* added generic Cabal builder

* transformed zlib, vty, binary, X11 to use generic Cabal builder
* note that Cabal library packages are now by default prefixed with "haskell-"

svn path=/nixpkgs/trunk/; revision=10247

pkgs/development/libraries/haskell/zlib/default.nix

@@ -1,46 +1,11 @@
-{stdenv, fetchurl, ghc, zlib}:
-
-stdenv.mkDerivation (rec {
+{cabal, zlib}:
 
+cabal.mkDerivation (self : {
   pname = "zlib";
   version = "0.4.0.2";
-
-  name = "${pname}-Haskell-${version}";
-
-  src = fetchurl {
-    url = "http://hackage.haskell.org/packages/archive/${pname}/${version}/${pname}-${version}.tar.gz";
-    sha256 = "e6e9e51ca5b7f1685eb031f826f7865acc10cc2c8d0dfad975e0e81fd17f17ed";
-  };
-
-  buildInputs = [ghc];
-
+  sha256 = "e6e9e51ca5b7f1685eb031f826f7865acc10cc2c8d0dfad975e0e81fd17f17ed";
   propagatedBuildInputs = [zlib];
-
   meta = {
     description = "Compression and decompression in the gzip and zlib formats";
   };
-
-  extraLibDirs = "${zlib}/lib";
-
-  configurePhase = ''
-    sed -i '/extra-libraries/a\ \ \ \ extra-lib-dirs: ${extraLibDirs}' ${pname}.cabal
-    ghc --make Setup.hs
-    ./Setup configure --prefix="$out"
-  '';
-
-  buildPhase = ''
-    ./Setup build
-  '';
-
-  installPhase = ''
-    ./Setup copy
-    ./Setup register --gen-script
-    mkdir $out/nix-support
-    sed -i 's/|.*\(ghc-pkg update\)/| \1/' register.sh
-    cp register.sh $out/nix-support/register-ghclib.sh
-    sed -i 's/\(ghc-pkg update\)/\1 --user/' register.sh
-    mkdir $out/bin
-    cp register.sh $out/bin/register-ghclib-${name}.sh
-  '';
-
 })