gnu: Add atk.

* gnu/packages/gtk.scm: New module.
* Makefile.am (MODULES): Add it.

Makefile.am

@@ -108,6 +108,7 @@ MODULES =					\
   gnu/packages/groff.scm			\
   gnu/packages/grub.scm				\
   gnu/packages/gsasl.scm			\
+  gnu/packages/gtk.scm				\
   gnu/packages/guile.scm			\
   gnu/packages/help2man.scm			\
   gnu/packages/icu4c.scm			\

gnu/packages/gtk.scm

@@ -0,0 +1,48 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages gtk)
+  #:use-module ((guix licenses)
+                #:renamer (symbol-prefix-proc 'license:))
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages pkg-config))
+
+(define-public atk
+  (package
+   (name "atk")
+   (version "2.8.0")
+   (source (origin
+            (method url-fetch)
+            (uri (string-append "mirror://gnome/sources/atk/2.8/atk-"
+                                version ".tar.xz"))
+            (sha256
+             (base32
+              "1x3dd3hg9l1j9dq70xwph13vxdp6a9wbfcnryryf1wr6c8bij9dj"))))
+   (build-system gnu-build-system)
+   (inputs `(("glib" ,glib)
+             ("pkg-config" ,pkg-config)))
+   (synopsis "GNOME accessability toolkit")
+   (description
+    "ATK provides the set of accessibility interfaces that are implemented
+by other toolkits and applications. Using the ATK interfaces, accessibility
+tools have full access to view and control running applications.")
+   (license license:lgpl2.0+)
+   (home-page "https://developer.gnome.org/atk/")))