From 5451708d5be8a826cd1753fe2be611bc4d278059 Mon Sep 17 00:00:00 2001
From: Mikio Hara <mikioh.mikioh@gmail.com>
Date: Fri, 9 Nov 2012 02:09:09 +0900
Subject: [PATCH] net: fix non-unixen build

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6813101
---
 src/pkg/net/ipsock.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/pkg/net/ipsock.go b/src/pkg/net/ipsock.go
index d1fcb4852f..9d48e8c103 100644
--- a/src/pkg/net/ipsock.go
+++ b/src/pkg/net/ipsock.go
@@ -8,7 +8,12 @@ package net
 
 import "time"
 
-var supportsIPv6, supportsIPv4map = probeIPv6Stack()
+var supportsIPv6, supportsIPv4map bool
+
+func init() {
+	sysInit()
+	supportsIPv6, supportsIPv4map = probeIPv6Stack()
+}
 
 func firstFavoriteAddr(filter func(IP) IP, addrs []string) (addr IP) {
 	if filter == nil {
-- 
2.48.1