patch applied (packages/containers): include Typeable.h in package

[Ross Paterson]

On Mon, Aug 20, 2007 at 11:33:01AM +0100, Ian Lynagh wrote:
> On Sun, Aug 19, 2007 at 05:11:11PM -0700, Ross Paterson wrote:
> > Sun Aug 19 16:40:48 PDT 2007  Ross Paterson <ross at soi.city.ac.uk>
> >   * include Typeable.h in package
> > 
> >     M ./containers.cabal +1
> >     A ./include/
> >     A ./include/Typeable.h
> 
> Typeable.h is in install-includes in the base package, so surely it
> should be available to packages that depend on base? Otherwise there is
> no point installing it.

In principle, yes, and the duplication is very ugly.  The problem is
getting Cabal to tell cpphs where to look for it.  (This doesn't arise
when GHC is the target, because then the preprocessing is done by ghc
itself.)  So I used the same kludge as in the network package.