* 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/vty/default.nix

@@ -1,42 +1,13 @@
-{stdenv, fetchurl, ghc}:
-
-stdenv.mkDerivation (rec {
+{cabal}:
 
+cabal.mkDerivation (self : {
   pname = "vty";
   version = "3.0.0";
-
-  name = "${pname}-${version}";
-
-  src = fetchurl {
-    url = "http://hackage.haskell.org/packages/archive/${pname}/${version}/${name}.tar.gz";
-    sha256 = "44ae53d06b8b45c14cd3861e860a38730ed9995ed56b1b3d9aba6641771f1947";
-  };
-
-  buildInputs = [ghc];
-
+  sha256 = "44ae53d06b8b45c14cd3861e860a38730ed9995ed56b1b3d9aba6641771f1947";
   meta = {
     description = "vty is a *very* simplistic library in the niche of ncurses";
   };
-
-  configurePhase = ''
-    sed -i 's|^Build-Depends:.*$|&, bytestring, containers|' ${pname}.cabal
-    ghc --make Setup.lhs
-    ./Setup configure -v --prefix="$out"
+  preConfigure = ''
+    sed -i 's|^Build-Depends:.*$|&, bytestring, containers|' ${self.pname}.cabal
   '';
-
-  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
-  '';
-
 })