text: // windows_basic.h
  
  /*
   *    Copyright 2010 10gen Inc.
   *
   *    Licensed under the Apache License, Version 2.0 (the "License");
   *    you may not use this file except in compliance with the License.
   *    You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  
  #pragma once
  
  #if !defined(_WIN32)
  #error "windows_basic included but _WIN32 is not defined"
  #endif
  
  // "If you define NTDDI_VERSION, you must also define _WIN32_WINNT":
  // http://msdn.microsoft.com/en-us/library/windows/desktop/aa383745(v=vs.85).aspx
  #if defined(NTDDI_VERSION) && !defined(_WIN32_WINNT)
  #error NTDDI_VERSION defined but _WIN32_WINNT is undefined
  #endif
  
  // Ensure that _WIN32_WINNT is set to something before we include windows.h. For server builds
  // both _WIN32_WINNT and NTDDI_VERSION are set as defines on the command line, but we need
  // these here for things like client driver builds, where they may not already be set.
  #if !defined(_WIN32_WINNT)
  // Can't use symbolic versions here, since we may not have seen sdkddkver.h yet.
  #if defined(_WIN64)
  // 64-bit builds default to Windows Server 2003 support.
  #define _WIN32_WINNT 0x0502
  #else
  // 32-bit builds default to Windows XP support.
  #define _WIN32_WINNT 0x0501
  #endif
  #endif
  
  // As above, but for NTDDI_VERSION. Otherwise, <windows.h> would set our NTDDI_VERSION based on
  // _WIN32_WINNT, but not select the service pack revision.
  #if !defined(NTDDI_VERSION)
  // Can't use symbolic versions here, since we may not have seen sdkddkver.h yet.
  #if defined(_WIN64)
  // 64-bit builds default to Windows Server 2003 SP 2 support.
  #define NTDDI_VERSION 0x05020200
  #else
  // 32-bit builds default to Windows XP SP 3 support.
  #define NTDDI_VERSION 0x05010300
  #endif
  #endif
  
  // No need to set WINVER, SdkDdkVer.h does that for us, we double check this below.
  
  // for rand_s() usage:
  #define _CRT_RAND_S
  
  // Do not complain that about standard library functions that Windows believes should have
  // underscores in front of them, such as unlink().
  #define _CRT_NONSTDC_NO_DEPRECATE
  
  // tell windows.h not to include a bunch of headers we don't need:
  #define WIN32_LEAN_AND_MEAN
  
  #include <winsock2.h>  //this must be included before the first windows.h include
  #include <ws2tcpip.h>
  #include <wspiapi.h>
  #include <windows.h>
  
  // Should come either from the command line, or if not set there, the inclusion of sdkddkver.h
  // via windows.h above should set it based in _WIN32_WINNT, which is assuredly set by now.
  #if !defined(NTDDI_VERSION)
  #error "NTDDI_VERSION is not defined"
  #endif
  
  #if !defined(WINVER) || (WINVER != _WIN32_WINNT)
  #error "Expected WINVER to have been defined and to equal _WIN32_WINNT"
  #endif
  
  #if defined(_WIN64)
  #if !defined(NTDDI_WS03SP2) || (NTDDI_VERSION < NTDDI_WS03SP2)
  #error "64 bit mongo does not support Windows versions older than Windows Server 2003 SP 2"
  #endif
  #else
  #if !defined(NTDDI_WINXPSP3) || (NTDDI_VERSION < NTDDI_WINXPSP3)
  #error "32 bit mongo does not support Windows versions older than XP Service Pack 3"
  #endif
  #endif
  