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91 lines
3.4 KiB
Python
91 lines
3.4 KiB
Python
#!/usr/bin/env python3
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# Copyright 2023 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""This script is a wrapper around the siso binary that is pulled to
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third_party as part of gclient sync. It will automatically find the siso
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binary when run inside a gclient source tree, so users can just type
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"siso" on the command line."""
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import os
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import signal
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import subprocess
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import sys
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import gclient_paths
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def main(args):
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# Propagate signals to siso process so that it can run cleanup steps.
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# Siso will be terminated immediately after the second Ctrl-C.
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signal.signal(signal.SIGINT, lambda signum, frame: None)
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if not sys.platform.startswith('win'):
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signal.signal(signal.SIGTERM, lambda signum, frame: None)
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# On Windows the siso.bat script passes along the arguments enclosed in
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# double quotes. This prevents multiple levels of parsing of the special '^'
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# characters needed when compiling a single file. When this case is
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# detected, we need to split the argument. This means that arguments
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# containing actual spaces are not supported by siso.bat, but that is not a
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# real limitation.
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if sys.platform.startswith('win') and len(args) == 2:
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args = args[:1] + args[1].split()
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# macOS's python sets CPATH, LIBRARY_PATH, SDKROOT implicitly.
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# https://openradar.appspot.com/radar?id=5608755232243712
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#
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# Removing those environment variables to avoid affecting clang's behaviors.
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if sys.platform == 'darwin':
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os.environ.pop("CPATH", None)
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os.environ.pop("LIBRARY_PATH", None)
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os.environ.pop("SDKROOT", None)
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environ = os.environ.copy()
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# Get gclient root + src.
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primary_solution_path = gclient_paths.GetPrimarySolutionPath()
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gclient_root_path = gclient_paths.FindGclientRoot(os.getcwd())
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gclient_src_root_path = None
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if gclient_root_path:
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gclient_src_root_path = os.path.join(gclient_root_path, 'src')
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siso_override_path = os.environ.get('SISO_PATH')
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if siso_override_path:
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print('depot_tools/siso.py: Using Siso binary from SISO_PATH: %s.' %
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siso_override_path)
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if not os.path.isfile(siso_override_path):
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print(
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'depot_tools/siso.py: Could not find Siso at provided '
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'SISO_PATH.',
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file=sys.stderr)
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return 1
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for base_path in set(
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[primary_solution_path, gclient_root_path, gclient_src_root_path]):
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if not base_path:
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continue
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env = environ.copy()
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sisoenv_path = os.path.join(base_path, 'build', 'config', 'siso',
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'.sisoenv')
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if not os.path.exists(sisoenv_path):
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continue
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with open(sisoenv_path) as f:
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for line in f.readlines():
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k, v = line.rstrip().split('=', 1)
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env[k] = v
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siso_path = siso_override_path or os.path.join(
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base_path, 'third_party', 'siso',
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'siso' + gclient_paths.GetExeSuffix())
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if os.path.isfile(siso_path):
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return subprocess.call([siso_path] + args[1:], env=env)
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print(
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'depot_tools/siso.py: Could not find .sisoenv under build/config/siso '
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'of the current project. Did you run gclient sync?',
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file=sys.stderr)
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return 1
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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