gnu: Add kjumpingcube.

* gnu/packages/games.scm (kjumpingcube): New variable.

gnu/packages/games.scm

@@ -9444,3 +9444,42 @@ squares, the player with the most squares wins.
 
 This package is part of the KDE games module.")
     (license (list license:gpl2+ license:lgpl2.0+ license:fdl1.2+))))
+
+(define-public kjumpingcube
+  (package
+    (name "kjumpingcube")
+    (version "19.08.3")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://kde/stable/applications/" version
+                          "/src/kjumpingcube-" version ".tar.xz"))
+      (sha256
+       (base32 "0d67zqkf2xffjkj671gl2n6nj6jajyn6rgqqj5i6gm500mqi9rm1"))))
+    (properties `((tags . ("Desktop" "KDE" "Games"))))
+    (build-system qt-build-system)
+    (native-inputs
+     `(("extra-cmake-modules" ,extra-cmake-modules)
+       ("kdoctools" ,kdoctools)))
+    (inputs
+     `(("kconfig" ,kconfig)
+       ("kconfigwidgets" ,kconfigwidgets)
+       ("kcoreaddons" ,kcoreaddons)
+       ("kcrash" ,kcrash)
+       ("kdbusaddons" ,kdbusaddons)
+       ("ki18n" ,ki18n)
+       ("kio" ,kio)
+       ("kwidgetsaddons" ,kwidgetsaddons)
+       ("kxmlgui" ,kxmlgui)
+       ("libkdegames" ,libkdegames)
+       ("qtbase" ,qtbase)
+       ("qtdeclarative" ,qtdeclarative)
+       ("qtsvg" ,qtsvg)))
+    (home-page "https://games.kde.org/")
+    (synopsis "Simple tactical game for number-crunchers")
+    (description "KJumpingcube is a simple tactical game for one or two
+players, played on a grid of numbered squares.  Each turn, players compete for
+control of the board by capturing or adding to one square.
+
+This package is part of the KDE games module.")
+    (license (list license:gpl2+ license:fdl1.2+))))