gnu: Add Scribus.

* gnu/packages/scribus.scm: New file
* gnu/packages/patches/scribus-qobject.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES, dist_patch_DATA): Add them.

gnu-system.am

@@ -281,6 +281,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/scanner.scm			\
   gnu/packages/scheme.scm			\
   gnu/packages/screen.scm			\
+  gnu/packages/scribus.scm			\
   gnu/packages/sdl.scm				\
   gnu/packages/search.scm			\
   gnu/packages/serveez.scm			\
@@ -658,6 +659,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/sed-hurd-path-max.patch			\
   gnu/packages/patches/scheme48-tests.patch			\
   gnu/packages/patches/scotch-test-threading.patch		\
+  gnu/packages/patches/scribus-qobject.patch			\
   gnu/packages/patches/sdl-libx11-1.6.patch			\
   gnu/packages/patches/serf-comment-style-fix.patch		\
   gnu/packages/patches/serf-deflate-buckets-test-fix.patch	\

gnu/packages/patches/scribus-qobject.patch

@@ -0,0 +1,17 @@
+See upstream bug report: http://bugs.scribus.net/view.php?id=13102
+
+scribus/sclayer.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/scribus/sclayer.cpp b/scribus/sclayer.cpp
+index 502112b..4da7bd5 100644
+--- a/scribus/sclayer.cpp
++++ b/scribus/sclayer.cpp
+@@ -9,6 +9,7 @@ for which a new license (GPL+exception) is in place.
+ 
+ #include <QHash>   //necessary to avoid msvc warnings induced by SCRIBUS_API on ScLayers + early instanciation of templates
+ #include <QVector> //necessary to avoid msvc warnings induced by SCRIBUS_API on ScLayers + early instanciation of templates
++#include <QObject>
+ #include <QtAlgorithms>
+ 
+ ScLayer::ScLayer(void)

gnu/packages/scribus.scm

@@ -0,0 +1,79 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; 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
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; 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 <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages scribus)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix utils)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system cmake)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages cups)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages ghostscript)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages qt)
+  #:use-module (gnu packages imagemagick)
+  #:use-module (gnu packages xml))
+
+(define-public scribus
+  (package
+    (name "scribus")
+    (version "1.5.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/scribus/scribus-devel/"
+                                  version "/scribus-" version ".tar.xz"))
+              (sha256
+               (base32
+                "0s4f9q2nyqrrv4wc1ddf2admkmf9m33wmwp73ba5b4vi29nydnx3"))
+              (patches (list (search-patch "scribus-qobject.patch")))))
+    (build-system cmake-build-system)
+    (arguments `(#:tests? #f)) ; no test target
+    (inputs
+     `(("cairo" ,cairo)
+       ("cups" ,cups)
+       ("graphicsmagick" ,graphicsmagick)
+       ("lcms" ,lcms)
+       ("libjpeg" ,libjpeg)
+       ("libtiff" ,libtiff)
+       ("libxml2" ,libxml2)
+       ("python" ,python-2)
+       ("freetype" ,freetype)
+       ("qt" ,qt)
+       ("zlib" ,zlib)))
+    (native-inputs
+     `(("util-linux" ,util-linux)
+       ("pkg-config" ,pkg-config)))
+    (home-page "http://scribus.net")
+    (synopsis "Desktop publishing and page layout program")
+    (description
+     "Scribus is a @dfn{desktop publishing} (DTP) application and can be used
+for many tasks; from brochure design to newspapers, magazines, newsletters and
+posters to technical documentation.  Scribus supports professional DTP
+features, such as CMYK color and a color management system to soft proof
+images for high quality color printing, flexible PDF creation options,
+Encapsulated PostScript import/export and creation of four color separations,
+import of EPS/PS and SVG as native vector graphics, Unicode text including
+right to left scripts such as Arabic and Hebrew via freetype.")
+    (license license:gpl2+)))