在Mac主机上为Windows构建铬的问题

Question

我试图在Mac主机上交叉构建铬。我遵循了 httpps：httpps：// chromium。 googlesource.com/chromium/src.git/+/head/docs/win_cross.md 一切似乎都很好。但是，当我运行autoninja -c out/win chrome时，我会面临以下错误。任何帮助将不胜感激。

ninja: Entering directory `out/win'
[0/1] Regenerating ninja files
ERROR at //build/config/win/visual_studio_version.gni:27:7: Script returned non-zero exit code.
      exec_script("../../vs_toolchain.py", [ "get_toolchain_dir" ], "scope")
      ^----------
Current dir: /chromium/src/out/win/
Command: python3 /chromium/src/build/vs_toolchain.py get_toolchain_dir
Returned 1.
stderr:

Traceback (most recent call last):
  File "/chromium/src/build/vs_toolchain.py", line 587, in <module>
    sys.exit(main())
  File "/chromium/src/build/vs_toolchain.py", line 583, in main
    return commands[sys.argv[1]](*sys.argv[2:])
  File "/chromium/src/build/vs_toolchain.py", line 561, in GetToolchainDir
    win_sdk_dir = SetEnvironmentAndGetSDKDir()
  File "/chromium/src/build/vs_toolchain.py", line 554, in SetEnvironmentAndGetSDKDir
    return NormalizePath(os.environ['WINDOWSSDKDIR'])
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/os.py", line 679, in __getitem__
    raise KeyError(key) from None
KeyError: 'WINDOWSSDKDIR'

See //third_party/angle/gni/angle.gni:35:5: whence it was imported.
    import("//build/config/win/visual_studio_version.gni")
    ^----------------------------------------------------
See //chrome/elevation_service/BUILD.gn:7:1: whence it was imported.
import("//build/toolchain/win/midl.gni")
^--------------------------------------
See //BUILD.gn:660:7: which caused the file to be included.
      "//chrome/elevation_service:elevation_service_unittests",
      ^-------------------------------------------------------
FAILED: build.ninja 
../../buildtools/mac/gn --root=../.. -q --ide=vs --regeneration gen .
ninja: error: rebuilding 'build.ninja': subcommand failed