| #!/usr/bin/env python3 |
| # Copyright 2022 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 script is a wrapper around the ninja binary that is pulled to |
| third_party as part of gclient sync. It will automatically find the ninja |
| binary when run inside a gclient source tree, so users can just type |
| "ninja" on the command line.""" |
| |
| import os |
| import subprocess |
| import sys |
| |
| import gclient_paths |
| |
| |
| def findNinjaInPath(): |
| env_path = os.getenv("PATH") |
| if not env_path: |
| return |
| exe = "ninja" |
| if sys.platform in ("win32", "cygwin"): |
| exe += ".exe" |
| for bin_dir in env_path.split(os.pathsep): |
| if bin_dir.rstrip(os.sep).endswith("depot_tools"): |
| # skip depot_tools to avoid calling ninja.py infinitely. |
| continue |
| ninja_path = os.path.join(bin_dir, exe) |
| if os.path.isfile(ninja_path): |
| return ninja_path |
| |
| |
| def fallback(ninja_args): |
| # Try to find ninja in PATH. |
| ninja_path = findNinjaInPath() |
| if ninja_path: |
| return subprocess.call([ninja_path] + ninja_args) |
| |
| print( |
| "depot_tools/ninja.py: Could not find Ninja in the third_party of " |
| "the current project, nor in your PATH.\n" |
| "Please take one of the following actions to install Ninja:\n" |
| "- If your project has DEPS, add a CIPD Ninja dependency to DEPS.\n" |
| "- Otherwise, add Ninja to your PATH *after* depot_tools.", |
| file=sys.stderr, |
| ) |
| return 1 |
| |
| |
| def main(args): |
| # On Windows the ninja.bat script passes along the arguments enclosed in |
| # double quotes. This prevents multiple levels of parsing of the special '^' |
| # characters needed when compiling a single file. When this case is |
| # detected, we need to split the argument. This means that arguments |
| # containing actual spaces are not supported by ninja.bat, but that is not a |
| # real limitation. |
| if sys.platform.startswith("win") and len(args) == 2: |
| args = args[:1] + args[1].split() |
| |
| # macOS's python sets CPATH, LIBRARY_PATH, SDKROOT implicitly. |
| # https://openradar.appspot.com/radar?id=5608755232243712 |
| # |
| # Removing those environment variables to avoid affecting clang's behaviors. |
| if sys.platform == "darwin": |
| os.environ.pop("CPATH", None) |
| os.environ.pop("LIBRARY_PATH", None) |
| os.environ.pop("SDKROOT", None) |
| |
| # Get gclient root + src. |
| primary_solution_path = gclient_paths.GetPrimarySolutionPath() |
| gclient_root_path = gclient_paths.FindGclientRoot(os.getcwd()) |
| gclient_src_root_path = None |
| if gclient_root_path: |
| gclient_src_root_path = os.path.join(gclient_root_path, "src") |
| |
| for base_path in set( |
| [primary_solution_path, gclient_root_path, gclient_src_root_path]): |
| if not base_path: |
| continue |
| ninja_path = os.path.join( |
| base_path, |
| "third_party", |
| "ninja", |
| "ninja" + gclient_paths.GetExeSuffix(), |
| ) |
| if os.path.isfile(ninja_path): |
| return subprocess.call([ninja_path] + args[1:]) |
| |
| return fallback(args[1:]) |
| |
| |
| if __name__ == "__main__": |
| try: |
| sys.exit(main(sys.argv)) |
| except KeyboardInterrupt: |
| sys.exit(1) |