anchor.diff:  .\b2 install ^
       --build-dir=buildboost ^
       --prefix=%LIBRARY_PREFIX% ^
  -    toolset=msvc-%VSTRING%.0 ^
  +    toolset=msvc-%VS_MAJOR%.0 ^
       address-model=%ARCH% ^
       variant=release ^
       threading=multi ^
  
positive.code: if errorlevel 1 exit 1
  
  :: Move dll's to LIBRARY_BIN
  move %LIBRARY_LIB%\*vc%VSTRING%0-mt-%MAJ_MIN_VER%.dll "%LIBRARY_BIN%"
  if errorlevel 1 exit 1
  
  
  :TRIM
    SetLocal EnableDelayedExpansion
    set Params=%*
    for /f "tokens=1*" %%a in ("!Params!") do EndLocal & set %1=%%b
    exit /B
  
negative.code: :: Start with bootstrap
  call bootstrap.bat
  if errorlevel 1 exit 1
  