Marius Bakke <mbakke@fastmail.com> writes:

> * gnu/packages/dns.scm (dnscrypt-wrapper): New variable.
> ---
>  gnu/packages/dns.scm | 42 ++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
>
> diff --git a/gnu/packages/dns.scm b/gnu/packages/dns.scm
> index b49a0b7..0c8c547 100644
> --- a/gnu/packages/dns.scm
> +++ b/gnu/packages/dns.scm
> @@ -6,6 +6,7 @@
>  ;;; Copyright © 2016 John Darrington <jmd@gnu.org>
>  ;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
>  ;;; Copyright © 2016 Tobias Geerinckx-Rice <me@tobias.gr>
> +;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -26,7 +27,9 @@
>    #:use-module (gnu packages autotools)
>    #:use-module (gnu packages base)
>    #:use-module (gnu packages databases)
> +  #:use-module (gnu packages crypto)
>    #:use-module (gnu packages groff)
> +  #:use-module (gnu packages libevent)
>    #:use-module (gnu packages linux)
>    #:use-module (gnu packages perl)
>    #:use-module (gnu packages pkg-config)
> @@ -134,6 +137,45 @@ high-volume and high-reliability applications. The name BIND stands for
>      (home-page "https://www.isc.org/downloads/bind")
>      (license (list license:isc))))
>  
> +(define-public dnscrypt-wrapper
> +  (package
> +    (name "dnscrypt-wrapper")
> +    (version "0.2.2")
> +    (source (origin
> +              (method url-fetch)
> +              (uri (string-append
> +                    "https://github.com/cofyc/dnscrypt-wrapper/releases"
> +                    "/download/v" version "/" name "-v" version ".tar.bz2"))
> +              (sha256
> +               (base32
> +                "1vhg4g0r687f51wcdn7z9w1hxapazx6vyh5rsr8wa48sljzd583g"))))
> +    (build-system gnu-build-system)
> +    (arguments
> +     `(#:make-flags '("CC=gcc")
> +       ;; TODO: Tests require ruby-cucumber and ruby-aruba.
> +       #:tests? #f
> +       #:phases
> +       (modify-phases %standard-phases
> +         (add-before 'configure 'create-configure
> +           (lambda _
> +             (zero? (system* "make" "configure")))))))
> +    (native-inputs
> +     `(("autoconf" ,autoconf)))
> +    (inputs
> +     `(("libevent" ,libevent)
> +       ("libsodium" ,libsodium)))
> +    (home-page "https://github.com/Cofyc/dnscrypt-wrapper")
> +    (synopsis "Server-side dnscrypt proxy")
> +    (description
> +     "Dnscrypt-wrapper can turn any DNS resolver into a @code{dnscrypt}
> +compliant name server.")
> +    (license (list license:isc
> +                   ;; Bundled argparse is MIT. TODO: package and unbundle.
> +                   license:expat
> +                   ;; dns-protocol.h and rfc1035.{c,h} is gpl2 or gpl3 (either).
> +                   license:gpl2
> +                   license:gpl3))))
> +
>  (define-public libasr
>    (package
>      (name "libasr")

I'm not sure how to test the functionality of the software, but the
patch itself LGTM.