return err == nil && strings.Contains(string(out), "GNU")
	} else {
		return false
	}
}

// gccgoBuildIDFile creates an assembler file that records the
// action's build ID in an SHF_EXCLUDE section for ELF files or
// in a CSECT in XCOFF files.
func (b *Builder) gccgoBuildIDFile(a *Action) (string, error) {
	sfile := a.Objdir + "_buildid.s"

	var buf bytes.Buffer
	if cfg.Goos == "aix" {

	if a.buildID != "" && cfg.BuildToolchainName == "gccgo" {
		switch cfg.Goos {
		case "aix", "android", "dragonfly", "freebsd", "illumos", "linux", "netbsd", "openbsd", "solaris":
			asmfile, err := b.gccgoBuildIDFile(a)
			if err != nil {
				return err
			}
			ofiles, err := BuildToolchain.asm(b, a, []string{asmfile})
			if err != nil {
				return err
			}
			objects = append(objects, ofiles...)
		}
	}