1 files changed, 57 insertions, 2 deletions

diff --git a/src/mongo/platform/windows_basic.h b/src/mongo/platform/windows_basic.h
index 96789116c18..c9e68bb428b 100644
--- a/src/mongo/platform/windows_basic.h
+++ b/src/mongo/platform/windows_basic.h
@@ -18,18 +18,73 @@
 
 #pragma once
 
-#if defined(_WIN32)
+#if !defined(_WIN32)
+#error "windows_basic included but _WIN32 is not defined"
+#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
 # ifndef NOMINMAX
 #  define NOMINMAX
 # endif
+
+// 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 "mongo/targetver.h"
 
 # 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