gnu: Add xclock.

* gnu/packages/xorg.scm (xclock): New variable.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu/packages/xorg.scm

@@ -19,6 +19,7 @@
 ;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
 ;;; Copyright © 2018 Benjamin Slade <slade@jnanam.net>
 ;;; Copyright © 2019 nee <nee@cock.li>
+;;; Copyright © 2019 Yoshinori Arai <kumagusu08@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -5724,6 +5725,37 @@ (define-public libxaw3d
 Intrinsics (Xt) Library.")
     (license license:x11)))
 
+(define-public xclock
+  (package
+    (name "xclock")
+    (version "1.0.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://www.x.org/releases/individual/app/"
+                           name "-" version ".tar.bz2"))
+       (sha256
+        (base32 "1l3xv4bsca6bwxx73jyjz0blav86i7vwffkhdb1ac81y9slyrki3"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:configure-flags
+       (list (string-append "--with-appdefaultdir="
+                            %output ,%app-defaults-dir))))
+    (inputs
+     `(("libxmu" ,libxmu)
+       ("libx11" ,libx11)
+       ("libxaw" ,libxaw)
+       ("libxrender" ,libxrender)
+       ("libxft" ,libxft)
+       ("libxkbfile" ,libxkbfile)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (home-page "https://www.x.org/")
+    (synopsis "Analog / digital clock for X")
+    (description "The xclock program displays the time in analog or digital
+form.")
+    (license (license:x11-style "file://COPYING" "See COPYING for details."))))
+
 (define-public xmag
   (package
     (name "xmag")