gnu: Add autogen package

* gnu/package/autogen.scm: New file
* gnu-system.am: Add it

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu-system.am

@@ -28,6 +28,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/apr.scm				\
   gnu/packages/aspell.scm			\
   gnu/packages/attr.scm				\
+  gnu/packages/autogen.scm			\
   gnu/packages/autotools.scm			\
   gnu/packages/avahi.scm			\
   gnu/packages/base.scm				\

gnu/packages/autogen.scm

@@ -0,0 +1,63 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Eric Bavier <bavier@member.fsf.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 autogen)
+  #:use-module (guix packages)
+  #:use-module (guix licenses)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages which)
+  #:use-module (gnu packages guile))
+
+(define-public autogen
+  (package
+    (name "autogen")
+    (version "5.18.1")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://gnu/autogen/rel"
+                          version "/autogen-"
+                          version ".tar.gz"))
+      (sha256
+       (base32
+        "0k0gkr5inr9wb3ws30q6bbiqg3qm3ryvl9cznym2xis4lm216d53"))))
+    (build-system gnu-build-system)
+    (inputs `(("which" ,which)
+              ("guile" ,guile-2.0)))
+    (arguments
+     '(#:phases (alist-cons-before
+                 'patch-source-shebangs 'patch-test-scripts
+                 (lambda _
+                   (let ((sh (which "sh")))
+                     (substitute*
+                         (append (find-files "agen5/test" "\\.test$")
+                                 (find-files "autoopts/test" "\\.(test|in)$"))
+                       (("/bin/sh") sh)
+                       (("/usr/bin/tr") "tr"))))
+                 %standard-phases)))
+    (home-page "http://www.gnu.org/software/autogen/")
+    (synopsis "Automated program generator")
+    (description
+     "AutoGen is a program to ease the maintenance of programs that contain
+large amounts of repetitive text.  It automates the construction of these
+sections of the code, simplifying the task of keeping the text in sync.  It
+also includes an add-on package called AutoOpts, which is specialized for the
+maintenance and documentation of program options.")
+    (license gpl3+)))