anchor.diff:  
   set SETUP_CHECKING=Setup checking visual studio common tools
   
  -echo on
   set VCVER=15
   set SETUP_CHECKING=VS150COMNTOOLS=%VS150COMNTOOLS%
   set VS_COMMON_TOOLS=%VS150COMNTOOLS%
  
positive.code: @REM Customize this file by setting variables to suit your environment
  @REM Also you should customize QuickFAST.features to enable particular features on your system.
  @REM Delete the following line when you finishing customizing this file.
  @echo See remarks in %0 for information about setting your build environment
  @echo off
  REM =====================================================================================
  REM EDIT THE FOLLOWING LINES OR SET THESE VALUES IN YOUR ENVIRONMENT BEFORE RUNNING SETUP
  
negative.code: :setup_is_ok
  set SETUP_CHECKING=
  
  set XERCESCROOT=%XERCESROOT%
  set XERCESLIB=%XERCESROOT%\lib
  set QUICKFAST_ROOT=%CD%
  @call "%VS_COMMON_TOOLS%VSVARS32.BAT" >nul
  