gnu: Add knewstuff.

* gnu/packages/kde-frameworks.scm (knewstuff): New variable.

gnu/packages/kde-frameworks.scm

@@ -2131,3 +2131,58 @@ also be used to bridge a native protocol to a file-based interface.  This makes
 the data accessible in all applications using the KDE file dialog or any other
 KIO enabled infrastructure.")
     (license license:lgpl2.1+)))
+
+(define-public knewstuff
+  (package
+    (name "knewstuff")
+    (version "5.24.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://kde/stable/frameworks/"
+                           (version-major+minor version) "/"
+                           name "-" version ".tar.xz"))
+       (sha256
+        (base32
+         "0xdv3wh3100vzsx8p2zihy1dvh0wzfmrjkjq71v8igwz5d291zsj"))))
+    (build-system cmake-build-system)
+    (propagated-inputs
+     `(("attica" ,attica)
+       ("kservice" ,kservice)
+       ("kxmlgui" ,kxmlgui)))
+    (native-inputs
+     `(("extra-cmake-modules" ,extra-cmake-modules)))
+    (inputs
+     `(("karchive" ,karchive)
+       ("kauth" ,kauth)
+       ("kbookmarks" ,kbookmarks)
+       ("kcodecs" ,kcodecs)
+       ("kcompletion" ,kcompletion)
+       ("kconfig" ,kconfig)
+       ("kconfigwidgets" ,kconfigwidgets)
+       ("kcoreaddons" ,kcoreaddons)
+       ("kio" ,kio)
+       ("kitemviews" ,kitemviews)
+       ("ki18n" ,ki18n)
+       ("kiconthemes" ,kiconthemes)
+       ("kjobwidgets" ,kjobwidgets)
+       ("ktextwidgets" ,ktextwidgets)
+       ("kwidgetsaddons" ,kwidgetsaddons)
+       ("qtbase" ,qtbase)
+       ("solid" ,solid)
+       ("sonnet" ,sonnet)))
+    (arguments
+     `(#:tests? #f ; FIXME: 1/3 tests fail.
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'check 'check-setup
+           (lambda _ ; XDG_DATA_DIRS isn't set
+             (setenv "HOME" (getcwd))
+             (setenv "CTEST_OUTPUT_ON_FAILURE" "1")
+             (setenv "QT_QPA_PLATFORM" "offscreen"))))))
+    (home-page "https://community.kde.org/Frameworks")
+    (synopsis "Framework for downloading and sharing additional application data")
+    (description "The KNewStuff library implements collaborative data sharing
+for applications.  It uses libattica to support the Open Collaboration Services
+specification.")
+    (license license:lgpl2.1+)))