From ff2f851af1dba1155cf5d072054c5da98f3b2756 Mon Sep 17 00:00:00 2001
From: David Symonds <dsymonds@golang.org>
Date: Sun, 30 Sep 2012 15:56:23 +1000
Subject: [PATCH] exp/types: permit importing packages without available
 source.

R=gri, iant
CC=golang-dev
https://golang.org/cl/6586051
---
 src/pkg/exp/types/gcimporter.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pkg/exp/types/gcimporter.go b/src/pkg/exp/types/gcimporter.go
index 64c7b2a09ad..8441669129e 100644
--- a/src/pkg/exp/types/gcimporter.go
+++ b/src/pkg/exp/types/gcimporter.go
@@ -42,7 +42,8 @@ func FindPkg(path, srcDir string) (filename, id string) {
 	switch {
 	default:
 		// "x" -> "$GOPATH/pkg/$GOOS_$GOARCH/x.ext", "x"
-		bp, _ := build.Import(path, srcDir, build.FindOnly)
+		// Don't require the source files to be present.
+		bp, _ := build.Import(path, srcDir, build.FindOnly|build.AllowBinary)
 		if bp.PkgObj == "" {
 			return
 		}