From 949ae8cced70fdd06cdd220e1e06467bb332d91c Mon Sep 17 00:00:00 2001
From: Dave Cheney <dave@cheney.net>
Date: Wed, 3 Apr 2013 19:13:37 +1100
Subject: [PATCH] go/build: disable cgo when cross compiling

Fixes #5141.

R=golang-dev, minux.ma, ality, bradfitz
CC=golang-dev
https://golang.org/cl/8134043
---
 src/pkg/go/build/build.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/pkg/go/build/build.go b/src/pkg/go/build/build.go
index dc3669c1df..cc89afb218 100644
--- a/src/pkg/go/build/build.go
+++ b/src/pkg/go/build/build.go
@@ -301,7 +301,13 @@ func defaultContext() Context {
 	case "0":
 		c.CgoEnabled = false
 	default:
-		c.CgoEnabled = cgoEnabled[c.GOOS+"/"+c.GOARCH]
+		// golang.org/issue/5141
+		// cgo should be disabled for cross compilation builds
+		if runtime.GOARCH == c.GOARCH && runtime.GOOS == c.GOOS {
+			c.CgoEnabled = cgoEnabled[c.GOOS+"/"+c.GOARCH]
+			break
+		}
+		c.CgoEnabled = false
 	}
 
 	return c