Added dbus variant with X support

Default is the old variant (without X).

svn path=/nixpkgs/trunk/; revision=9350

pkgs/development/libraries/dbus_x/default.nix

@@ -0,0 +1,13 @@
+args: with args;
+
+stdenv.mkDerivation {
+  name = "dbus-1.0.2";
+  src = fetchurl {
+    url = http://dbus.freedesktop.org/releases/dbus/dbus-1.0.2.tar.gz;
+    sha256 = "1jn652zb81mczsx4rdcwrrzj3lfhx9d107zjfnasc4l5yljl204a";
+  };
+  buildInputs = [pkgconfig expat libX11 libICE libSM];
+
+  configureFlags = "--with-x --disable-static --localstatedir=/var --with-session-socket-dir=/tmp";
+  patchPhase = "sed -e /mkinstalldirs.*localstatedir/d -i bus/Makefile.in";
+}

pkgs/top-level/all-packages.nix

@@ -1466,8 +1466,20 @@ rec {
     inherit fetchurl stdenv;
   };
 
-  dbus = import ../development/libraries/dbus {
+  # I think, this is a bad practice to use getVersion for various build
+  # variants, but it's 5 o'clock now...
+  dbus = getVersion "dbus" dbus_alts;
+
+  dbus_alts = rec
+  {
+    noX11 = import ../development/libraries/dbus {
     inherit fetchurl stdenv pkgconfig expat;
+    };
+    withX11 = import ../development/libraries/dbus_x {
+	  inherit fetchurl stdenv pkgconfig expat;
+	  inherit (xlibs) libX11 libICE libSM;
+    };
+	default = noX11;
   };
 
   dbus_glib = import ../development/libraries/dbus-glib {