[Haskell-beginners] Haskell, Ray Tracing, Parallel Computation

[Antoine Latter]

On Fri, Jan 15, 2010 at 11:24 AM, Jon Harrop <jon at ffconsultancy.com> wrote:
> On Friday 15 January 2010 15:17:38 Tom Davie wrote:
>> You should be able to get it just by running cabal update & cabal install
>> AC-Vector.
>
> When I run "cabal install" it says:
>
> $ cabal update
> Downloading the latest package list from hackage.haskell.org
> Note: there is a new version of cabal-install available.
> To upgrade, run: cabal install cabal-install
>
> If I run "cabal install cabal-install" as it suggests then it appears to do a
> lot of work, ending with this:
>
> ...
> [33 of 34] Compiling Distribution.Client.List ( Distribution/Client/List.hs,
> dist/build/cabal/cabal-tmp/Distribution/Client/List.o )
> [34 of 34] Compiling Main             ( Main.hs,
> dist/build/cabal/cabal-tmp/Main.o )
> Linking dist/build/cabal/cabal ...
> Installing executable(s) in /home/jdh30/.cabal/bin
>
> But when I run "cabal install" again it fails to detect the updated
> cabal-install correctly:
>

Is /home/jdh30/.cabal/bin in your $PATH? That's the default install
location of executables by cabal-install.

What I usually do is a manual soft-link from ${HOME}/.cabal/bin/foo to
${HOME}/bin/foo for the programs which cabal installs that I would
like in my path. But I may be a bit quirky.

Antoine