anchor.diff:  
   set RUNTIME_HOST=
   set HOST_SPECIFIED=
  -if "%HOST%"=="CoreCLR" (
  +if /i "%HOST%"=="CoreCLR" (
       set RUNTIME_HOST=%~dp0Tools\CoreRun.exe
       set MSBUILD_CUSTOM_PATH=%~dp0Tools\MSBuild.exe
       set HOST_SPECIFIED=true
  -) else if "%HOST%"=="Desktop" (
  +) else if /i "%HOST%"=="Desktop" (
       set RUNTIME_HOST=
       set HOST_SPECIFIED=true
   ) else (
  
positive.code: :: Only CoreCLR requires an override--it should use the host
  :: downloaded as part of its NuGet package references, rather
  :: than the possibly-stale one from Tools.
  if "%TARGET%"=="CoreCLR" (
      set RUNTIME_HOST="%~dp0bin\Bootstrap\CoreRun.exe"
  )
  
  if "%TARGET%"=="CoreCLR" (
      set MSBUILD_CUSTOM_PATH="%~dp0bin\Bootstrap\MSBuild.exe"
  ) else (
      set MSBUILD_CUSTOM_PATH="%~dp0bin\Bootstrap\15.0\Bin\MSBuild.exe"
  
negative.code: 
  :: By default match host to target
  if not defined HOST (
      if /i "%TARGET%"=="CoreCLR" (
          set HOST=CoreCLR
      ) else (
          set HOST=Desktop
  