distro: Change the module name space to (gnu ...).

* distro: Rename to...
* gnu: ... this.  Update module names accordingly.
* Makefile.am: Adjust accordingly.
* po/POTFILES.in: Likewise.
* distro.scm: Search for files under /gnu/packages instead of
  /distro/packages.
* gnu/packages/base.scm (ld-wrapper-boot3): Likewise.

gnu/packages/perl.scm

@@ -0,0 +1,73 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2012, 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 perl)
+  #:use-module (guix licenses)
+  #:use-module (distro)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix utils)
+  #:use-module (guix build-system gnu))
+
+(define-public perl
+  ;; Yeah, Perl...  It is required early in the bootstrap process by Linux.
+  (package
+    (name "perl")
+    (version "5.16.1")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "http://www.cpan.org/src/5.0/perl-"
+                                 version ".tar.gz"))
+             (sha256
+              (base32
+               "15qxzba3a50c9nik5ydgyfp62x7h9vxxn12yd1jgl93hb1wj96km"))))
+    (build-system gnu-build-system)
+    (arguments
+     (lambda (system)
+       `(#:tests? #f
+         #:patches (list (assoc-ref %build-inputs "patch/no-sys-dirs"))
+         #:phases
+         (alist-replace
+          'configure
+          (lambda* (#:key inputs outputs #:allow-other-keys)
+            (let ((out  (assoc-ref outputs "out"))
+                  (libc (assoc-ref inputs "libc")))
+              ;; Use the right path for `pwd'.
+              (substitute* "dist/Cwd/Cwd.pm"
+                (("/bin/pwd")
+                 (which "pwd")))
+
+              (zero?
+               (system* "./Configure"
+                        (string-append "-Dprefix=" out)
+                        (string-append "-Dman1dir=" out "/share/man/man1")
+                        (string-append "-Dman3dir=" out "/share/man/man3")
+                        "-de" "-Dcc=gcc"
+                        "-Uinstallusrbinperl"
+                        "-Dinstallstyle=lib/perl5"
+                        "-Duseshrplib"
+                        (string-append "-Dlocincpth=" libc "/include")
+                        (string-append "-Dloclibpth=" libc "/lib")))))
+          %standard-phases))))
+    (inputs `(("patch/no-sys-dirs" ,(search-patch "perl-no-sys-dirs.patch"))))
+    (synopsis "Implementation of the Perl programming language")
+    (description
+     "Perl 5 is a highly capable, feature-rich programming language with over
+24 years of development.")
+    (home-page "http://www.perl.org/")
+    (license gpl1+)))                          ; or "Artistic"