gnu: Add pcb2gcode.

* gnu/packages/engineering.scm (pcb2gcode): New variable.

gnu/packages/engineering.scm

@@ -9,7 +9,7 @@
 ;;; Copyright © 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2018, 2019 Jonathan Brielmaier <jonathan.brielmaier@web.de>
-;;; Copyright © 2018, 2019 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2018, 2019, 2020 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2019 Tim Stahel <swedneck@swedneck.xyz>
 ;;; Copyright © 2019 Jovany Leandro G.C <bit4bit@riseup.net>
 ;;; Copyright © 2019 Steve Sprang <scs@stevesprang.com>
@@ -74,6 +74,7 @@
   #:use-module (gnu packages freedesktop)
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages gd)
+  #:use-module (gnu packages geo)
   #:use-module (gnu packages gettext)
   #:use-module (gnu packages ghostscript)
   #:use-module (gnu packages gl)
@@ -2836,3 +2837,39 @@ GUI.")
   provides a full-fledged procedural, interactive programming language designed
   to describe data structures and to operate on them.")
       (license license:gpl3+))))
+
+(define-public pcb2gcode
+    (package
+     (name "pcb2gcode")
+     (version "2.1.0")
+     (source
+      (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/pcb2gcode/pcb2gcode")
+             (commit (string-append "v" version))
+             (recursive? #t)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0nzglcyh6ban27cc73j4l7w7r9k38qivq0jz8iwnci02pfalw4ry"))))
+     (build-system gnu-build-system)
+     (inputs
+      `(("boost" ,boost)
+        ("geos" ,geos)
+        ("gerbv" ,gerbv)
+        ("glibmm" ,glibmm)
+        ("gtkmm" ,gtkmm-2)
+        ("librsvg" ,librsvg)))
+     (native-inputs
+      `(("autoconf" ,autoconf)
+        ("automake" ,automake)
+        ("libtool" ,libtool)
+        ("pkg-config" ,pkg-config)))
+     (home-page "https://github.com/pcb2gcode/pcb2gcode")
+     (synopsis "Generate G-code for milling PCBs")
+     (description "pcb2gcode is a command-line program for isolation routing
+and drilling of PCBs.  It takes Gerber files as input and outputs G-code files
+for the milling of PCBs.  It also includes an autoleveller for the automatic
+dynamic calibration of the milling depth.")
+     (license license:gpl3+)))