From 58993e514ec8ee306b305df7db761f73ae522d3a Mon Sep 17 00:00:00 2001
From: Shenghou Ma <minux.ma@gmail.com>
Date: Wed, 6 Jun 2012 22:03:31 +0800
Subject: [PATCH] net: fix cgoAddrInfoFlags() on FreeBSD         CL 6250075
 removed AI_MASK mask on all BSD variants,         however FreeBSD's AI_MASK
 does not include AI_V4MAPPED         and AI_ALL, and its libc is strict about
 the ai_flags.

        This will fix the FreeBSD builder.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6305054
---
 src/pkg/net/cgo_bsd.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pkg/net/cgo_bsd.go b/src/pkg/net/cgo_bsd.go
index cf9cabbfebb..3b38e3d83e7 100644
--- a/src/pkg/net/cgo_bsd.go
+++ b/src/pkg/net/cgo_bsd.go
@@ -12,5 +12,5 @@ package net
 import "C"
 
 func cgoAddrInfoFlags() C.int {
-	return C.AI_CANONNAME | C.AI_V4MAPPED | C.AI_ALL
+	return (C.AI_CANONNAME | C.AI_V4MAPPED | C.AI_ALL) & C.AI_MASK
 }