Fixes build error for systems not supporting IPV6_TCLASS.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@292155 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/netsock2.c b/main/netsock2.c
index d4a0f987382d98764742624afb329a38478d8e9d..80dc355eee032c76dfa2c69e55ad313c343193db 100644 (file)
--- a/main/netsock2.c
+++ b/main/netsock2.c
@@ -453,7 +453,7 @@ ssize_t ast_sendto(int sockfd, const void *buf, size_t len, int flags,
 
 int ast_set_qos(int sockfd, int tos, int cos, const char *desc)
 {
-       int res;
+       int res = 0;
        int set_tos;
        int set_tclass;
        struct ast_sockaddr addr;
@@ -473,6 +473,7 @@ int ast_set_qos(int sockfd, int tos, int cos, const char *desc)
                }
        }
 
+#if defined(IPV6_TCLASS) && defined(IPPROTO_IPV6)
        if (set_tclass) {
                if (!ast_getsockname(sockfd, &addr) && ast_sockaddr_is_ipv6(&addr)) {
                        if ((res = setsockopt(sockfd, IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof(tos)))) {
@@ -483,6 +484,7 @@ int ast_set_qos(int sockfd, int tos, int cos, const char *desc)
                        }
                }
        }
+#endif
 
 #ifdef linux
        if (setsockopt(sockfd, SOL_SOCKET, SO_PRIORITY, &cos, sizeof(cos))) {