53 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env python3
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| 
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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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| 
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| from __future__ import print_function
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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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| 
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| allconfigs = {}
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| 
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| # Parse config files
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| for config in os.listdir("."):
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|     # Only config.*
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|     if not config.endswith(".config"):
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|         continue
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| 
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|     allconfigs[config] = set()
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| 
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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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| 
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| # Split out common config options
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| common = None
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| for config in allconfigs:
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|     if common is None:
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|         common = allconfigs[config].copy()
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|     else:
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|         common &= allconfigs[config]
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| for config in allconfigs:
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|     allconfigs[config] -= common
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| allconfigs["common.config"] = common
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| 
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| # Generate new splitconfigs
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| for config in allconfigs:
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|     f = open(config, "w")
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|     command = os.path.basename(sys.argv[0])
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|     print("#\n# Config options generated by %s\n#" % command, file=f)
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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("# CONFIG_%s %s" % (option, value), file=f)
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|         else:
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|             print("CONFIG_%s=%s" % (option, value), file=f)
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| 
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|     f.close()
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