From 0b07effab1a009c345d732fb66a9ea86139d91e7 Mon Sep 17 00:00:00 2001
From: Albert Strasheim <fullung@gmail.com>
Date: Mon, 7 Apr 2014 12:59:55 -0700
Subject: [PATCH] cmd/go: Check error from SWIG link step.

LGTM=iant
R=iant
CC=golang-codereviews
https://golang.org/cl/85070043
---
 src/cmd/go/build.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cmd/go/build.go b/src/cmd/go/build.go
index a21c873c85..d7a1d21828 100644
--- a/src/cmd/go/build.go
+++ b/src/cmd/go/build.go
@@ -2522,7 +2522,9 @@ func (b *builder) swigOne(p *Package, file, obj string, cxx bool, intgosize stri
 	}
 	ldflags := stringList(osldflags[goos], cflags, cgoLDFLAGS, cxxlib)
 	target := filepath.Join(obj, soname)
-	b.run(p.Dir, p.ImportPath, nil, b.gccCmd(p.Dir), "-o", target, gccObj, extraObj, ldflags)
+	if err := b.run(p.Dir, p.ImportPath, nil, b.gccCmd(p.Dir), "-o", target, gccObj, extraObj, ldflags); err != nil {
+		return "", "", err
+	}
 
 	return obj + goFile, cObj, nil
 }