recursive module import using hs-boot and cabal

A.hs

module A where 
  
import {-# SOURCE #-} B 

data Atyp = Atyp Btyp 

B.hs

module B where  

import A 

data Btyp = Btyp Atyp 

B.hs-boot

module B where 

data Btyp 

hsboottest.cabal

Name:		hsboottest
Version:	0.0.999
Synopsis:	
Description: 	
Author:		Ian-Woo Kim
Maintainer: 	Ian-Woo Kim <ianwookim@gmail.com>
Build-Type: 	Simple
Cabal-Version:  >= 1.8
Data-files: 

Library
  ghc-options: 	-Wall -O2 -threaded -funbox-strict-fields -fno-warn-unused-do-bind
  ghc-prof-options: -caf-all -auto-all
  Build-Depends: base>4 

  Exposed-Modules: 
                   A
                   B