Added ocaml-cairo2-0.4.6

pkgs/development/ocaml-modules/ocaml-cairo2/default.nix

···
+{ stdenv, fetchurl, ocaml, findlib, pkgconfig, cairo, lablgtk, gtk,
+  enableGtkSupport ? true # Whether to compile with support for Gtk
+                          # integration (library file cairo2_gtk). Depends
+                          # on lablgtk and gtk.
+}:
+
+let
+  inherit (stdenv.lib) optionals;
+  pname = "ocaml-cairo2";
+  version = "0.4.6";
+in
+
+stdenv.mkDerivation {
+
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "http://forge.ocamlcore.org/frs/download.php/1279/cairo2-0.4.6.tar.gz";
+    sha256 = "1lc1iv5yz49avbc0wbrw9nrx8dn0c35r7cykivjln1zc2fwscf7w";
+  };
+
+  buildInputs = [ ocaml findlib pkgconfig cairo ]
+                ++ optionals enableGtkSupport [ gtk ];
+
+  # lablgtk2 is marked as a propagated build input since loading the
+  # cairo.lablgtk2 package from the toplevel tries to load lablgtk2 as
+  # well.
+  propagatedBuildInputs = optionals enableGtkSupport [ lablgtk ];
+
+  createFindlibDestdir = true;
+
+  configurePhase = "ocaml setup.ml -configure --prefix $out"
+                 + (if enableGtkSupport then " --enable-lablgtk2"
+                                        else " --disable-lablgtk2");
+
+  buildPhase = "ocaml setup.ml -build";
+
+  installPhase = "ocaml setup.ml -install";
+
+  meta = with stdenv.lib; {
+    homepage = "http://forge.ocamlcore.org/projects/cairo";
+    description = "Binding to Cairo, a 2D Vector Graphics Library";
+    longDescription = ''
+      This is a binding to Cairo, a 2D graphics library with support for
+      multiple output devices. Currently supported output targets include
+      the X Window System, Quartz, Win32, image buffers, PostScript, PDF,
+      and SVG file output.
+    '';
+    license = licenses.lgpl3;
+    platforms = ocaml.meta.platforms;
+    maintainers = [ maintainers.jirkamarsik ];
+  };
+}

pkgs/top-level/all-packages.nix

···
 
     ocaml_cairo = callPackage ../development/ocaml-modules/ocaml-cairo { };
 
+    ocaml_cairo2 = callPackage ../development/ocaml-modules/ocaml-cairo2 { };
+
     cmdliner = callPackage ../development/ocaml-modules/cmdliner { };
 
     cppo = callPackage ../development/tools/ocaml/cppo { };