anchor.diff:  echo ** Rebuilding MSBuild with downloaded binaries
   
   set MSBUILDLOGPATH=%~dp0msbuild_bootstrap_build.log
  -call "%~dp0build.cmd" /t:Rebuild /p:Configuration=%CONFIGURATION%
  +call "%~dp0build.cmd" /t:Rebuild /p:Configuration=%BUILD_CONFIGURATION%
   
   if %ERRORLEVEL% NEQ 0 (
       echo.
  
positive.code:     set TARGET=Desktop
  )
  
  set CONFIGURATION=
  if "%TARGET%"=="CoreCLR" (
      set CONFIGURATION=Debug-NetCore
  ) else if "%TARGET%"=="Desktop" (
      set CONFIGURATION=Debug
  ) else (
      echo Unsupported target detected: %TARGET%. Aborting.
      goto :error
  
negative.code: 
  :: Unknown parameters
  goto :usage
  
  :doneParsingArguments
  
  