anchor.diff:  set SDKS=C:\Program Files\Microsoft SDKs\Windows
   set SDK7=%SDKS%\v7.0
   set SDK71=%SDKS%\v7.1
  -set DISTUTILS_USE_SDK=1
   set UPLOAD=%~1
   set PYROOT=C:\
   
  
positive.code:     set SDK=%SDK71%
      set cmd=build bdist_wheel --zmq=bundled %UPLOAD%
    )
    
    for %%b in (64, 32) do (
      if "%%b"=="64" (
        set SUFFIX=_64
  
negative.code:     )
      set PY=%PYROOT%\Python%%p!SUFFIX!\Python
      echo !PY! !SDK!
      !PY! -m ensurepip
      !PY! -m pip install --upgrade setuptools pip wheel
      if !errorlevel! neq 0 exit /b !errorlevel!
  
      if "!DISTUTILS_USE_SDK!"=="1" (
        @call "!SDK!\Bin\SetEnv.cmd" /release !ARCH!
        if !errorlevel! neq 0 exit /b !errorlevel!
      )
      @echo on
      !PY! setup.py !cmd!
      @echo off
  