From a9343dbbc3a0ab256ad55458475c01e266b6b549 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@gmail.com>
Date: Sat, 27 Aug 2016 16:40:43 +0100
Subject: [PATCH] Problem: testutil.hpp fails to build on Windows XP

Solution: ifdef is_ipv6_available to always return false if building
on Windows XP, as it doesn't support the needed standard libc
functions
---
 tests/testutil.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/testutil.hpp b/tests/testutil.hpp
index bcbbd045..8ae5271e 100644
--- a/tests/testutil.hpp
+++ b/tests/testutil.hpp
@@ -331,6 +331,9 @@ msleep (int milliseconds)
 int
 is_ipv6_available(void)
 {
+#if defined (ZMQ_HAVE_WINDOWS) && (_WIN32_WINNT < 0x0600)
+    return 0;
+#else
     int rc, ipv6 = 1;
     struct sockaddr_in6 test_addr;
 
@@ -373,6 +376,7 @@ is_ipv6_available(void)
 #endif
 
     return ipv6;
+#endif // _WIN32_WINNT < 0x0600
 }
 
 #endif