new_contents: ###############################################################################
  # 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 Mono(AutotoolsPackage):
      """Mono is a software platform designed to allow developers to easily
         create cross platform applications. It is an open source
         implementation of Microsoft's .NET Framework based on the ECMA
         standards for C# and the Common Language Runtime.
      """
  
      homepage = "http://www.mono-project.com/"
      url      = "https://download.mono-project.com/sources/mono/mono-5.0.1.1.tar.bz2"
  
      # /usr/share/.mono/keypairs needs to exist or be able to be
      # created, e.g. https://github.com/gentoo/dotnet/issues/6
      variant('patch-folder-path', default=False,
              description='Point SpecialFolder.CommonApplicationData folder '
              'into Spack installation instead of /usr/share')
  
      # Spack's openssl interacts badly with mono's vendored
      # "boringssl", don't drag it in w/ cmake
      depends_on('cmake~openssl', type=('build'))
      depends_on('libiconv')
      depends_on('perl', type=('build'))
  
      version('5.0.1.1', '17692c7a797f95ee6f9a0987fda3d486')
      version('4.8.0.524', 'baeed5b8139a85ad7e291d402a4bcccb')
  
      def patch(self):
          if '+patch-folder-path' in self.spec:
              before = 'return "/usr/share";'
              after = 'return "{0}";'.format(self.prefix.share)
              f = 'mcs/class/corlib/System/Environment.cs'
              kwargs = {'ignore_absent': False, 'backup': True, 'string': True}
              filter_file(before, after, f, **kwargs)
  
      def configure_args(self):
          args = []
          li = self.spec['libiconv'].prefix
          args.append('--with-libiconv-prefix={p}'.format(p=li))
          return args
  
subject: Package for mono (#4435)