Re: [Haskell-cafe] [Haskell] macports, cabal, cabal-install difficulty

I don't know about the ld warning, but cabal-install can never know which version of cabal-install is installed, because it doesn't track executables - it only tracks and knows about libraries. Right after the warning is the line:

Installing executable(s) in /Users/matthew/.cabal/bin

So it looks like it might have worked :-) You can either add ~/.cabal/bin to your path, or move/soft-link the cabal-install executable to your preferred path. Take care, Antoine On Sat, Dec 18, 2010 at 7:52 AM, Matthew Fairtlough wrote:

Hello, I'm new to this list and to hackage/cabal/cabal-install and haskell on the mac generally.  I don't dare post on cabal-devel because I'm a newbie.

I came to this question because I haven't been able to install the unix package properly (some packages I want depend on it) but I've posted separately in haskell-cafe on that. I've port version 1.9.2 and haskell-platform @2009.2.0.2 (devel, haskell)

My question: Is cabal currently out-of-the-box compatible with macports?  I seem to have problems with cabal-install, in particular the ld warning and the fact that cabal doesn't seem to know what version of cabal-install is installed.

bash-3.2# cabal info cabal * Cabal            (library)    Synopsis:      A framework for packaging Haskell software    Latest version available: 1.10.0.0    Latest version installed: 1.10.0.0

bash-3.2# cabal install cabal-install-0.8.2 Resolving dependencies... Configuring cabal-install-0.8.2... Preprocessing executables for cabal-install-0.8.2... Building cabal-install-0.8.2... ....<lots of build information deleted>... [40 of 40] Compiling Main             ( Main.hs, dist/build/cabal/cabal-tmp/Main.o ) Linking dist/build/cabal/cabal ... ld: warning: -read_only_relocs cannot be used with x86_64 Installing executable(s) in /Users/matthew/.cabal/bin

bash-3.2# cabal info cabal-install * cabal-install    (program)    Synopsis:      The command-line interface for Cabal and Hackage.    Latest version available: 0.8.2    Latest version installed: [ Unknown ]

....and lots more:...

   Homepage:      http://www.haskell.org/cabal/    Bug reports:   http://hackage.haskell.org/trac/hackage/    Description:   The \'cabal\' command-line program simplifies the process of                   managing Haskell software by automating the fetching,                   configuration, compilation and installation of Haskell                   libraries and programs.    Category:      Distribution    License:       BSD3    Author:        Lemmih                   Paolo Martini                   Bjorn Bringert                   Isaac Potoczny-Jones                   Duncan Coutts    Maintainer:    cabal-devel@haskell.org    Source repo:   http://darcs.haskell.org/cabal-install/    Executables:   cabal    Flags:         old-base, bytestring-in-base    Dependencies:  unix >=1.0 && <2.5, Win32 ==2.*, bytestring >=0.9,                   base <2.0 || >=3.0, base >=2.0 && <2.2, old-time >=1 && <1.1,                   array >=0.1 && <0.4, containers >=0.1 && <0.4,                   random >=1 && <1.1, pretty >=1 && <1.1,                   directory >=1 && <1.1, process >=1 && <1.1, base >=3,                   base <3, time ==1.1.*, zlib >=0.4 && <0.6,                   HTTP >=4000.0.2 && <4001, network >=1 && <3, filepath

...

=1.0,                   Cabal ==1.8.*, base >=2 && <5    Cached:        Yes

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