lib/replace: make sure IPV6_V6ONLY is available for IPv6 support

We really on IPV6_V6ONLY being supported.

metze

diff --git a/lib/replace/libreplace_network.m4 b/lib/replace/libreplace_network.m4
index 830dc18dfc2aab4d3c1e4e3541526acff13484bd..cff7034a0f78593e86efd3c9d2c67c42d3a4ca02 100644 (file)
--- a/lib/replace/libreplace_network.m4
+++ b/lib/replace/libreplace_network.m4
@@ -439,6 +439,14 @@ if (ret != 0) {
        const char *es = gai_strerror(ret);
 }
 freeaddrinfo(ai);
+{
+       int val = 1;
+       #ifdef HAVE_LINUX_IPV6_V6ONLY_26
+       #define IPV6_V6ONLY 26
+       #endif
+       ret = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
+                        (const void *)&val, sizeof(val));
+}
                ],[
                libreplace_cv_HAVE_IPV6=yes
                ],[