gnu: Add busybox.

* gnu/packages/busybox.scm: New file.
* gnu-system.am: Add gnu/packages/busybox.scm.

gnu-system.am

@@ -45,6 +45,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/bison.scm			\
   gnu/packages/boost.scm			\
   gnu/packages/bootstrap.scm			\
+  gnu/packages/busybox.scm			\
   gnu/packages/calcurse.scm			\
   gnu/packages/ccache.scm			\
   gnu/packages/cdrom.scm			\

gnu/packages/busybox.scm

@@ -0,0 +1,105 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 John Darrington  <jmd@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 busybox)
+  #:use-module (guix licenses)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages zip))
+
+(define-public busybox
+  (package
+    (name "busybox")
+    (version "1.22.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://www.busybox.net/downloads/" name "-"
+                    version ".tar.bz2"))
+              (sha256
+               (base32
+                "12v7nri79v8gns3inmz4k24q7pcnwi00hybs0wddfkcy1afh42xf"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:phases 
+       (alist-replace
+        'configure 
+        (lambda _ (zero? (system* "make" "defconfig")))
+        (alist-replace
+         'check 
+         (lambda _
+           (substitute* '("testsuite/du/du-s-works"
+                          "testsuite/du/du-works")
+             (("/bin") "/etc"))  ; there is no /bin but there is a /etc
+
+           ;; There is no /usr/bin or /bin - replace it with /gnu/store
+           (substitute* "testsuite/cpio.tests"
+              (("/usr/bin") "/gnu/store")
+              (("usr") "gnu"))
+
+           (substitute* "testsuite/date/date-works-1"
+             (("/bin/date") (which "date")))
+
+           ;; The pidof tests assume that pid 1 is called "init" but that is not
+           ;; true in guix build environment
+           (substitute* "testsuite/pidof.tests"
+             (("-s init") "-s $(cat /proc/1/comm)"))
+
+           (substitute* "testsuite/grep.tests"
+             ;; The subject of this test is buggy.  It is known by upstream (fixed in git)
+             ;; So mark it with SKIP_KNOWN_BUGS like the others.
+             ;; Presumably it wasn't known at the time of release ...
+             ;; (It is strange that they release software which they know to have bugs)
+             (("testing \"grep -w \\^str doesn't match str not at the beginning\"") 
+              "test x\"$SKIP_KNOWN_BUGS\" = x\"\" && testing \"grep -w ^str doesn't match str not at the beginning\""))
+
+           ;; This test cannot possibly pass.
+           ;; It is trying to test that "which ls" returns "/bin/ls" when PATH is not set.
+           ;; However, this relies on /bin/ls existing.  Which it does not in guix.
+           (delete-file "testsuite/which/which-uses-default-path")
+           (rmdir "testsuite/which")
+
+           (zero? (system* "make" 
+                           ;; "V=1"
+                           "SKIP_KNOWN_BUGS=1"
+                           "SKIP_INTERNET_TESTS=1"
+                           "check")))
+         (alist-replace
+          'install
+          (lambda* (#:key outputs #:allow-other-keys)
+            (let ((out (assoc-ref outputs "out")))
+              (zero?
+               (system* "make"
+                        (string-append "CONFIG_PREFIX=" out)
+                        "install"))))
+          %standard-phases)))))
+    (native-inputs `(("perl" ,perl) ; needed to generate the man pages (pod2man)
+                     ;; The following are needed by the tests.
+                     ("inetutils" ,inetutils)
+                     ("zip" ,zip)))
+    (synopsis "Many common UNIX utilities in a single executable")
+    (description "BusyBox combines tiny versions of many common UNIX utilities
+into a single small executable.  It provides a fairly complete
+environment for any small or embedded system.")
+    (home-page "http://www.busybox.net")
+    ;; Some files are gplv2+
+    (license gpl2)))