anchor.diff:  call "C:\Program Files (x86)\Microsoft Visual Studio %VISUALSTUDIO_VERSION%\VC\vcvarsall.bat" amd64
   
   cd json-spirit
  +git pull
   rmdir /S /Q bin\x64
   rmdir /S /Q lib\x64
   rmdir /S /Q win_build64
  
positive.code: cd ..
  
  cd csi-avro-utils
  rmdir /S /Q bin\x64
  rmdir /S /Q lib\x64
  rmdir /S /Q win_build64
  
negative.code: cd ..
  
  cd csi-samples
  git pull
  rmdir /S /Q bin\x64
  rmdir /S /Q lib\x64
  rmdir /S /Q win_build64
  