anchor.diff:      set "CFG_REQUIREMENTS=%DEV_REQUIREMENTS%"
       set CFG_DEV_MODE=1
   )
  -if "%1" EQU "--python"  (
  -    echo "The --python is now DEPRECATED. Use the PYTHON_EXECUTABLE environment
  +if "%1" EQU "--python"(
  +    echo "The --python option is now DEPRECATED. Use the PYTHON_EXECUTABLE environment"
       echo "variable instead. Run configure --help for details."
       exit /b 0
   )
  
positive.code: 
  
  @rem ################################
  @rem # A configuration script to set things up: 
  @rem # create a virtualenv and install or update thirdparty packages.
  @rem # Source this script for initial configuration
  @rem # Use configure --help for details
  
negative.code: @rem # Use environment variables or a file if available.
  @rem # Otherwise the latest Python by default.
  if not defined PYTHON_EXECUTABLE (
      @rem # check for a file named PYTHON_EXECUTABLE
      if exist ""%CFG_ROOT_DIR%\PYTHON_EXECUTABLE"" (
          set /p PYTHON_EXECUTABLE=<""%CFG_ROOT_DIR%\PYTHON_EXECUTABLE""
      ) else (
  