gnu: Add libbsd.

* gnu/packages/libbsd.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

gnu/local.mk

@@ -188,6 +188,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/lego.scm				\
   gnu/packages/less.scm				\
   gnu/packages/lesstif.scm			\
+  gnu/packages/libbsd.scm			\
   gnu/packages/libcanberra.scm			\
   gnu/packages/libdaemon.scm			\
   gnu/packages/libedit.scm			\

gnu/packages/libbsd.scm

@@ -0,0 +1,47 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
+;;;
+;;; 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 libbsd)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix download)
+  #:use-module (guix licenses)
+  #:use-module (guix packages))
+
+(define-public libbsd
+  (package
+    (name "libbsd")
+    (version "0.8.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://libbsd.freedesktop.org/releases/"
+                                  "libbsd-" version ".tar.xz"))
+              (sha256
+               (base32
+                "1a1l7afchlvvj2zfi7ajcg26bbkh5i98y2v5h9j5p1px9m7n6jwk"))))
+    (build-system gnu-build-system)
+    (synopsis "Utility functions from BSD systems")
+    (description "This library provides useful functions commonly found on BSD
+systems, and lacking on others like GNU systems, thus making it easier to port
+projects with strong BSD origins, without needing to embed the same code over
+and over again on each project.")
+    (home-page "https://libbsd.freedesktop.org/wiki/")
+    ;; This package is a collection of third-party functions that were
+    ;; originally released under various non-copyleft licenses.
+    (license (list bsd-2 bsd-3 bsd-4 expat isc public-domain
+                   (non-copyleft "file://COPYING"
+                                 "See COPYING in the distribution.")))))