gnu: Add Avahi.

* gnu/packages/avahi.scm: New file.
* Makefile.am (MODULES): Add it.

Makefile.am

@@ -58,6 +58,7 @@ MODULES =					\
   gnu/packages/aspell.scm			\
   gnu/packages/attr.scm				\
   gnu/packages/autotools.scm			\
+  gnu/packages/avahi.scm			\
   gnu/packages/base.scm				\
   gnu/packages/bash.scm				\
   gnu/packages/bdb.scm				\

gnu/packages/avahi.scm

@@ -0,0 +1,77 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; 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 avahi)
+  #:use-module ((guix licenses) #:select (lgpl2.1+))
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages gdbm)
+  #:use-module (gnu packages libdaemon)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages xml))
+
+(define-public avahi
+  (package
+    (name "avahi")
+    (version "0.6.31")
+    (home-page "http://avahi.org")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append home-page "/download/avahi-"
+                                 version ".tar.gz"))
+             (sha256
+              (base32
+               "0j5b5ld6bjyh3qhd2nw0jb84znq0wqai7fsrdzg7bpg24jdp2wl3"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:configure-flags '("--with-distro=none"
+                           "--disable-python"
+                           "--disable-mono"
+                           "--disable-doxygen-doc"
+                           "--disable-xmltoman"
+                           "--enable-tests"
+                           "--disable-qt3" "--disable-qt4"
+                           "--disable-gtk" "--disable-gtk3")
+       #:phases (alist-cons-before
+                 'configure 'set-perl-path
+                 (lambda* (#:key inputs #:allow-other-keys)
+                   ;; FIXME: Remove this phase when proper support for search
+                   ;; paths is available.
+                   (let ((xml-parser (assoc-ref inputs
+                                                "intltool/perl-xml-parser")))
+                     (setenv "PERL5LIB"
+                             (string-append xml-parser
+                                            "/lib/perl5/site_perl"))
+                     #t))
+                 %standard-phases)))
+    (inputs
+     `(("expat" ,expat)
+       ("glib" ,glib)
+       ("dbus" ,dbus)
+       ("libdaemon" ,libdaemon)
+       ("intltool" ,intltool)
+       ("pkg-config" ,pkg-config)
+       ("gdbm" ,gdbm)))
+    (synopsis "Avahi, an mDNS/DNS-SD implementation")
+    (description
+     "Avahi is a system which facilitates service discovery on a local
+network.  It is an implementation of the mDNS (for \"Multicast DNS\") and
+DNS-SD (for \"DNS-Based Service Discovery\") protocols.")
+    (license lgpl2.1+)))