gnu: Add libgrss.

* gnu/packages/gnome.scm (libgrss): New variable.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

gnu/packages/gnome.scm

@@ -264,6 +264,53 @@ (define-public brasero
 features to enable users to create their discs easily and quickly.")
     (license license:gpl2+)))
 
+(define-public libgrss
+  (package
+    (name "libgrss")
+    (version "0.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri
+        (string-append "mirror://gnome/sources/" name "/"
+                       (version-major+minor version) "/"
+                       name "-" version ".tar.xz"))
+       (sha256
+        (base32 "1nalslgyglvhpva3px06fj6lv5zgfg0qmj0sbxyyl5d963vc02b7"))))
+    (build-system glib-or-gtk-build-system)
+    (outputs '("out" "doc"))
+    (arguments
+     `(#:configure-flags
+       (list
+        "--enable-gtk-doc"
+        (string-append "--with-html-dir="
+                       (assoc-ref %outputs "doc")
+                       "/share/gtk-doc/html"))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'patch-docbook-xml
+           (lambda* (#:key inputs #:allow-other-keys)
+             (with-directory-excursion "doc/reference"
+               (substitute* "libgrss-docs.sgml"
+                 (("http://www.oasis-open.org/docbook/xml/4.1.2/")
+                  (string-append (assoc-ref inputs "docbook-xml")
+                                 "/xml/dtd/docbook/"))))
+             #t)))))
+    (native-inputs
+     `(("docbook-xml" ,docbook-xml-4.1.2)
+       ("gobject-introspection" ,gobject-introspection)
+       ("gtk-doc" ,gtk-doc)
+       ("pkg-config" ,pkg-config)))
+    (propagated-inputs
+     `(("glib" ,glib)
+       ("libsoup" ,libsoup)
+       ("libxml2" ,libxml2)))
+    (synopsis "Glib library for feeds")
+    (description "LibGRSS is a Glib abstaction to handle feeds in RSS, Atom and
+other formats.")
+    (home-page "https://wiki.gnome.org/Projects/Libgrss")
+    (license license:lgpl3+)))
+
 (define-public gnome-js-common
   (package
     (name "gnome-js-common")