From 373dfdd57b508fc53db33e7044c9d587eadfa62b Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Thu, 7 Feb 2013 18:50:07 +0100
Subject: cmake: Check correctly for IPv6.

---
 ConfigureChecks.cmake | 42 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

(limited to 'ConfigureChecks.cmake')

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 6cb45d0..d68578f 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -91,8 +91,46 @@ check_prototype_definition(gettimeofday
     "sys/time.h"
     HAVE_GETTIMEOFDAY_TZ)
 
-# TODO
-set(HAVE_IPV6 TRUE)
+# IPV6
+check_c_source_compiles("
+    #include <stdlib.h>
+    #include <sys/socket.h>
+    #include <netdb.h>
+    #include <netinet/in.h>
+    #include <net/if.h>
+
+int main(void) {
+    struct sockaddr_storage sa_store;
+    struct addrinfo *ai = NULL;
+    struct in6_addr in6addr;
+    int idx = if_nametoindex(\"iface1\");
+    int s = socket(AF_INET6, SOCK_STREAM, 0);
+    int ret = getaddrinfo(NULL, NULL, NULL, &ai);
+    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));
+    }
+
+    return 0;
+}" HAVE_IPV6)
+
+check_c_source_compiles("
+#include <sys/socket.h>
+
+int main(void) {
+    struct sockaddr_storage s;
+
+    return 0;
+}" HAVE_SOCKADDR_STORAGE)
 
 # ENDIAN
 if (NOT WIN32)
-- 
cgit