gnu: Add IBus.

* gnu/packages/ibus.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -146,6 +146,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/haskell.scm			\
   gnu/packages/hugs.scm				\
   gnu/packages/hurd.scm				\
+  gnu/packages/ibus.scm				\
   gnu/packages/icu4c.scm			\
   gnu/packages/idutils.scm			\
   gnu/packages/image.scm			\

gnu/packages/ibus.scm

@@ -0,0 +1,92 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; 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 ibus)
+  #:use-module (guix licenses)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix build-system glib-or-gtk)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages gnome)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages iso-codes)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages python))
+
+(define-public ibus
+  (package
+   (name "ibus")
+   (version "1.5.5")
+   (source (origin
+             (method url-fetch)
+             (uri (string-append "https://ibus.googlecode.com/files/ibus-"
+                                 version ".tar.gz"))
+             (sha256
+              (base32
+               "1v4a9xv2k26g6ggk4282ynfvh68j2r5hg1cdpvnryfa8c2pkdaq2"))))
+   (build-system glib-or-gtk-build-system)
+   (arguments
+    `(#:tests? #f  ; tests fail because there's no connection to dbus
+      #:make-flags
+      (list "CC=gcc"
+            (string-append "pyoverridesdir="
+                           (assoc-ref %outputs "out")
+                           "/lib/python2.7/site-packages/gi/overrides/"))
+      #:phases
+      (alist-cons-before
+       'configure 'disable-dconf-update
+       (lambda _
+         (substitute* "data/dconf/Makefile.in"
+           (("dconf update") "echo dconf update"))
+         #t)
+       (alist-cons-after
+        'wrap-program 'wrap-with-additional-paths
+        (lambda* (#:key outputs #:allow-other-keys)
+          ;; Make sure 'ibus-setup' runs with the correct PYTHONPATH and
+          ;; GI_TYPELIB_PATH.
+          (let ((out (assoc-ref outputs "out")))
+            (wrap-program (string-append out "/bin/ibus-setup")
+              `("PYTHONPATH" ":" prefix (,(getenv "PYTHONPATH")))
+              `("GI_TYPELIB_PATH" ":" prefix
+                (,(getenv "GI_TYPELIB_PATH")
+                 ,(string-append out "/lib/girepository-1.0"))))))
+        %standard-phases))))
+   (inputs
+    `(("dbus" ,dbus)
+      ("dconf" ,dconf)
+      ("gconf" ,gconf)
+      ("glib" ,glib)
+      ("gtk2" ,gtk+-2)
+      ("intltool" ,intltool)
+      ("libnotify" ,libnotify)
+      ("iso-codes" ,iso-codes)
+      ("pygobject2" ,python2-pygobject)
+      ("python2" ,python-2)))
+   (native-inputs
+    `(("glib" ,glib "bin") ; for glib-genmarshal
+      ("gobject-introspection" ,gobject-introspection) ; for g-ir-compiler
+      ("pkg-config" ,pkg-config)))
+   (synopsis "Input method framework")
+   (description
+    "IBus is an input framework providing a full-featured and user-friendly
+input method user interface.  It comes with multilingual input support.  It
+may also simplify input method development.")
+   (home-page "http://ibus.googlecode.com/")
+   (license lgpl2.1+)))