setNoOpt()
	goldflags = os.Getenv("GO_LDFLAGS") // we were using $BOOT_GO_LDFLAGS until now
	goBootstrap := pathf("%s/go_bootstrap", tooldir)
	if debug {
		run("", ShowOutput|CheckExit, pathf("%s/compile", tooldir), "-V=full")
		copyfile(pathf("%s/compile1", tooldir), pathf("%s/compile", tooldir), writeExec)
	}

	// To recap, so far we have built the new toolchain

					have[file] = true
				}
			}
			if have[file] {
				continue
			}
		}
		files = append(files, file)
	}
	return files
}

// Desc returns the package "description", for use in b.showOutput.
func (p *Package) Desc() string {
	if p.ForTest != "" {
		return p.ImportPath + " [" + p.ForTest + ".test]"
	}
	if p.Internal.ForMain != "" {
		return p.ImportPath + " [" + p.Internal.ForMain + "]"
	}