Trying to fetch v8 in windows

[Zac Hansen]

I cloned depot_tools, put it in my path, run "fetch v8" and it runs for a while and then I get the error below.  Any idea what I'm doing wrong?

C:\Users\xaxxon\deleteme>fetch v8

Running: 'c:\Users\xaxxon\depot_tools\python276_bin\python.exe' 'c:\Users\xaxxon\depot_tools\gclient.py' root

Running: 'c:\Users\xaxxon\depot_tools\python276_bin\python.exe' 'c:\Users\xaxxon\depot_tools\gclient.py' config --spec 'solutions = [

  {

    "managed": False,

    "name": "v8",

    "url": "https://chromium.googlesource.com/v8/v8.git",

    "custom_deps": {},

    "deps_file": "DEPS",

    "safesync_url": "",

  },

]

'

Running: 'c:\Users\xaxxon\depot_tools\python276_bin\python.exe' 'c:\Users\xaxxon\depot_tools\gclient.py' sync --with_branch_heads

Error: Command 'c:\\Users\\xaxxon\\depot_tools\\python276_bin\\python.exe v8/build/landmines.py' returned non-zero exit status 1 in C:\Users\xaxxon\deleteme

Traceback (most recent call last):

  File "c:\Users\xaxxon\depot_tools\\fetch.py", line 346, in <module>

    sys.exit(main())

  File "c:\Users\xaxxon\depot_tools\\fetch.py", line 341, in main

    return run(options, spec, root)

  File "c:\Users\xaxxon\depot_tools\\fetch.py", line 335, in run

    return checkout.init()

  File "c:\Users\xaxxon\depot_tools\\fetch.py", line 142, in init

    self.run_gclient(*sync_cmd)

  File "c:\Users\xaxxon\depot_tools\\fetch.py", line 76, in run_gclient

    return self.run(cmd_prefix + cmd, **kwargs)

  File "c:\Users\xaxxon\depot_tools\\fetch.py", line 66, in run

    return subprocess.check_output(cmd, **kwargs)

  File "c:\Users\xaxxon\depot_tools\python276_bin\lib\subprocess.py", line 573, in check_output

    raise CalledProcessError(retcode, cmd, output=output)

subprocess.CalledProcessError: Command '('c:\\Users\\xaxxon\\depot_tools\\python276_bin\\python.exe', 'c:\\Users\\xaxxon\\depot_tools\\gclient.py', 'sync', '--with_branch_heads')' returned non-zero exit status 2

C:\Users\xaxxon\deleteme>fetch v8

[Ben Noordhuis]

Do you have a v8 directory afterwards? I've seen similar landmines
errors when checking out chromium but I did end up with a checkout;
running `gclient sync` in the new directory put it in a working state.

[Zac Hansen]

I did the DEPOT_TOOLS_WIN_TOOLCHAIN=0 thing before starting fetch v8 in a clean directory and that got rid of the error..

I downloaded python 2.7.11 off python.org, put that in my path and then ran python build\gyp_v8 as described here:

https://github.com/v8/v8/wiki/Building%20with%20Gyp

Right now I'm trying a build in the latest version of visual studio, but I think maybe that isn't expected to work.

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