From bbd4a72d89762f93816cfe4ed917c55ffe19bac8 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
Date: Thu, 28 May 2015 15:53:14 +0200
Subject: [PATCH] gnu: Add libsvm.

* gnu/packages/machine-learning.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
---
 gnu-system.am                     |  1 +
 gnu/packages/machine-learning.scm | 72 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 gnu/packages/machine-learning.scm

diff --git a/gnu-system.am b/gnu-system.am
index 43ced12..c699da8 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -196,6 +196,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/lxqt.scm				\
   gnu/packages/lynx.scm				\
   gnu/packages/m4.scm				\
+  gnu/packages/machine-learning.scm		\
   gnu/packages/man.scm				\
   gnu/packages/mail.scm				\
   gnu/packages/make-bootstrap.scm		\
diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
new file mode 100644
index 0000000..e368fc5
--- /dev/null
+++ b/gnu/packages/machine-learning.scm
@@ -0,0 +1,72 @@
+;;; 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 machine-learning)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages))
+
+(define-public libsvm
+  (package
+    (name "libsvm")
+    (version "3.20")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/cjlin1/libsvm/archive/v"
+             (string-join (string-split version #\.) "") ".tar.gz"))
+       (sha256
+        (base32
+         "1jpjlql3frjza7zxzrqqr2firh44fjb8fqsdmvz6bjz7sb47zgp4"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f ;no "check" target
+       #:phases (modify-phases %standard-phases
+                  (delete 'configure)
+                  (add-after
+                   'build 'build-library
+                   (lambda _
+                     (zero? (system* "make" "lib"))))
+                  (replace
+                   'install
+                   (lambda* (#:key outputs #:allow-other-keys)
+                     (let* ((out (assoc-ref outputs "out"))
+                            (bin (string-append out "/bin/"))
+                            (lib (string-append out "/lib/")))
+                       (mkdir-p lib)
+                       (mkdir bin)
+                       (for-each (lambda (file)
+                                   (copy-file file (string-append bin file)))
+                                 '("svm-train"
+                                   "svm-predict"
+                                   "svm-scale"))
+                       (copy-file "libsvm.so.2"
+                                  (string-append lib "libsvm.so.2")))
+                     #t)))))
+    (home-page "http://www.csie.ntu.edu.tw/~cjlin/libsvm/")
+    (synopsis "Library for Support Vector Machines")
+    (description
+     "LIBSVM is an integrated software for support vector
+classification, (C-SVC, nu-SVC), regression (epsilon-SVR, nu-SVR) and
+distribution estimation (one-class SVM).  It supports multi-class
+classification.")
+    (license license:bsd-3)))
-- 
2.1.0