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c3b9972b32
This script is slightly modified from the ChromiumOS splitconfig It takes a number of kernel config files and prints the common on specific kernel config options to seperate files. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
45 lines
1.2 KiB
Python
Executable File
45 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python
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# This is a slightly modified version of ChromiumOS' splitconfig
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# https://chromium.googlesource.com/chromiumos/third_party/kernel/+/stabilize-5899.B-chromeos-3.14/chromeos/scripts/splitconfig
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"""See this page for more details:
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http://dev.chromium.org/chromium-os/how-tos-and-troubleshooting/kernel-configuration
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"""
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import os
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import re
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import sys
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allconfigs = {}
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# Parse config files
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for config in sys.argv[1:]:
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allconfigs[config] = set()
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for line in open(config):
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m = re.match("#*\s*CONFIG_(\w+)[\s=](.*)$", line)
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if not m:
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continue
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option, value = m.groups()
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allconfigs[config].add((option, value))
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# Split out common config options
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common = allconfigs.values()[0].copy()
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for config in allconfigs.keys():
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common &= allconfigs[config]
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for config in allconfigs.keys():
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allconfigs[config] -= common
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allconfigs["common"] = common
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# Generate new splitconfigs
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for config in allconfigs.keys():
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f = open("split-" + config, "w")
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for option, value in sorted(list(allconfigs[config])):
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if value == "is not set":
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print >>f, "# CONFIG_%s %s" % (option, value)
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else:
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print >>f, "CONFIG_%s=%s" % (option, value)
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f.close()
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