anchor.diff:  @ECHO OFF
  -REM Copyright 2016 DataStax
  +REM Copyright 2014-2016 DataStax
   REM
   REM Licensed under the Apache License, Version 2.0 (the "License");
   REM you may not use this file except in compliance with the License.
  
positive.code: )
  
  REM Ensure Kerberos SDK is available
  SET "KERBEROS_SDK_DIRECTORY=!PROGRAMFILES!\MIT\Kerberos"
  IF !TARGET_ARCHITECTURE! EQU !ARCHITECTURE_32BIT! (
    IF !SYSTEM_ARCHITECTURE! EQU !ARCHITECTURE_64BIT! (
      SET "KERBEROS_SDK_DIRECTORY=!PROGRAMFILES(X86)!\MIT\Kerberos"
    )
  )
  IF !TARGET_ARCHITECTURE! EQU !ARCHITECTURE_32BIT! (
    SET KERBEROS_SDK_LIBRARY_DIRECTORY=!LIBRARY_BINARY_DIRECTORY!\i386
    SET "DOWNLOAD_URL_KERBEROS=http://web.mit.edu/kerberos/dist/kfw/4.0/kfw-4.0.1-i386.msi"
  ) ELSE (
    SET KERBEROS_SDK_LIBRARY_DIRECTORY=!LIBRARY_BINARY_DIRECTORY!\amd64
    SET "DOWNLOAD_URL_KERBEROS=http://web.mit.edu/kerberos/dist/kfw/4.0/kfw-4.0.1-amd64.msi"
  )
  SET "KERBEROS_SDK_INCLUDE_DIRECTORY=!KERBEROS_SDK_DIRECTORY!\!LIBRARY_INCLUDE_DIRECTORY!"
  SET "KERBEROS_SDK_LIBRARY_DIRECTORY=!KERBEROS_SDK_DIRECTORY!\!KERBEROS_SDK_LIBRARY_DIRECTORY!"
  SET INVALID_KERBEROS_SDK_INSTALLATION=!FALSE!
  IF NOT EXIST "!KERBEROS_SDK_INCLUDE_DIRECTORY!" SET INVALID_KERBEROS_SDK_INSTALLATION=!TRUE!
  IF NOT EXIST "!KERBEROS_SDK_LIBRARY_DIRECTORY!" SET INVALID_KERBEROS_SDK_INSTALLATION=!TRUE!
  IF !INVALID_KERBEROS_SDK_INSTALLATION! EQU !TRUE! (
    ECHO Unable to Locate Kerberos SDK Installation: Kerberos installation is required
    ECHO	!DOWNLOAD_URL_KERBEROS!
    CHOICE /N /T 15 /D N /M "Would you like to download Kerberos now?"
    IF !ERRORLEVEL! EQU !YES! START !DOWNLOAD_URL_KERBEROS!
    EXIT /B !EXIT_CODE_INVALID_BUILD_DEPENDENCY_VERSION!
  )
  
  REM Determine if we should allow the user to choose compiler version
  
negative.code: SET BOOST_BRANCH_TAG_VERSION=boost-1.59.0
  SET LIBUV_REPOSITORY_URL=https://github.com/libuv/libuv.git
  SET LIBUV_DIRECTORY=libuv
  SET LIBUV_BRANCH_TAG_VERSION=v1.9.0
  SET LIBUV_PACKAGE_VERSION=1.9.0
  SET GYP_REPOSITORY_URL=https://chromium.googlesource.com/external/gyp.git
  SET LIBSSH2_REPOSITORY_URL=https://github.com/libssh2/libssh2.git
  SET LIBSSH2_DIRECTORY=libssh2
  