[Haskell-cafe] ANN: cabal-install-1.16.0 (and Cabal-1.16.0.1)

[Johan Tibell]

On Wed, Oct 3, 2012 at 9:15 PM, Austin Seipp <mad.one at gmail.com> wrote:
> Just a heads up: on Ubuntu 12.04 with GHC 7.4.1 out of apt (no
> haskell-platform,) using the bootstrap.sh script fails, because the
> constraints for CABAL_VER_REGEXP are too lax:
>
> $ sh ./bootstrap.sh
> Checking installed packages for ghc-7.4.1...
> Cabal is already installed and the version is ok.
> transformers is already installed and the version is ok.
> mtl is already installed and the version is ok.
> deepseq is already installed and the version is ok.
> text is already installed and the version is ok.
> parsec is already installed and the version is ok.
> network is already installed and the version is ok.
> time is already installed and the version is ok.
> HTTP is already installed and the version is ok.
> zlib is already installed and the version is ok.
> random is already installed and the version is ok.
> cleaning...
> Linking Setup ...
> Configuring cabal-install-1.16.0...
> Setup: At least the following dependencies are missing:
> Cabal >=1.16.0 && <1.18
>
> Error during cabal-install bootstrap:
> Configuring the cabal-install package failed
> $ ghc-pkg list Cabal
> /var/lib/ghc/package.conf.d
>    Cabal-1.14.0
> /home/a/.ghc/x86_64-linux-7.4.1/package.conf.d
> $
>
> In bootstrap.sh, we see:
>
> CABAL_VER="1.16.0";    CABAL_VER_REGEXP="1\.(13\.3|1[4-7]\.)"  # >=
> 1.13.3 && < 1.18
>
> The constraint should be updated so that it requires 1.16. It can be
> fixed by saying:
>
> CABAL_VER="1.16.0";    CABAL_VER_REGEXP="1\.(1[6-7]\.)"  # >= 1.16 && < 1.18
>
> Otherwise, you can't get any new cabal install without the platform.
> Or you have to get 1.14, then install 1.16 via 'cabal install'.
>
> I'll file a bug later today.

Thanks. Please make the fix against the cabal-1.16 branch on GitHub
and send me a pull request.

-- Johan