old_contents: ##############################################################################
  # 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 Pcre(AutotoolsPackage):
      """The PCRE package contains Perl Compatible Regular Expression
      libraries. These are useful for implementing regular expression
      pattern matching using the same syntax and semantics as Perl 5."""
  
      homepage = "http://www.pcre.org"
      url      = "https://ftp.pcre.org/pub/pcre/pcre-8.40.tar.bz2"
  
      version('8.41', 'c160d22723b1670447341b08c58981c1')
      version('8.40', '41a842bf7dcecd6634219336e2167d1d')
      version('8.39', 'e3fca7650a0556a2647821679d81f585')
      version('8.38', '00aabbfe56d5a48b270f999b508c5ad2')
  
      patch('intel.patch', when='@8.38')
  
      variant('jit', default=False,
              description='Enable JIT support.')
  
      variant('utf', default=True,
              description='Enable support for UTF-8/16/32, '
              'incompatible with EBCDIC.')
  
      def configure_args(self):
          args = []
  
          if '+jit' in self.spec:
              args.append('--enable-jit')
  
          if '+utf' in self.spec:
              args.append('--enable-utf')
              args.append('--enable-unicode-properties')
  
          return args
  
new_contents: ##############################################################################
  # 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 Pcre(AutotoolsPackage):
      """The PCRE package contains Perl Compatible Regular Expression
      libraries. These are useful for implementing regular expression
      pattern matching using the same syntax and semantics as Perl 5."""
  
      homepage = "http://www.pcre.org"
      url      = "https://ftp.pcre.org/pub/pcre/pcre-8.42.tar.bz2"
  
      version('8.42', '085b6aa253e0f91cae70b3cdbe8c1ac2')
      version('8.41', 'c160d22723b1670447341b08c58981c1')
      version('8.40', '41a842bf7dcecd6634219336e2167d1d')
      version('8.39', 'e3fca7650a0556a2647821679d81f585')
      version('8.38', '00aabbfe56d5a48b270f999b508c5ad2')
  
      patch('intel.patch', when='@8.38')
  
      variant('jit', default=False,
              description='Enable JIT support.')
  
      variant('utf', default=True,
              description='Enable support for UTF-8/16/32, '
              'incompatible with EBCDIC.')
  
      def configure_args(self):
          args = []
  
          if '+jit' in self.spec:
              args.append('--enable-jit')
  
          if '+utf' in self.spec:
              args.append('--enable-utf')
              args.append('--enable-unicode-properties')
  
          return args
  
subject: Add PCRE 8.42 (#8213)