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91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
#!/usr/bin/env python3
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# Copyright 2022 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 ninja binary that is pulled to
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third_party as part of gclient sync. It will automatically find the ninja
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binary when run inside a gclient source tree, so users can just type
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"ninja" on the command line."""
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import os
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import subprocess
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import sys
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import gclient_paths
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def findNinjaInPath():
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env_path = os.getenv('PATH')
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if not env_path:
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return
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exe = 'ninja'
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if sys.platform in ['win32', 'cygwin']:
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exe += '.exe'
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for bin_dir in env_path.split(os.pathsep):
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if bin_dir.rstrip(os.sep).endswith('depot_tools'):
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# skip depot_tools to avoid calling ninja.py infitely.
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continue
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ninja_path = os.path.join(bin_dir, exe)
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if os.path.isfile(ninja_path):
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return ninja_path
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def fallback(ninja_args):
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# Try to find ninja in PATH.
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ninja_path = findNinjaInPath()
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if ninja_path:
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return subprocess.call([ninja_path] + ninja_args)
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print(
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'depot_tools/ninja.py: Could not find Ninja in the third_party of '
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'the current project, nor in your PATH.\n'
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'Please take one of the following actions to install Ninja:\n'
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'- If your project has DEPS, add a CIPD Ninja dependency to DEPS.\n'
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'- Otherwise, add Ninja to your PATH *after* depot_tools.',
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file=sys.stderr)
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return 1
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def main(args):
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# On Windows the ninja.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 detected,
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# we need to split the argument. This means that arguments containing actual
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# spaces are not supported by ninja.bat, but that is not a 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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# 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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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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ninja_path = os.path.join(base_path, 'third_party', 'ninja',
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'ninja' + gclient_paths.GetExeSuffix())
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if os.path.isfile(ninja_path):
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return subprocess.call([ninja_path] + args[1:])
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return fallback(args[1:])
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if __name__ == '__main__':
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try:
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sys.exit(main(sys.argv))
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except KeyboardInterrupt:
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sys.exit(1)
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