POSIX named semaphore and shared memory object bindings

[Duncan Coutts]

On Thu, 2007-05-03 at 16:44 -0400, Daniel Franke wrote:

> 2. The HEAD version of `unix' depends on the HEAD version of `Cabal',
>    which currently won't build:
> 
>    Distribution/Compat/TempFile.hs:6:7:
>        Could not find module `IO':
>          it is a member of package haskell98, which is hidden

Fixed thanks.

Trying to keep things working on nhc and ghc simultaneously doesn't seem
to be that easy :-(.

Duncan