gclient runhooks throwing error when trying to build Chromium for Android on Windows

Question

I've tried to build chromium android app on Windows. I've run gclient sync then I tried to run gclient runhooks.

I'm getting this error message

Running hooks:  52% (51/97) Fetch Android AFDO profile
________ running 'vpython.bat src/tools/download_optimization_profile.py --newest_state=src/chrome/android/profiles/newest.txt --local_state=src/chrome/android/profiles/local.txt --output_name=src/chrome/android/profiles/afdo.prof --gs_url_base=chromeos-prebuilt/afdo-job/llvm' in 'D:chromium'
Traceback (most recent call last):
  File "src/tools/download_optimization_profile.py", line 125, in <module>
    sys.exit(main())
  File "src/tools/download_optimization_profile.py", line 121, in main
    RetrieveProfile(up_to_date_profile, new_tmpfile, args.gs_url_base)
  File "src/tools/download_optimization_profile.py", line 77, in RetrieveProfile
    CheckCallOrExit(['bzip2', '-d', out_path])
  File "src/tools/download_optimization_profile.py", line 37, in CheckCallOrExit
    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
  File "D:Androiddepot_toolsootstrap-3_8_0_chromium_8_binpythoninLibsubprocess.py", line 394, in __init__
    errread, errwrite)
  File "D:Androiddepot_toolsootstrap-3_8_0_chromium_8_binpythoninLibsubprocess.py", line 644, in _execute_child
    startupinfo)
WindowsError: [Error 2] The system cannot find the file specified
Error: Command 'vpython.bat src/tools/download_optimization_profile.py --newest_state=src/chrome/android/profiles/newest.txt --local_state=src/chrome/android/profiles/local.txt --output_name=src/chrome/android/profiles/afdo.prof --gs_url_base=chromeos-prebuilt/afdo-job/llvm' returned non-zero exit status 1 in D:chromium

Answer 1

You are trying to build Chromium for Android using Windows, which is not supported at all. Even macOS is not supported for building Chromium for Android. You should try to build it from Linux, more specifically Ubuntu to build it.