From 561617f5ce8ac04e52ebb6cac2b131850a787869 Mon Sep 17 00:00:00 2001
From: Patrik Nyblom <pan@erlang.org>
Date: Fri, 26 Nov 2010 14:12:13 +0100
Subject: Adapt inet_drv to Visual Studio 2008

---
 erts/emulator/drivers/common/inet_drv.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'erts/emulator/drivers')

diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 18f7cdd15a..6f56cab575 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -88,9 +88,21 @@
 #include <winsock2.h>
 #endif
 #include <windows.h>
+#include <Ws2tcpip.h>   /* NEED VC 6.0 or higher */
+
+/* Visual studio 2008+: NTDDI_VERSION needs to be set for iphlpapi.h
+   to define the right structures. It needs to be set to WINXP (or LONGHORN)
+   for IPV6 to work and it's set lower by default, so we need to change it. */
+#ifdef HAVE_SDKDDKVER_H
+#  include <sdkddkver.h>
+#  ifdef NTDDI_VERSION 
+#    undef NTDDI_VERSION
+#  endif
+#  define NTDDI_VERSION NTDDI_WINXP
+#endif
+
 #include <iphlpapi.h>
 
-#include <Ws2tcpip.h>   /* NEED VC 6.0 !!! */
 
 #undef WANT_NONBLOCKING
 #include "sys.h"
-- 
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