anchor.diff:  IF %ERRORLEVEL% == 0 IF "%~1"=="" PAUSE
   
   :return
  -EXIT /B 0+EXIT /B %ERROR%
positive.code: SET CURRDIR=%CD%
  cd %~dp0
  
  cd ..\..
  FOR %%I IN %DEPENDENCIES% DO (
      ECHO !PASSDEPENDENCIES! | FINDSTR /C:"%%I" >NUL 2>&1 || (
          REM Check if MSVC_VER environment variable is set
          IF "%MSVC_VER%"=="" (
              CALL :cloneOrUpdateRepo "%%I"
          ) ELSE (
              CALL :downloadLibs "%%I"
          )
      )
  )
  
negative.code: SET PREBUILTDIR=prebuilt
  MKDIR %PREBUILTDIR% >NUL 2>&1
  powershell -nologo -noprofile -command "try { (New-Object Net.WebClient).DownloadFile('%DLURL%', '%PREBUILTDIR%\temp.zip') } catch {exit 1}"
  IF NOT %ERRORLEVEL% == 0 ( ECHO Failed downloading %DLURL% & EXIT /B 1 )
  powershell -nologo -noprofile -command "Add-Type -AssemblyName System.IO.Compression.FileSystem; $zip=[System.IO.Compression.ZipFile]::OpenRead('%PREBUILTDIR%\temp.zip'); foreach ($item in $zip.Entries) { try {$file=(Join-Path -Path .\%PREBUILTDIR% -ChildPath $item.FullName); $null=[System.IO.Directory]::CreateDirectory((Split-Path -Path $file)); [System.IO.Compression.ZipFileExtensions]::ExtractToFile($item,$file,$true)} catch {exit 1} }"
  IF NOT %ERRORLEVEL% == 0 ( ECHO Failed extracting downloaded archive & EXIT /B 1 )
  DEL /F /Q %PREBUILTDIR%\\temp.zip
  ECHO.
  EXIT /B %ERRORLEVEL%
  
  :exitOnError
  cd %CURRDIR%
  SET ERROR=1
  
  :exit
  REM Directly exit if an AppVeyor build
  