still missing piece

svn path=/nixpkgs/trunk/; revision=11566

pkgs/development/compilers/ghc/ghc-wrapper/ghc-cabal-executable-fun.nix

@@ -0,0 +1,17 @@
+args: with args;
+{ name, src, meta ? {}, libsFun, pass ? {} } : 
+let buildInputs = libsFun ((ghc68extraLibs ghcsAndLibs.ghc68) // ghcsAndLibs.ghc68.core_libs) 
+                  ++ [ ghcsAndLibs.ghc68.ghc perl ];
+in stdenv.mkDerivation ({
+  inherit name src meta;
+  phases = "unpackPhase patchPhase buildPhase";
+  # TODO The ghc must be the one having compiled the libs.. So make this obvious by not having to pass it
+  buildPhase  = ''
+    ghc --make Setup.*hs -o setup
+    ensureDir \out
+    nix_ghc_pkg_tool join local-pkg-db
+    ./setup configure --prefix=$out --package-db=local-pkg-db
+    ./setup build
+    ./setup install
+    '';
+} // pass // { buildInputs = buildInputs ++  (if pass ? buildInputs then lib.toList pass.buildInputs else []); })