libnl: new package (#7833)

* libnl: new package

* libnl: change platform constraint to a conflict

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

@@ -0,0 +1,42 @@
+##############################################################################
+# Copyright (c) 2013-2018, 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/spack/spack
+# Please also see the NOTICE and LICENSE files 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 Libnl(AutotoolsPackage):
+    """libnl - Netlink Protocol Library Suite"""
+
+    homepage = "https://www.infradead.org/~tgr/libnl/"
+    url      = "https://github.com/thom311/libnl/releases/download/libnl3_3_0/libnl-3.3.0.tar.gz"
+
+    version('3.3.0', 'ab3ef137cad95bdda5ff0ffa5175dfa5')
+    version('3.2.25', '03f74d0cd5037cadc8cdfa313bbd195c')
+
+    depends_on('bison', type='build')
+    depends_on('flex', type='build')
+    depends_on('m4', type='build')
+
+    conflicts('platform=darwin', msg='libnl requires FreeBSD or Linux')