[PATCH] Add package definition for GNU XaoS

[Fabian Harfert <fhmgufs@web.de>]

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Hello,

this is my first contribution to this project.  I hope everything is
right with this package definition for GNU XaoS
(see https://www.gnu.org/software/xaos/).  It's a nice program to
discover fractals, so I decided to use it for my first packaging
attempt.

"guix-lint" worked fine and without error messages after I had
corrected some little things. Please let me know if something is wrong.

Fabian Harfert

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From 6c9d69a42e1a54951a2ba0f9cedf67bec67c739e Mon Sep 17 00:00:00 2001
From: Fabian Harfert <fhmgufs@web.de>
Date: Mon, 14 Dec 2015 21:53:58 +0100
Subject: [PATCH] gnu: Add XaoS.

* gnu/packages/xaos.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
---
 gnu-system.am         |  1 +
 gnu/packages/xaos.scm | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 gnu/packages/xaos.scm

diff --git a/gnu-system.am b/gnu-system.am
index 77a8b2e..1abce66 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -340,6 +340,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/wordnet.scm			\
   gnu/packages/wv.scm				\
   gnu/packages/wxwidgets.scm			\
+  gnu/packages/xaos.scm             \
   gnu/packages/xfig.scm				\
   gnu/packages/xiph.scm				\
   gnu/packages/xml.scm				\
diff --git a/gnu/packages/xaos.scm b/gnu/packages/xaos.scm
new file mode 100644
index 0000000..70183a2
--- /dev/null
+++ b/gnu/packages/xaos.scm
@@ -0,0 +1,57 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Fabian Harfert <fhmgufs@web.de>
+;;;
+;;; 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 xaos)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages maths))
+
+(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