gnu: Add gnu-efi.

* gnu/packages/efi.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

gnu/local.mk

@@ -152,6 +152,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/ebook.scm			\
   %D%/packages/ed.scm				\
   %D%/packages/education.scm			\
+  %D%/packages/efi.scm				\
   %D%/packages/electronics.scm			\
   %D%/packages/elf.scm				\
   %D%/packages/elixir.scm			\

gnu/packages/efi.scm

@@ -0,0 +1,52 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Danny Milosavljevic <dannym@scratchpost.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 efi)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix download)
+  #:use-module (guix packages)
+  #:use-module (guix utils))
+
+(define-public gnu-efi
+  (package
+    (name "gnu-efi")
+    (version "3.0.9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://sourceforge/gnu-efi/"
+                           name "-" version ".tar.bz2"))
+       (sha256
+        (base32
+         "1w3p4aqlc5j93q44la7dc8cr3hky20zvsd0h0k2lyzhwmrzfl5b7"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f ; None exist.
+       #:make-flags
+       (list (string-append "PREFIX=" (assoc-ref %outputs "out")))
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure))))
+    (synopsis "EFI toolchain")
+    (description "This package provides an EFI (Extensible Firmware
+Interface) toolchain for building programs that can run in the
+environment presented by Intel's EFI.")
+    (home-page "https://directory.fsf.org/wiki/GNU_EFI")
+    ;; Distribution is allowed only when accepting all those licenses.
+    (license (list license:bsd-2 license:bsd-3 license:bsd-4 license:expat))))