anchor.diff:  	runtime-link=static ^
   	-j 8
   
  -@set BJAM_CLEAN_FIRST=yes
  +@set BJAM_CLEAN_FIRST=no
   
   @set DEVENVCONFIG=Debug
   @set DEVENVPLATFORM=%TARGET_ARCHITECTURE%
   
  -@if not exist "%VSVARS%" @(
  -	echo The batch to setup the environment of VisualStudio is not found.
  -	@goto error
  -)
  -@call "%VSVARS%"
  +@call %TOOLROOT%/build/setup_mssdk.bat
  +@if errorlevel 1 @goto :error
   
   @pushd "%BOOST_ROOT%"
   
  
positive.code: )
  
  @set BOOST_ROOT=%DEVROOT%\boost_1_61_0
  @set INTERMEDIATE=%DEVROOT%\intermediate\boost\%TARGET_ARCHITECTURE%
  @set OUTPUT=%DEVROOT%\output\boost\%TARGET_ARCHITECTURE%
  @set BJAM=b2.exe
  @set BJAM_WITH=^
  	--with-chrono ^
  
negative.code: 	--with-system ^
  	--with-thread
  @set BJAM_FLAGS=^
  	--build-dir="%BUILDDIR%" ^
  	%BJAM_WITH% ^
  	toolset=msvc-14.0 ^
  	address-model=%BJAM_ADDRESS_MODEL% ^
  