ldcpp: reimplement using mkDerivation

Also add libnotify support

pkgs/applications/networking/p2p/ldcpp/default.nix

···
-{ builderDefs, scons, pkgconfig, gtk, bzip2, libglade, openssl, libX11, boost, zlib }:
+{ stdenv, fetchurl, scons, pkgconfig, gtk, bzip2, libglade, openssl
+, libX11, boost, zlib, libnotify }:
+
+stdenv.mkDerivation rec {
+  name = "ldcpp-1.1.0";
+  src = fetchurl {
+    url = http://launchpad.net/linuxdcpp/1.1/1.1.0/+download/linuxdcpp-1.1.0.tar.bz2;
+    sha256 = "12i92hirmwryl1qy0n3jfrpziwzb82f61xca9jcjwyilx502f0b6";
+  };
+  buildInputs = [ scons pkgconfig gtk bzip2 libglade openssl libX11 boost libnotify ];
+
+  installPhase = ''
+    export NIX_LDFLAGS="$NIX_LDFLAGS -lX11";
 
-with builderDefs;
-  let localDefs = builderDefs.passthru.function ((rec {
-    src = /* put a fetchurl here */
-    fetchurl {
-      url = http://launchpad.net/linuxdcpp/1.1/1.1.0/+download/linuxdcpp-1.1.0.tar.bz2;
-      sha256 = "66012740e9347a2e994c8af5609c40ebf3f86f767258e071a03ef39a2314298a";
-    };
+    touch gettext xgettext msgfmt msgcat
+    chmod +x gettext xgettext msgfmt msgcat
+    export PATH=$PATH:$PWD
 
-    buildInputs = [scons pkgconfig gtk bzip2 libglade
-      openssl libX11 boost];
-    configureFlags = [];
-    doScons = fullDepEntry (''
-      mkdir -p $out
-      export NIX_LDFLAGS="$NIX_LDFLAGS -lX11";
-      
-      for i in gettext xgettext msgfmt msgcat; do
-        echo > $i
-	chmod a+x $i
-      done
-      export PATH=$PATH:$PWD
+    mkdir -p $out
+    scons PREFIX=$out
+    scons PREFIX=$out install
+  '';
 
-      scons PREFIX=$out 
-      scons PREFIX=$out install
-    '') ["minInit" "doUnpack" "addInputs" "defEnsureDir"];
-  }));
-  in with localDefs;
-stdenv.mkDerivation rec {
-  name = "ldcpp-1.1.0";
-  builder = writeScript (name + "-builder")
-    (textClosure localDefs 
-      [doScons doForceShare doPropagate]);
   meta = {
-    description = "Linux DC++ - Direct Connect client";
+    description = "Direct Connect client";
+    license = stdenv.lib.licenses.gpl2;
   };
 }