我尝试下载铬代码。我目前正在使用命令 $ gn gen out/Default 但它向我显示此错误：
C:\Users\sapir\Downloads\depot_tools\chromium\src>gn gen out/Default
Traceback (most recent call last):
File "C:/Users/sapir/Downloads/depot_tools/chromium/src/build/vs_toolchain.py", line 577, in <module>
sys.exit(main())
File "C:/Users/sapir/Downloads/depot_tools/chromium/src/build/vs_toolchain.py", line 573, in main
return commands[sys.argv[1]](*sys.argv[2:])
File "C:/Users/sapir/Downloads/depot_tools/chromium/src/build/vs_toolchain.py", line 388, in CopyDlls
_CopyDebugger(target_dir, target_cpu)
File "C:/Users/sapir/Downloads/depot_tools/chromium/src/build/vs_toolchain.py", line 424, in _CopyDebugger
(debug_file, full_path))
Exception: dbghelp.dll not found in "C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\dbghelp.dll"
You must installWindows 10 SDK version 10.0.19041.0 including the "Debugging Tools for Windows" feature.
**ERROR** at //build/toolchain/win/BUILD.gn:49:3: Script returned non-zero exit code.
exec_script("../../vs_toolchain.py",
^----------
Current dir: C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default/
Command: C:/Users/sapir/Downloads/depot_tools/bootstrap-3_8_0_chromium_8_bin/python/bin/python.exe C:/Users/sapir/Downloads/depot_tools/chromium/src/build/vs_toolchain.py copy_dlls C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default Debug x64
Returned 1 and printed out:
Copying C:\WINDOWS\System32\msvcp140.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\msvcp140.dll...
Copying C:\WINDOWS\System32\vccorlib140.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\vccorlib140.dll...
Copying C:\WINDOWS\System32\vcruntime140.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\vcruntime140.dll...
Copying C:\WINDOWS\System32\vcruntime140_1.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\vcruntime140_1.dll...
Copying C:\WINDOWS\System32\ucrtbase.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\ucrtbase.dll...
Copying C:\WINDOWS\System32\msvcp140d.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\msvcp140d.dll...
Copying C:\WINDOWS\System32\vccorlib140d.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\vccorlib140d.dll...
Copying C:\WINDOWS\System32\vcruntime140d.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\vcruntime140d.dll...
Copying C:\WINDOWS\System32\vcruntime140_1d.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\vcruntime140_1d.dll...
Copying C:\Program Files (x86)\Windows Kits\10\bin\10.0.18362.0\x64\ucrt\ucrtbased.dll to C:/Users/sapir/Downloads/depot_tools/chromium/src/out/Default\ucrtbased.dll...
See //BUILD.gn:66:1: which caused the file to be included.
group("gn_all") {
^----------------
Traceback (most recent call last):
File "C:/Users/sapir/Downloads/depot_tools/chromium/src/build/toolchain/win/setup_toolchain.py", line 304, in <module>
main()
File "C:/Users/sapir/Downloads/depot_tools/chromium/src/build/toolchain/win/setup_toolchain.py", line 257, in main
vc_lib_um_path = FindFileInEnvList(env, 'LIB', ';', 'user32.lib')
File "C:/Users/sapir/Downloads/depot_tools/chromium/src/build/toolchain/win/setup_toolchain.py", line 211, in FindFileInEnvList
file_name, env_name, '\n'.join(parts))
AssertionError: user32.lib is not found in LIB:
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\ATLMFC\lib\x64
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x64
C:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\lib\um\x64
C:\Program Files (x86)\Windows Kits\10\lib\10.0.18362.0\ucrt\x64
C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x64
Check if it is installed.
我需要做什么 ？？