build/get_landmines.py

   1 #!/usr/bin/env python
   2 # Copyright 2013 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 """
   7 This file emits the list of reasons why a particular build needs to be clobbered
   8 (or a list of 'landmines').
   9 """
  10
  11 import optparse
  12 import sys
  13
  14 import landmine_utils
  15
  16
  17 builder = landmine_utils.platform
  18 distributor = landmine_utils.distributor
  19 gyp_defines = landmine_utils.gyp_defines
  20 gyp_msvs_version = landmine_utils.gyp_msvs_version
  21 platform = landmine_utils.platform
  22
  23
  24 def print_landmines(target):
  25   """
  26   ALL LANDMINES ARE EMITTED FROM HERE.
  27   target can be one of {'Release', 'Debug', 'Debug_x64', 'Release_x64'}.
  28   """
  29   if (distributor() == 'goma' and platform() == 'win32' and
  30       builder() == 'ninja'):
  31     print 'Need to clobber winja goma due to backend cwd cache fix.'
  32   if platform() == 'android':
  33     print 'Clobber: Resources removed in r195014 require clobber.'
  34   if platform() == 'win' and builder() == 'ninja':
  35     print 'Compile on cc_unittests fails due to symbols removed in r185063.'
  36   if platform() == 'linux' and builder() == 'ninja':
  37     print 'Builders switching from make to ninja will clobber on this.'
  38   if platform() == 'mac':
  39     print 'Switching from bundle to unbundled dylib (issue 14743002).'
  40   if platform() in ('win', 'mac'):
  41     print ('Improper dependency for create_nmf.py broke in r240802, '
  42            'fixed in r240860.')
  43   if (platform() == 'win' and builder() == 'ninja' and
  44       gyp_msvs_version() == '2012' and
  45       gyp_defines().get('target_arch') == 'x64' and
  46       gyp_defines().get('dcheck_always_on') == '1'):
  47     print "Switched win x64 trybots from VS2010 to VS2012."
  48   print 'Need to clobber everything due to an IDL change in r154579 (blink)'
  49
  50
  51 def main():
  52   parser = optparse.OptionParser()
  53   parser.add_option('-t', '--target',
  54                     help=='Target for which the landmines have to be emitted')
  55
  56   options, args = parser.parse_args()
  57
  58   if args:
  59     parser.error('Unknown arguments %s' % args)
  60
  61   print_landmines(options.target)
  62   return 0
  63
  64
  65 if __name__ == '__main__':
  66   sys.exit(main())