Errors building on windows

[Urvang Joshi]

"gclient sync" gives following error:

----

get_toolchain_if_necessary.py: error: no such option: --force

Sending crash report ...

  args: ['src/build/vs_toolchain.py', 'update']

  cwd: C:\src\blink_src

  exception: Command '['C:\\src\\depot_tools\\python276_bin\\py

  host: URVANG0-W.ad.corp.google.com

  stack:   File "src/build/vs_toolchain.py", line 266, in <

  user: urvang

  version: 2.7.6 (default, Nov 10 2013, 19:24:18) [MSC v.1500

A stack trace has been sent to the maintainers.

Traceback (most recent call last):

  File "src/build/vs_toolchain.py", line 266, in <module>

    sys.exit(main())

  File "src/build/vs_toolchain.py", line 262, in main

    return commands[sys.argv[1]](*sys.argv[2:])

  File "src/build/vs_toolchain.py", line 224, in Update

    subprocess.check_call(get_toolchain_args)

  File "C:\src\depot_tools\python276_bin\lib\subprocess.py", line 540, in check_

call

    raise CalledProcessError(retcode, cmd)

subprocess.CalledProcessError: Command '['C:\\src\\depot_tools\\python276_bin\\p

ython.exe', 'C:\\src\\depot_tools\\win_toolchain\\get_toolchain_if_necessary.py'

, '--output-json', 'C:\\src\\blink_src\\src\\build\\win_toolchain.json', 'ee7d71

8ec60c2dc5d255bbe325909c2021a7efef', '--force']' returned non-zero exit status 2

Error: Command 'C:\\src\\depot_tools\\python276_bin\\python.exe src/build/vs_too

lchain.py update' returned non-zero exit status 1 in C:\src\blink_src

-------

How can I fix this?

[Christian Biesinger]

"git pull --rebase" in your depot_tools directory

-christian