Various updates to wget and dependencies (#4116)

* Various updates to wget and dependencies

* Add newer version of gnutls

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

@@ -0,0 +1,57 @@
+##############################################################################
+# 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 Libpsl(AutotoolsPackage):
+    """libpsl - C library to handle the Public Suffix List."""
+
+    homepage = "https://github.com/rockdaboot/libpsl"
+    url      = "https://github.com/rockdaboot/libpsl/releases/download/libpsl-0.17.0/libpsl-0.17.0.tar.gz"
+
+    version('0.17.0', 'fed13f33d0d6dc13ef24de255630bfcb')
+
+    depends_on('icu4c')
+
+    depends_on('gettext', type='build')
+    depends_on('pkg-config@0.9.0:', type='build')
+    depends_on('python@2.7:', type='build')
+
+    # TODO: Add a 'test' deptype
+    # depends_on('valgrind', type='test')
+
+    def configure_args(self):
+        spec = self.spec
+
+        args = [
+            'PYTHON={0}'.format(spec['python'].command.path),
+        ]
+
+        if self.run_tests:
+            args.append('--enable-valgrind-tests')
+        else:
+            args.append('--disable-valgrind-tests')
+
+        return args