gnu: Add libupnp.

* gnu/packages/libupnp.scm: New file.
* gnu-system.am: Add the new file.

gnu-system.am

@@ -163,6 +163,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/libunistring.scm			\
   gnu/packages/libusb.scm			\
   gnu/packages/libunwind.scm			\
+  gnu/packages/libupnp.scm			\
   gnu/packages/lightning.scm			\
   gnu/packages/links.scm			\
   gnu/packages/linux.scm			\

gnu/packages/libupnp.scm

@@ -0,0 +1,52 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
+;;;
+;;; 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 libupnp)
+  #:use-module (guix licenses)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu))
+
+(define-public libupnp
+  (package
+    (name "libupnp")
+    (version "1.6.19")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://sourceforge/pupnp/pupnp/libUPnP%20"
+                          version "/" name "-" version ".tar.bz2"))
+      (sha256
+       (base32
+        "0amjv4lypvclmi4vim2qdyw5xa6v4x50zjgf682vahqjc0wjn55k"))))
+    (build-system gnu-build-system)
+    (arguments
+     ;; The tests require a network device capable of multicasting which is
+     ;; not available in the build environment. See
+     ;; https://lists.gnu.org/archive/html/guix-devel/2015-01/msg00312.html.
+     `(#:tests? #f
+       #:configure-flags '("--enable-ipv6")))
+    (home-page "http://pupnp.sourceforge.net")
+    (synopsis "Portable SDK for UPnP Devices")
+    (description
+     "The portable SDK for UPnP Devices (libupnp) provides developers with an
+API and open source code for building control points, devices, and bridges
+that are compliant with Version 1.0 of the Universal Plug and Play Device
+Architecture Specification and support several operating systems like Linux,
+*BSD, Solaris and others.")
+    (license bsd-3)))