}

// removeAll is like os.RemoveAll, but retries Windows "Access is denied."
// errors up to an arbitrary timeout.
//
// Those errors have been known to occur spuriously on at least the
// windows-amd64-2012 builder (https://go.dev/issue/50051), and can only occur
// legitimately if the test leaves behind a temp file that either is still open
// or the test otherwise lacks permission to delete. In the case of legitimate

	}
	return args[:len(args):len(args)], nil
}

// gccMachine returns the gcc -m flag to use, either "-m32", "-m64" or "-marm".
func (p *Package) gccMachine() []string {
	switch goarch {
	case "amd64":
		if goos == "darwin" {
			return []string{"-arch", "x86_64", "-m64"}
		}
		return []string{"-m64"}
	case "arm64":
		if goos == "darwin" {
			return []string{"-arch", "arm64"}
		}