func dedupLibraries(ctxt *Link, libs []string) []string {
	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 {