>> I tried building this, I noticed that the installed binaries (svm-train,
>> svm-predict, and scm-scale) don't reference libsvm.so.2. In the build
>> output, I see no header files and no libsvm.so symlink, so I don't see
>> how this library could be used.
>
> It seems that this library is in fact only used by the Python module
> which is built from the "python" subdir and for which I have prepared
> another package. I'll remove the library building phase from this
> package and move it to the recipe for "python-libsvm".
>
> My apologies for the confusion! I'll send an updated patch soon.
Attached are two patches for libsvm and python-libsvm (only available
for Python 3), taking the comments into consideration.
>From 6a17d83d4bc2512f8089477e70c485e9ca93377a Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <ricardo.wur...@mdc-berlin.de>
Date: Thu, 28 May 2015 15:53:14 +0200
Subject: [PATCH 1/2] 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 | 65 +++++++++++++++++++++++++++++++++++++++
2 files changed, 66 insertions(+)
create mode 100644 gnu/packages/machine-learning.scm
diff --git a/gnu-system.am b/gnu-system.am
index 2cd4c62..c714062 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..c1a33de
--- /dev/null
+++ b/gnu/packages/machine-learning.scm
@@ -0,0 +1,65 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Ricardo Wurmus <rek...@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-delete #\. version) ".tar.gz"))
+ (file-name (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32
+ "1jpjlql3frjza7zxzrqqr2firh44fjb8fqsdmvz6bjz7sb47zgp4"))))
+ (build-system gnu-build-system)
+ (arguments
+ `(#:tests? #f ;no "check" target
+ #:phases (modify-phases %standard-phases
+ (delete 'configure)
+ (replace
+ 'install
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (bin (string-append out "/bin/")))
+ (mkdir-p bin)
+ (for-each (lambda (file)
+ (copy-file file (string-append bin file)))
+ '("svm-train"
+ "svm-predict"
+ "svm-scale")))
+ #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
>From 1103750f0c38c48f69f040b6a2e701f511907e26 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <ricardo.wur...@mdc-berlin.de>
Date: Tue, 2 Jun 2015 15:10:37 +0200
Subject: [PATCH 2/2] gnu: Add python-libsvm.
* gnu/packages/machine-learning.scm (python-libsvm): New variable.
---
gnu/packages/machine-learning.scm | 34 +++++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
index c1a33de..3b4af19 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -22,7 +22,8 @@
#:use-module (guix utils)
#:use-module (guix download)
#:use-module (guix build-system gnu)
- #:use-module (gnu packages))
+ #:use-module (gnu packages)
+ #:use-module (gnu packages python))
(define-public libsvm
(package
@@ -63,3 +64,34 @@ 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)))
+
+(define-public python-libsvm
+ (package (inherit libsvm)
+ (name "python-libsvm")
+ (build-system gnu-build-system)
+ (arguments
+ `(#:tests? #f ;no "check" target
+ #:make-flags '("-C" "python")
+ #:phases
+ (modify-phases %standard-phases
+ (delete 'configure)
+ (replace
+ 'install
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (let ((site (string-append (assoc-ref outputs "out")
+ "/lib/python"
+ (string-take
+ (string-take-right
+ (assoc-ref inputs "python") 5) 3)
+ "/site-packages/")))
+ (substitute* "python/svm.py"
+ (("../libsvm.so.2") "libsvm.so.2"))
+ (mkdir-p site)
+ (for-each (lambda (file)
+ (copy-file file (string-append site (basename file))))
+ (find-files "python" "\\.py"))
+ (copy-file "libsvm.so.2"
+ (string-append site "libsvm.so.2")))
+ #t)))))
+ (inputs
+ `(("python" ,python)))))
--
2.1.0
