pack.deps in 6-2-branch

[Simon Marlow]

> It has the two small Haskell modules and Makefile.
> And it refers to the  docon  package.
> Command
>            mv foo.zip .../t
>            cd t
>            unzip foo.zip
>            cd u
>            make foo
>            cd ..
>            ghci -package-conf u/foo.conf -package foo
> 
>      "  ghc-6.2.1: unknown package name: docon
>      "

You aren't telling GHC about the docon package.  The file 'foo.conf'
only describes the 'foo' package, with a dependency on 'docon', but GHC
doesn't have the details of the 'docon' package, because those are in
'docon.conf'.  So you need something like:

  ghci -package-conf docon.conf -package-conf u/foo.conf -package foo

Cheers,
	Simon