[PATCH] gnu: Add reducelcs.

[contact . ng0]

From: ng0 <address@hidden>

* gnu/packages/lcs.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add lcs.scm.
---
 gnu/local.mk         |  1 +
 gnu/packages/lcs.scm | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 gnu/packages/lcs.scm

diff --git a/gnu/local.mk b/gnu/local.mk
index 217d31712..0e915cb32 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -203,6 +203,7 @@ GNU_SYSTEM_MODULES =                                \
   %D%/packages/key-mon.scm                     \
   %D%/packages/kodi.scm                                \
   %D%/packages/language.scm                    \
+  %D%/packages/lcs.scm                          \
   %D%/packages/ldc.scm                         \
   %D%/packages/lego.scm                                \
   %D%/packages/less.scm                                \
diff --git a/gnu/packages/lcs.scm b/gnu/packages/lcs.scm
new file mode 100644
index 000000000..6b00098ae
--- /dev/null
+++ b/gnu/packages/lcs.scm
@@ -0,0 +1,67 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 ng0 <address@hidden>
+;;;
+;;; 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 lcs)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages maths)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system gnu))
+
+(define-public reducelcs
+  ;; This is the last commit which is available upstream, no
+  ;; tarball release happened since 2010.
+  (let ((commit "474f88deb968061abe8cf11c959e02319b8ae5c0")
+        (revision "1"))
+    (package
+      (name "reducelcs")
+      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/gdv/Reduce-Expand-for-LCS";)
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1rllzcfwc042c336mhq262a8ha90x6afq30kvk60r7i4761j4yjm"))))
+      (build-system gnu-build-system)
+      (inputs
+       `(("openlibm" ,openlibm)))
+      (arguments
+       `(#:tests? #f ; no tests
+         #:phases
+         (modify-phases %standard-phases
+           (delete 'configure) ; no configure script
+           (replace 'install ; no install phase either
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let* ((out (assoc-ref outputs "out"))
+                      (bin (string-append out "/bin")))
+                 (install-file "Approximation" bin)
+                 (install-file "CollectResults" bin)
+                 (install-file "GenerateInstances" bin)
+                 #t))))))
+      (synopsis "Approximate Longest Commons Subsequence computation tool")
+      (description
+       "@code{reduceLCS} is an implementation of the Reduce-Expand
+algorithm for LCS.  It is a fast program to compute the approximate
+Longest Commons Subsequence of a set of strings.")
+      (home-page "http://gianluca.dellavedova.org/software/";)
+      (license license:gpl2))))
-- 
2.11.0