Just FYI it is possible to use OLD "cabal" binaries with the new GHC 7.4.  No need to necessarily rebuild cabal-install with GHC 7.4.

I do this all the time.  Perhaps it's a bad practice ;-).

  -Ryan

On Mon, Jan 2, 2012 at 8:07 AM, Brent Yorgey <byorgey@seas.upenn.edu> wrote:
On Mon, Jan 02, 2012 at 04:35:25PM +0400, Serge D. Mechveliani wrote:
> On Sun, Jan 01, 2012 at 07:51:39AM -0500, Ryan Newton wrote:
> > I haven't entirely followed this and I see that it's been split over
> > multiple threads.
> >
> > Did "cabal install random" actually fail for you under
> > ghc-7.4.0.20111219?  If so I'd love to know about it as the maintainer
> > of the "random" package.  (It seems to work for me for
> > random-1.0.1.1.)
>
> "cabal install random"
> cannot run in my situation, because I have not  cabal  usable in the
> command line (I only have the Cabal library in the place where the
> ghc-7.4.0.20111219 libraries are installed).
> My idea is that having installed GHC, I use the GHC packages and, probably,
> do not need to install Cabal (why complicate things?, why force a DoCon
> user to install extra software?).

It is not really "forcing them to install extra software".  Pretty
much everyone these days will already have the Haskell Platform, which
comes with cabal-install anyway.

-Brent

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