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