gnu: Add elfutils.

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

gnu-system.am

@@ -55,6 +55,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/ddrescue.scm			\
   gnu/packages/dwm.scm				\
   gnu/packages/ed.scm				\
+  gnu/packages/elf.scm				\
   gnu/packages/emacs.scm			\
   gnu/packages/fdisk.scm			\
   gnu/packages/file.scm				\

gnu/packages/elf.scm

@@ -0,0 +1,53 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.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 elf)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module ((guix licenses) #:select (lgpl3+))
+  #:use-module (gnu packages m4)
+  #:use-module (gnu packages compression))
+
+(define-public elfutils
+  (package
+    (name "elfutils")
+    (version "0.157")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://fedorahosted.org/releases/e/l/elfutils/"
+                    version "/elfutils-" version ".tar.bz2"))
+              (sha256
+               (base32
+                "11ffbihw9zs2dhmlww9zilwvmv6v1pr6bvnz5dnzn0lxq70ckbag"))))
+    (build-system gnu-build-system)
+
+    ;; Separate programs because that's usually not what elfutils users want,
+    ;; and because they duplicate what Binutils provides.
+    (outputs '("out"                           ; libelf.so, elfutils/*.h, etc.
+               "bin"))                         ; ld, nm, objdump, etc.
+
+    (native-inputs `(("m4" ,m4)))
+    (inputs `(("zlib" ,zlib)))
+    (home-page "https://fedorahosted.org/elfutils/")
+    (synopsis #f)
+    (description #f)
+
+    ;; Libraries are dual-licensed LGPLv3.0+ | GPLv2, and programs are GPLv3+.
+    (license lgpl3+)))