gnu: Add GNU APL.

* gnu/packages/apl.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -25,6 +25,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/acct.scm				\
   gnu/packages/acl.scm				\
   gnu/packages/algebra.scm			\
+  gnu/packages/apl.scm				\
   gnu/packages/apr.scm				\
   gnu/packages/aspell.scm			\
   gnu/packages/attr.scm				\

gnu/packages/apl.scm

@@ -0,0 +1,50 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
+;;;
+;;; 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 apl)
+  #:use-module (guix licenses)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module ((gnu packages gettext)
+                #:renamer (symbol-prefix-proc 'guix:))
+  #:use-module (gnu packages maths)
+  #:use-module (gnu packages readline))
+
+(define-public apl
+  (package
+    (name "apl")
+    (version "1.1")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://gnu/apl/apl-" version ".tar.gz"))
+      (sha256
+       (base32
+        "1myinxa0m3y4fanpxflfakfk3m1s8641wdlbwbs0vg5yp10xm0m3"))))
+    (build-system gnu-build-system)
+    (home-page "http://www.gnu.org/software/apl/")
+    (inputs
+     `(("gettext" ,guix:gettext)
+       ("lapack" ,lapack)
+       ("readline" ,readline)))
+    (synopsis "APL interpreter")
+    (description
+     "GNU APL is a free interpreter for the programming language APL.  It is
+an implementation of the ISO standard 13751.")
+    (license gpl3+)))