cmd/dist: only build exec wrappers when cross compiling

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
index 560b19b68013de300c720a6d4f4f54c9f410959e..a9c6c04c7387d1ea7c991eaeb6967bb8ce4d9d81 100644 (file)
--- 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)