dbopt = dboff
				heopt = heoff
			} else {
				// older toolchain: we have to say nothing in order to
				// get a no-ASLR binary.
				dbopt = ""
				heopt = ""
			}
		}
		if dbopt != "" {
			argv = append(argv, "-Wl,"+dbopt)
		}
		// enable high-entropy ASLR on 64-bit.
		if ctxt.Arch.PtrSize >= 8 && heopt != "" {
			argv = append(argv, "-Wl,"+heopt)
		}