cmd/dist: only build exec wrappers when cross compiling

eliasnaur · bradfitz · commit f0c383b833da · 2019-05-01T16:53:19.000Z
Updates #31722 Change-Id: Ib44b46e628e364fff6eacda2b26541db2f0a4261 Reviewed-on: https://go-review.googlesource.com/c/go/+/174701 Run-TryBot: Elias Naur <mail@eliasnaur.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/src/cmd/dist/build.go b/src/cmd/dist/build.go
@@ -1425,6 +1425,9 @@ func cmdbootstrap() {
 }
 
 func wrapperPathFor(goos, goarch string) string {
+	if goos == gohostos && goarch == gohostarch {
+		return ""
+	}
 	switch {
 	case goos == "android":
 		return pathf("%s/misc/android/go_android_exec.go", goroot)

Original file line number	Diff line number	Diff line change
`@@ -1425,6 +1425,9 @@ func cmdbootstrap() {`
`1425`	`1425`	`}`
`1426`	`1426`
`1427`	`1427`	`func wrapperPathFor(goos, goarch string) string {`
	`1428`	`+ if goos == gohostos && goarch == gohostarch {`
	`1429`	`+ return ""`
	`1430`	`+ }`
`1428`	`1431`	`switch {`
`1429`	`1432`	`case goos == "android":`
`1430`	`1433`	`return pathf("%s/misc/android/go_android_exec.go", goroot)`