Ricardo Wurmus <rekado@elephly.net> writes:

> From: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
>
> * gnu/packages/sssd.scm: New file.
> * gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
> ---
>  gnu/local.mk          |  1 +
>  gnu/packages/sssd.scm | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 53 insertions(+)
>  create mode 100644 gnu/packages/sssd.scm
>
> diff --git a/gnu/local.mk b/gnu/local.mk
> index 28a283ab7..52fb6f510 100644
> --- a/gnu/local.mk
> +++ b/gnu/local.mk
> @@ -356,6 +356,7 @@ GNU_SYSTEM_MODULES =				\
>    %D%/packages/speech.scm			\
>    %D%/packages/spice.scm			\
>    %D%/packages/ssh.scm				\
> +  %D%/packages/sssd.scm				\
>    %D%/packages/stalonetray.scm			\
>    %D%/packages/statistics.scm			\
>    %D%/packages/storage.scm			\
> diff --git a/gnu/packages/sssd.scm b/gnu/packages/sssd.scm
> new file mode 100644
> index 000000000..8166b6dda
> --- /dev/null
> +++ b/gnu/packages/sssd.scm
> @@ -0,0 +1,52 @@
> +;;; GNU Guix --- Functional package management for GNU
> +;;; Copyright © 2016, 2017 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 sssd)
> +  #:use-module ((guix licenses) #:prefix license:)
> +  #:use-module (guix packages)
> +  #:use-module (guix download)
> +  #:use-module (guix utils)
> +  #:use-module (guix build-system gnu)
> +  #:use-module (gnu packages))
> +
> +(define-public ding-libs
> +  (package
> +    (name "ding-libs")
> +    (version "0.6.0")
> +    (source (origin
> +              (method url-fetch)
> +              (uri (string-append "https://releases.pagure.org/SSSD/ding-libs/"
> +                                  "ding-libs-" version ".tar.gz"))
> +              (sha256
> +               (base32
> +                "1bczkvq7cblp75kqn6r2d7j5x7brfw6wxirzc6d2rkyb80gj2jkn"))))
> +    (build-system gnu-build-system)
> +    (home-page "https://pagure.io/SSSD/ding-libs/")
> +    (synopsis "Libraries for SSSD")
> +    (description
> +     "DING-LIBS (DING Is Not Glib) are a set of small, useful libraries that
> +the @dfn{System Security Services Daemon} (SSSD) uses and makes available to
> +other projects.  They include: libdhash, an implementation of a dynamic hash
> +table which will dynamically resize to achieve optimal storage and access time
> +properties; ini_config, a library for parsing and managing @code{INI} files;
> +path_utils, a library to manage UNIX paths and subsets of paths; collection, a
> +generic, hierarchical grouping mechanism for complex data sets; ref_array, a
> +dynamically-growing, reference-counted array; libbasicobjects, a set of
> +fundamental object types for C ")
                                ^^^
Missing punctuation? LGTM.