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 *
  
  class Postgresql(Package):
      """PostgreSQL is a powerful, open source object-relational
         database system. It has more than 15 years of active
         development and a proven architecture that has earned it a
         strong reputation for reliability, data integrity, and
         correctness."""
      homepage = "http://www.postgresql.org/"
      url      = "http://ftp.postgresql.org/pub/source/v9.3.4/postgresql-9.3.4.tar.bz2"
  
      version('9.3.4', 'd0a41f54c377b2d2fab4a003b0dac762')
  
      depends_on("openssl")
  
      def install(self, spec, prefix):
          configure("--prefix=%s" % prefix,
                    "--with-openssl")
          make()
          make("install")
  
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 Postgresql(Package):
      """PostgreSQL is a powerful, open source object-relational
         database system. It has more than 15 years of active
         development and a proven architecture that has earned it a
         strong reputation for reliability, data integrity, and
         correctness."""
      homepage = "http://www.postgresql.org/"
      url      = "http://ftp.postgresql.org/pub/source/v9.3.4/postgresql-9.3.4.tar.bz2"
  
      version('9.3.4', 'd0a41f54c377b2d2fab4a003b0dac762')
      version('9.5.3', '3f0c388566c688c82b01a0edf1e6b7a0')
  
      depends_on('openssl')
      depends_on('readline')
  
      def install(self, spec, prefix):
          configure("--prefix=%s" % prefix,
                    "--with-openssl")
          make()
          make("install")
  
subject: Add version 9.5.3 and add readline as a dependency.