[PATCH] Add package definition for GNU XaoS.

[Fabian Harfert <fhmgufs@web.de>]

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Hello,

here's the new patch for GNU XaoS, I added it to maths.scm, fixed the
("gettext" ,gnu-gettext) thing but didn't add gpl3+ to the licenses
because I couldn't find any file with it.

Fabian Harfert

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From 7c3a50c184745dcf2fb0b81ad30a629739ddf8d0 Mon Sep 17 00:00:00 2001
From: Fabian Harfert <fhmgufs@web.de>
Date: Tue, 15 Dec 2015 20:43:55 +0100
Subject: [PATCH] Add package definition for GNU XaoS.

* gnu/packages/maths.scm (xaos): Add package definition for GNU XaoS.
---
 gnu/packages/maths.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 0c0f013..a288291 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -53,6 +53,7 @@
   #:use-module (gnu packages ghostscript)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages gtk)
+  #:use-module (gnu packages image)
   #:use-module (gnu packages less)
   #:use-module (gnu packages lisp)
   #:use-module (gnu packages gnome)
@@ -1991,3 +1992,32 @@ variables, a command history, hex/octal/binary input and output, unit
 conversions, embedded comments, and an expandable expression entry field.  It
 evaluates expressions using the standard order of operations.")
     (license license:gpl2+)))
+
+(define-public xaos
+  (package
+    (name "xaos")
+    (version "3.6")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/xaos/xaos-" version
+                                  ".tar.gz"))
+              (sha256
+                (base32
+                  "15cd1cx1dyygw6g2nhjqq3bsfdj8sj8m4va9n75i0f3ryww3x7wq"))))
+    (build-system gnu-build-system)
+    (native-inputs `(("gettext" ,gnu-gettext)))
+    (inputs `(("libx11" ,libx11)
+              ("zlib" ,zlib)
+              ("libpng" ,libpng)
+              ("gsl" ,gsl)))
+    (arguments
+     `(#:tests? #f ;no "check" target
+       #:make-flags '("LOCALEDIR=$DATAROOTDIR/locale")))
+    (synopsis "Real-time fractal zoomer")
+    (description "GNU XaoS is a graphical program that generates fractal
+patterns and allows you to zoom in and out of them infinitely in a fluid,
+continuous manner.  It also includes tutorials that help to explain how fractals
+are built.  It can generate many different fractal types such as the Mandelbrot
+set.")
+    (home-page "http://www.gnu.org/software/xaos/")
+    (license license:gpl2+)))
-- 
2.1.4