old_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 *
  import shutil
  
  
  class Libiconv(AutotoolsPackage):
      """GNU libiconv provides an implementation of the iconv() function
      and the iconv program for character set conversion."""
  
      homepage = "https://www.gnu.org/software/libiconv/"
      url      = "http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz"
  
      version('1.14', 'e34509b1623cec449dfeb73d7ce9c6c6')
  
      # We cannot set up a warning for gets(), since gets() is not part
      # of C11 any more and thus might not exist.
      patch("gets.patch")
  
      def configure_args(self):
          args = ['--enable-extra-encodings']
  
          # A hack to patch config.guess in the libcharset sub directory
          shutil.copyfile('./build-aux/config.guess',
                          'libcharset/build-aux/config.guess')
          return args
  
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 *
  import shutil
  
  
  class Libiconv(AutotoolsPackage):
      """GNU libiconv provides an implementation of the iconv() function
      and the iconv program for character set conversion."""
  
      homepage = "https://www.gnu.org/software/libiconv/"
      url      = "http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.15.tar.gz"
  
      version('1.15', 'ace8b5f2db42f7b3b3057585e80d9808')
      version('1.14', 'e34509b1623cec449dfeb73d7ce9c6c6')
  
      # We cannot set up a warning for gets(), since gets() is not part
      # of C11 any more and thus might not exist.
      patch('gets.patch', when='@1.14')
  
      def configure_args(self):
          args = ['--enable-extra-encodings']
  
          # A hack to patch config.guess in the libcharset sub directory
          shutil.copyfile('./build-aux/config.guess',
                          'libcharset/build-aux/config.guess')
          return args
  
subject: Add latest version of libiconv (#3451)