--- packetNtx/Dll/Packet32-Int.h.mingw-w64	2008-11-18 12:17:42.000000000 +0100
+++ packetNtx/Dll/Packet32-Int.h	2010-10-13 16:28:41.871425773 +0200
@@ -42,7 +42,7 @@
 #include "NpfImExt.h"
 #endif //HAVE_NPFIM_API
 
-#ifdef __MINGW32__
+#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
 #include <ddk/ntddndis.h>
 #else
 #pragma warning( push )
--- wpcap/libpcap/pcap-win32.c.orig	2010-10-13 16:42:02.372549515 +0200
+++ wpcap/libpcap/pcap-win32.c	2010-10-13 16:43:28.138601005 +0200
@@ -38,7 +38,7 @@
 
 #include <pcap-int.h>
 #include <Packet32.h>
-#ifdef __MINGW32__
+#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
 #include <ddk/ndis.h>
 #else /*__MINGW32__*/
 #include <ntddndis.h>
--- wpcap/PRJ/GNUmakefile.mingw-w64	2011-07-12 16:49:46.000000000 +0200
+++ wpcap/PRJ/GNUmakefile	2011-07-12 16:51:07.362061939 +0200
@@ -32,6 +32,7 @@
 	-DHAVE_REMOTE \
 	-DHAVE_TC_API \
 	-DHAVE_ADDRINFO \
+	-DHAVE___ATTRIBUTE__ \
 	-mno-cygwin -shared ${OPTFLAGS}
 LDFLAGS = -Wl,--out-implib,../lib/libwpcap.a
 LIBS = -L ../../${PACKET_DIR}/Dll/Project -lPacket -lws2_32