From 06df6acd196af4e89ccfbc7b23fcc4ea195f556f Mon Sep 17 00:00:00 2001
From: ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 9 Jan 2015 21:18:04 +0000
Subject: [PATCH] cmd/go: Adjust finding gccgo to match current upstream
 sources.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219406 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libgo/go/cmd/go/build.go | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/libgo/go/cmd/go/build.go b/libgo/go/cmd/go/build.go
index 8de762761184..36216cea4044 100644
--- a/libgo/go/cmd/go/build.go
+++ b/libgo/go/cmd/go/build.go
@@ -1783,15 +1783,22 @@ func (gcToolchain) cc(b *builder, p *Package, objdir, ofile, cfile string) error
 // The Gccgo toolchain.
 type gccgoToolchain struct{}
 
-func (gccgoToolchain) compiler() string {
-	if v := os.Getenv("GOC"); v != "" {
-		return v
+var gccgoName, gccgoBin string
+
+func init() {
+	gccgoName = os.Getenv("GCCGO")
+	if gccgoName == "" {
+		gccgoName = defaultGCCGO
 	}
-	return defaultGOC
+	gccgoBin, _ = exec.LookPath(gccgoName)
+}
+
+func (gccgoToolchain) compiler() string {
+	return gccgoBin
 }
 
-func (tools gccgoToolchain) linker() string {
-	return tools.compiler()
+func (gccgoToolchain) linker() string {
+	return gccgoBin
 }
 
 func (tools gccgoToolchain) gc(b *builder, p *Package, archive, obj string, importArgs []string, gofiles []string) (ofile string, output []byte, err error) {
-- 
2.47.3