
# Given a Kconfig, this script minimize a given .config by removing the symbols
# having the default values. The minimized config can act as a defconfig for
# future use.
import sys, os
# Kconfiglib: Copyright (c) 2011-2018, Ulf Magnusson
# SPDX-License-Identifier: ISC
# Refer to scripts/kconfig/LICENSE.kconfiglib for the permission notice.
import kconfiglib
def usage():
sys.stdout.write("%s: <Kconfig file> <.config file> <path to output .config>\n" % sys.argv[0])
def main():
if len(sys.argv) < 4:
usage()
sys.exit(1)
kconfig_path = sys.argv[1]
if not os.path.isfile(kconfig_path):
sys.stderr.write("Cannot find file %s\n" % kconfig_path)
sys.exit(1)
config_path = sys.argv[2]
if not os.path.isfile(config_path):
sys.stderr.write("Cannot find file %s\n" % config_path)
sys.exit(1)
kconfig = kconfiglib.Kconfig(kconfig_path)
kconfig.load_config(config_path)
kconfig.write_min_config(sys.argv[3])
sys.stdout.write("Minimized configuration written to %s.\n" % sys.argv[3])
if __name__ == "__main__":
main()