return
	}
	seenlib[lib] = true

	if ctxt.IsELF {
		dsu := ctxt.loader.MakeSymbolUpdater(ctxt.DynStr)
		if dsu.Size() == 0 {
			dsu.Addstring("")
		}
		du := ctxt.loader.MakeSymbolUpdater(ctxt.Dynamic)
		Elfwritedynent(ctxt.Arch, du, elf.DT_NEEDED, uint64(dsu.Addstring(lib)))
	} else {
		Errorf(nil, "adddynlib: unsupported binary format")
	}
}