I can reproduce the error. If you don't mind, let's continue that
discussion on the Batteries-devel mailing-list [1].

Thanks for the bug report,
 David

[1]
http://lists.forge.ocamlcore.org/cgi-bin/mailman/listinfo/batteries-devel 


On Sun, 2008-10-12 at 13:00 -0400, Peng Zang wrote:
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> Hash: SHA1
> 
> On Sunday 12 October 2008 09:59:13 am David Teller wrote:
> >           Hi,
> >
> >  It seems we forgot one dependency in the README: you need Bin-prot to
> > get Batteries to work. I must confess that we could have removed that
> > dependency for Alpha 1, as we don't use any feature of Bin-prot yet.
> >
> > Cheers,
> >  David
> 
> 
> Thanks for your help.  Installing Bin-prot has seemed to fix that error.  
> Unfortunately, now I get a different one.  To give some context, I am trying 
> to create an equivalent toplevel init.ml file that corresponds to the 
> ocamlbuild _tags file. 
> 
> To build a project with Batteries all you need is "<*>: use_batteries" in the 
> _tags file.  I don't really use ocamlbuild so I am assuming the _tags file 
> plays a similar role to your normal Makefile.
> 
> My equivalent init.ml file which aims to start an ocamltoplevel in an 
> environment where any code that compiles will run in the toplevel consists, 
> so far of:
> 
>   #use "topfind"
>   #require "batteries"
> 
> The new error is: Reference to undefined global `Ref'
> 
> I am not familiar with Ref.  It looks like it's a module in Batteries, so I'm 
> not sure why it's throwing this error.  I tried to open Data.Mutable to see 
> if perhaps things worked despite the warning, but it does not appear to be 
> so.
> 
> Any ideas?  I've attached the complete output below for reference.
> 
> 
> Thanks in advance,
> 
> 
> Peng

-- 
David Teller-Rajchenbach
 Security of Distributed Systems
  http://www.univ-orleans.fr/lifo/Members/David.Teller
 Angry researcher: French Universities need reforms, but the LRU act
brings liquidations.