anchor.diff:  goto :exitTag
   
   :prefixExists
  -cd %QT_MOBILITY_PREFIX%
  +cd /D %QT_MOBILITY_PREFIX%
   set QT_MOBILITY_PREFIX=%CD%
  -cd %CURRENTDIR%
  +cd /D %CURRENTDIR%
   
   :endprefixProcessing
   echo QT_MOBILITY_PREFIX = %QT_MOBILITY_PREFIX% >> %PROJECT_CONFIG%
  
positive.code: set QT_MOBILITY_PREFIX= C:\QtMobility
  set BUILD_PATH=%CD%
  set SOURCE_PATH= %~dp0
  cd %SOURCE_PATH%
  set SOURCE_PATH=%CD%
  cd %BUILD_PATH%
  
  set PROJECT_CONFIG= %BUILD_PATH%\config.in
  set PROJECT_LOG= %BUILD_PATH%\config.log
  
negative.code: if exist %QT_MOBILITY_PREFIX% goto prefixExists
  mkdir %QT_MOBILITY_PREFIX%
  if errorlevel 1 goto invalidPrefix
  cd /D %QT_MOBILITY_PREFIX%
  set QT_MOBILITY_PREFIX=%CD%
  cd /D %CURRENTDIR%
  rd /S /Q %QT_MOBILITY_PREFIX%
  goto endprefixProcessing
  
  