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- #!/usr/bin/env python
- # Copyright 2013 The Chromium Authors. All rights reserved.
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- """
- This file emits the list of reasons why a particular build needs to be clobbered
- (or a list of 'landmines').
- """
- from __future__ import print_function
- import sys
- import landmine_utils
- host_os = landmine_utils.host_os
- def print_landmines():
- """
- ALL LANDMINES ARE EMITTED FROM HERE.
- """
- # DO NOT add landmines as part of a regular CL. Landmines are a last-effort
- # bandaid fix if a CL that got landed has a build dependency bug and all bots
- # need to be cleaned up. If you're writing a new CL that causes build
- # dependency problems, fix the dependency problems instead of adding a
- # landmine.
- #
- # Before adding or changing a landmine consider the consequences of doing so.
- # Doing so will wipe out every output directory on every Chrome developer's
- # machine. This can be particularly problematic on Windows where the directory
- # deletion may well fail (locked files, command prompt in the directory,
- # etc.), and generated .sln and .vcxproj files will be deleted.
- #
- # This output directory deletion will be repeated when going back and forth
- # across the change that added the landmine, adding to the cost. There are
- # usually less troublesome alternatives.
- if host_os() == 'win':
- print('Compile on cc_unittests fails due to symbols removed in r185063.')
- if host_os() == 'linux':
- print('Builders switching from make to ninja will clobber on this.')
- if host_os() == 'mac':
- print('Switching from bundle to unbundled dylib (issue 14743002).')
- if host_os() in ('win', 'mac'):
- print('Improper dependency for create_nmf.py broke in r240802, '
- 'fixed in r240860.')
- if host_os() == 'win':
- print('Switch to VS2015 Update 3, 14393 SDK')
- print('Need to clobber everything due to an IDL change in r154579 (blink)')
- print('Need to clobber everything due to gen file moves in r175513 (Blink)')
- print('Clobber to get rid of obselete test plugin after r248358')
- print('Clobber to rebuild GN files for V8')
- print('Clobber to get rid of stale generated mojom.h files')
- print('Need to clobber everything due to build_nexe change in nacl r13424')
- print(
- '[chromium-dev] PSA: clobber build needed for IDR_INSPECTOR_* compil...')
- print('blink_resources.grd changed: crbug.com/400860')
- print('ninja dependency cycle: crbug.com/408192')
- print('Clobber to fix missing NaCl gyp dependencies (crbug.com/427427).')
- print('Another clobber for missing NaCl gyp deps (crbug.com/427427).')
- print(
- 'Clobber to fix GN not picking up increased ID range (crbug.com/444902)')
- print('Remove NaCl toolchains from the output dir (crbug.com/456902)')
- if host_os() == 'win':
- print('Clobber to delete stale generated files (crbug.com/510086)')
- if host_os() == 'mac':
- print('Clobber to get rid of evil libsqlite3.dylib (crbug.com/526208)')
- if host_os() == 'mac':
- print('Clobber to remove libsystem.dylib. See crbug.com/620075')
- if host_os() == 'mac':
- print('Clobber to get past mojo gen build error (crbug.com/679607)')
- if host_os() == 'win':
- print('Clobber Windows to fix strange PCH-not-rebuilt errors.')
- print('CLobber all to fix GN breakage (crbug.com/736215)')
- print('The Great Blink mv for source files (crbug.com/768828)')
- if host_os() == 'linux':
- print('Clobber to workaround buggy .ninja_deps cycle (crbug.com/934404)')
- def main():
- print_landmines()
- return 0
- if __name__ == '__main__':
- sys.exit(main())
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