gnu: Add Robocut.

* gnu/packages/printers.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

gnu/local.mk

@@ -344,6 +344,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/plotutils.scm			\
   %D%/packages/polkit.scm			\
   %D%/packages/popt.scm				\
+  %D%/packages/printers.scm			\
   %D%/packages/profiling.scm			\
   %D%/packages/pth.scm				\
   %D%/packages/pulseaudio.scm			\

gnu/packages/printers.scm

@@ -0,0 +1,69 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; 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 printers)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages libusb)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages qt))
+
+;; This is a module for packages related to printer-like devices, but not
+;; related to CUPS.
+
+(define-public robocut
+  (package
+    (name "robocut")
+    (version "1.0.11")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/Timmmm/robocut/archive/v"
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "0nmr1plq1f6sarxwqwy4vzbxkljlx8y4xalm7r05vx4lrdai5pad"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:phases (modify-phases %standard-phases
+                  (replace 'configure
+                    (lambda* (#:key outputs #:allow-other-keys)
+                      (let ((out (assoc-ref outputs "out")))
+                        (substitute* "Robocut.pro"
+                          (("/usr/")
+                           (string-append out "/")))
+
+                        (invoke "qmake"
+                                (string-append "PREFIX=" out))
+                        #t))))))
+    (inputs
+     `(("libusb" ,libusb)
+       ("qt" ,qtbase)
+       ("qtsvg" ,qtsvg)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("qmake" ,qttools)))
+    (synopsis "Graphical program to drive plotting cutters")
+    (description
+     "Robocut is a simple graphical program that allows you to cut graphics
+with Graphtec and Sihouette plotting cutters using an SVG file as its input.")
+    (home-page "http://robocut.org")
+    (license license:gpl3+)))