libraries[lib] = lib
		}
	}

	libs = nil
	for _, lib := range libraries {
		libs = append(libs, lib)
	}
	sort.Strings(libs)

	return libs
}

func dedupLibraries(ctxt *Link, libs []string) []string {
	if ctxt.Target.IsOpenbsd() {
		return dedupLibrariesOpenBSD(ctxt, libs)
	}
	return libs
}

var seenlib = make(map[string]bool)