}

	if ctxt.linkShared {
		seenDirs := make(map[string]bool)
		seenLibs := make(map[string]bool)
		addshlib := func(path string) {
			dir, base := filepath.Split(path)
			if !seenDirs[dir] {
				argv = append(argv, "-L"+dir)
				if !rpath.set {
					argv = append(argv, "-Wl,-rpath="+dir)
				}
				seenDirs[dir] = true
			}
			base = strings.TrimSuffix(base, ".so")

	seenDNSNames := map[string]bool{}
	seenIPs := map[string]bool{}
	for _, address := range addresses {
		if len(address.Address) == 0 {
			continue
		}

		switch address.Type {
		case v1.NodeHostName:
			if ip := netutils.ParseIPSloppy(address.Address); ip != nil {
				seenIPs[address.Address] = true
			} else {
				seenDNSNames[address.Address] = true
			}

	if ctxt.Target.IsOpenbsd() {
		return dedupLibrariesOpenBSD(ctxt, libs)
	}
	return libs
}

var seenlib = make(map[string]bool)

func adddynlib(ctxt *Link, lib string) {
	if seenlib[lib] || ctxt.LinkMode == LinkExternal {
		return
	}
	seenlib[lib] = true

	if ctxt.IsELF {
		dsu := ctxt.loader.MakeSymbolUpdater(ctxt.DynStr)
		if dsu.Size() == 0 {
			dsu.Addstring("")
		}

			if s != 0 {
				ctxt.loader.SetAttrCgoExportDynamic(s, false)
			}
		}
	}
}

func machoadddynlib(lib string, linkmode LinkMode) {
	if seenlib[lib] || linkmode == LinkExternal {
		return
	}
	seenlib[lib] = true

	// Will need to store the library name rounded up
	// and 24 bytes of header metadata. If not enough
	// space, grab another page of initial space at the

		d.AddUint64(target.Arch, uint64(len(ldr.Data(s))))

		dil := ldr.SymDynimplib(s)

		if !cgoeDynamic && dil != "" && !seenlib[dil] {
			du := ldr.MakeSymbolUpdater(syms.Dynamic)
			Elfwritedynent(target.Arch, du, elf.DT_NEEDED, uint64(dstru.Addstring(dil)))
			seenlib[dil] = true
		}
	} else {

		/* value */
		if st == sym.SDYNIMPORT {
			d.AddUint32(target.Arch, 0)
		} else {