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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 John Darrington <>
;;; Copyright © 2014, 2015 Mark H Weaver <>
;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <>
;;; 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
;;; 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 <>.
(define-module (gnu packages ntp)
#:use-module (gnu packages)
#:use-module (gnu packages base)
#:use-module (gnu packages linux)
#:use-module (gnu packages pkg-config)
#:use-module (gnu packages openssl)
#:use-module ((guix licenses) #:prefix l:)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (guix download)
#:use-module (guix build-system gnu)
#:use-module (srfi srfi-1))
(define-public ntp
(name "ntp")
(version "4.2.8p2")
(source (origin
(method url-fetch)
(uri (string-append
(version-major+minor version)
"/ntp-" version ".tar.gz"))
(native-inputs `(("which" ,which)
("pkg-config" ,pkg-config)))
`(("openssl" ,openssl)
;; Build with POSIX capabilities support on GNU/Linux. This allows 'ntpd'
;; to run as non-root (when invoked with '-u'.)
,@(if (string-suffix? "-linux"
(or (%current-target-system) (%current-system)))
`(("libcap" ,libcap))
(build-system gnu-build-system)
(synopsis "Real time clock synchonization system")
(description "NTP is a system designed to synchronize the clocks of
computers over a network.")
(license (l:x11-style
"A non-copyleft free licence from the University of Delaware"))
(home-page "")))
(define-public openntpd
(name "openntpd")
(version "5.7p3")
(source (origin
(method url-fetch)
;; XXX Use mirror://openbsd
(uri (string-append
version ".tar.gz"))
(build-system gnu-build-system)
(home-page "")
(synopsis "NTP client and server by the OpenBSD Project")
(description "OpenNTPD is the OpenBSD Project's implementation of a client
and server for the Network Time Protocol. Its design goals include being
secure, easy to configure, and accurate enough for most purposes, so it's more
minimalist than ntpd.")
;; A few of the source files are under bsd-3.
(license (list l:isc l:bsd-3))))