Add the gnupg package and missing dependencies. Update versions of ex… (#4281)

* Add the gnupg package and missing dependencies. Update versions of existing dependencies.

* this ended up in the wrong repo

* put versions back, remove uneeded function

* OK ;)

* autopep8

* typo on npth line

* whitespace

var/spack/repos/builtin/packages/libassuan/package.py

@@ -0,0 +1,41 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program 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 terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Libassuan(AutotoolsPackage):
+    """Libassuan is a small library implementing the so-called Assuan
+       protocol."""
+
+    homepage = "https://gnupg.org/software/libassuan/index.html"
+    url = "https://gnupg.org/ftp/gcrypt/libassuan/libassuan-2.4.3.tar.bz2"
+
+    version('2.4.3', '8e01a7c72d3e5d154481230668e6eb5a')
+
+    depends_on('libgpg-error')
+
+    def configure_args(self):
+        args = ['--with-libgpp-error=%s' % self.spec['libgpg-error'].prefix]
+        return args