anchor.diff:  
   rem ############################################################
   if "%PACKAGE_COPY%" == "YES" (
  -echo "2"
     if EXIST "%ORIGINAL_PACKAGE_DIR%\copy" (
       echo.
       echo Copying extra files to source dir ...
  
positive.code: 
  if EXIST install (
    rmdir /s /q install
    rmdir install
  )
  
  if EXIST obj (
    rmdir /s /q obj
    rmdir obj
  )
  mkdir obj
  
negative.code: 
    if EXIST "%PACKAGE_SUB_DIR%" (
      rmdir /s /q %PACKAGE_SUB_DIR%
    )
  
    if EXIST "%PACKAGE_SUB_DIR%" (
      rmdir %PACKAGE_SUB_DIR%
    )
  
  