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 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 Primer3(MakefilePackage):
      """Primer3 is a widely used program for designing PCR primers
         (PCR = "Polymerase Chain Reaction"). PCR is an essential and
         ubiquitous tool in genetics and molecular biology. Primer3
         can also design hybridization probes and sequencing primers."""
  
      homepage = "http://primer3.sourceforge.net/"
      url      = "https://sourceforge.net/projects/primer3/files/primer3/2.3.7/primer3-2.3.7.tar.gz/download"
  
      version('2.3.7', 'c6b89067bf465e62b6b1fd830b5b4418')
  
      build_directory = 'src'
  
      def install(self, spec, prefix):
          with working_dir(self.build_directory):
              mkdirp(prefix.bin)
              for binary in ('primer3_core', 'ntdpal', 'oligotm',
                             'long_seq_tm_test'):
                  install(binary, prefix.bin)
  
subject: Add package for primer3 (#4615)