anchor.diff:  if not exist %PKTH_BaseDir%\qt. (
   echo.
   echo Downloading Qt
  -%PKTH_OldDir%\third_party_apps\curl -O ftp://ftp.ntua.gr/pub/X11/Qt/qt/source/qt-win-opensource-src-4.4.3.zip
  +%PKTH_OldDir%\third_party_apps\curl -O http://get.qtsoftware.com/qt/source/qt-win-opensource-src-4.5.1.zip
   if not errorlevel 0 goto downloadFailed
   echo.
   echo Unpacking Qt
  -%PKTH_OldDir%\third_party_apps\7za x -y qt-win-opensource-src-4.4.3.zip
  -REM Wait 5 seconds for the file cache, else ren might fail.
  -@ping 127.0.0.1 -n 5 -w 1000 > nul
  -ren qt-win-opensource-src-4.4.3 qt
  -echo.
  -echo Patching Qt
  -cd qt
  -copy %PKTH_OldDir%\helper_src\qt.patch .
  -%PKTH_OldDir%\third_party_apps\pat_ch -p1 -i qt.patch
  -cd /d %PKTH_BaseDir%
  +%PKTH_OldDir%\third_party_apps\7za x -y qt-win-opensource-src-4.5.1.zip
  +REM Wait 5 seconds for the file cache, else ren might fail.
  +@ping 127.0.0.1 -n 5 -w 1000 > nul
  +ren qt-win-opensource-src-4.5.1 qt
   )
   if not exist %PKTH_BaseDir%\qt goto qtFailure
   echo.
  
positive.code: if not exist %PKTH_BaseDir%\boost. (
  echo.
  echo Downloading boost and bjam
  %PKTH_OldDir%\third_party_apps\curl -O http://%SOURCEFORGE_MIRROR%.sourceforge.net/sourceforge/boost/boost_1_38_0.7z -O http://%SOURCEFORGE_MIRROR%.sourceforge.net/sourceforge/boost/boost-jam-3.1.17-1-ntx86.zip
  if not errorlevel 0 goto downloadFailed
  echo.
  echo Unpacking boost and bjam
  %PKTH_OldDir%\third_party_apps\7za x -y boost_1_38_0.7z
  %PKTH_OldDir%\third_party_apps\7za x -y boost-jam-3.1.17-1-ntx86.zip
  REM Wait 5 seconds for the file cache, else ren might fail.
  @ping 127.0.0.1 -n 5 -w 1000 > nul
  move boost-jam-3.1.17-1-ntx86\bjam.exe mingw\bin\bjam.exe
  move boost-jam-3.1.17-1-ntx86\LICENSE_1_0.txt mingw\bin\bjam_LICENSE_1_0.txt
  rd boost-jam-3.1.17-1-ntx86
  ren boost_1_38_0 boost
  )
  echo.
  echo Compiling boost
  
negative.code: %PKTH_OldDir%\third_party_apps\7za x -y mingwrt-3.15.2-mingw32-dll.tar.gz
  %PKTH_OldDir%\third_party_apps\7za x -y -omingw mingwrt-3.15.2-mingw32-dll.tar
  del mingwrt-3.15.2-mingw32-dll.tar
  %PKTH_OldDir%\third_party_apps\7za x -y w32api-3.13-mingw32-dev.tar.gz
  %PKTH_OldDir%\third_party_apps\7za x -y -omingw w32api-3.13-mingw32-dev.tar
  del w32api-3.13-mingw32-dev.tar
  %PKTH_OldDir%\third_party_apps\7za x -y mingw32-make-3.81-20080326-3.tar.gz
  %PKTH_OldDir%\third_party_apps\7za x -y -omingw mingw32-make-3.81-20080326-3.tar
  del mingw32-make-3.81-20080326-3.tar
  