syscall: Define IPV6 constants for Irix.

From Rainer Orth.

From-SVN: r183652

diff --git a/libgo/go/syscall/socket_irix.go b/libgo/go/syscall/socket_irix.go
index 319a67b47c995faf4388c663ebb4c39684a92f7a..289769b6d3fcf0675ddf393eef29f68f468ed8b0 100644 (file)
--- a/libgo/go/syscall/socket_irix.go
+++ b/libgo/go/syscall/socket_irix.go
@@ -119,3 +119,12 @@ const (
 func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, error) {
        return nil, EAFNOSUPPORT
 }
+
+// <netinet/in.h.h> only provides IPV6_* etc. if  _NO_XOPEN4 && _NO_XOPEN5,
+// so as above simply provide them here.
+const (
+       IPV6_UNICAST_HOPS   = 48
+       IPV6_MULTICAST_IF   = IP_MULTICAST_IF
+       IPV6_MULTICAST_HOPS = IP_MULTICAST_TTL
+       IPV6_MULTICAST_LOOP = IP_MULTICAST_LOOP
+)