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Check for the IPPROTO_IPV6 define before using it 

This fixes building on FreeBSD in some configurations, if the IPv6 multicast
structs are available, but IPPROTO_IPV6 isn't defined.

Originally committed as revision 25147 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-09-20 06:38:40 +00:00
parent f41237c9db
commit 63206a8ffb
1 changed files with 2 additions and 2 deletions
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4
libavformat/udp.c
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@ -96,7 +96,7 @@ static int udp_join_multicast_group(int sockfd, struct sockaddr *addr)
}
}
#endif
#if HAVE_STRUCT_IPV6_MREQ
#if HAVE_STRUCT_IPV6_MREQ && defined(IPPROTO_IPV6)
if (addr->sa_family == AF_INET6) {
struct ipv6_mreq mreq6;
@ -125,7 +125,7 @@ static int udp_leave_multicast_group(int sockfd, struct sockaddr *addr)
}
}
#endif
#if HAVE_STRUCT_IPV6_MREQ
#if HAVE_STRUCT_IPV6_MREQ && defined(IPPROTO_IPV6)
if (addr->sa_family == AF_INET6) {
struct ipv6_mreq mreq6;