diff -Naur wget-1.16.1/src/host.c wget-1.16.1-new/src/host.c
--- wget-1.16.1/src/host.c	2014-12-02 08:49:37.000000000 +0100
+++ wget-1.16.1-new/src/host.c	2014-12-17 18:38:35.262587530 +0100
@@ -53,6 +53,10 @@
 # include <winsock2.h>
 # include <ws2tcpip.h>
 # define SET_H_ERRNO(err) WSASetLastError (err)
+# ifndef IN6_ARE_ADDR_EQUAL
+#  define IN6_ARE_ADDR_EQUAL(a, b)	\
+    (memcmp ((void*)(a), (void*)(b), sizeof (struct in6_addr)) == 0)
+#endif /* IN6_ARE_ADDR_EQUAL */
 #endif /* WINDOWS */
 
 #include <errno.h>