var (
	buildOnce   sync.Once
	builtGoobjs goobjPaths
	buildErr    error
)

type goobjPaths struct {
	go1obj     string
	go2obj     string
	goarchive  string
	cgoarchive string
}

func buildGoobj(t *testing.T) goobjPaths {
	buildOnce.Do(func() {
		buildErr = func() (err error) {
			buildDir, err = os.MkdirTemp("", "TestGoobj")
			if err != nil {
				return err
			}