anchor.diff:  
   :nextb:
   IF EXIST c:\Python34_64vir\install GOTO fullsetupb:
  -c:\Python34\Scripts\virtualenv c:\Python34_64vir\install --system-site-packages
  +c:\Python34_x64\Scripts\virtualenv c:\Python34_64vir\install --system-site-packages
   if %errorlevel% neq 0 exit /b %errorlevel%
   
   :fullsetupb:
  
positive.code: rem we remove everything from dist
  echo off
  del /Q dist\*.*
  
  rem unittests with python 3.4
  
  IF NOT EXIST c:\Python34 GOTO checkinstall64:
  
  
negative.code: if %errorlevel% neq 0 exit /b %errorlevel%
  echo #######################################################
  
  :setup34_64:
  set pythonexe="c:\Python34_x64\python"
  %pythonexe% clean_pyd.py
  %pythonexe% setup.py build bdist_wininst --plat-name=win-amd64
  