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 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 Zsh(AutotoolsPackage):
      """Zsh is a shell designed for interactive use, although it is also a
      powerful scripting language. Many of the useful features of bash, ksh, and
      tcsh were incorporated into zsh; many original features were added.
      """
  
      homepage = "http://www.zsh.org"
      url = "http://downloads.sourceforge.net/project/zsh/zsh/5.1.1/zsh-5.1.1.tar.gz"
  
      version('5.3.1', checksum='d583fbca0c2410bf9542ce8a651c26ca')
      version('5.1.1', checksum='8ba28a9ef82e40c3a271602f18343b2f')
  
      depends_on("pcre")
      depends_on("ncurses")
  
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 Zsh(AutotoolsPackage):
      """Zsh is a shell designed for interactive use, although it is also a
      powerful scripting language. Many of the useful features of bash, ksh, and
      tcsh were incorporated into zsh; many original features were added.
      """
  
      homepage = "http://www.zsh.org"
      url = "http://downloads.sourceforge.net/project/zsh/zsh/5.1.1/zsh-5.1.1.tar.gz"
  
      version('5.3.1', checksum='d583fbca0c2410bf9542ce8a651c26ca')
      version('5.1.1', checksum='8ba28a9ef82e40c3a271602f18343b2f')
  
      # Testing for terminal related things causes failures in e.g. Jenkins.
      # See e.g. https://www.zsh.org/mla/users/2003/msg00845.html,
      # although the name of the option has evolved since then.
      variant('skip-tcsetpgrp-test', default=True,
              description="Skip configure's tcsetpgrp test")
  
      depends_on("pcre")
      depends_on("ncurses")
  
      def configure_args(self):
          if '+skip-tcsetpgrp-test' in self.spec:
              # assert that we have a functional tcsetpgrp
              args = ['--with-tcsetpgrp']
          else:
              # let configure run it's test and see what's what
              args = []
  
          return args
  
subject: add variant that skips tcsetpgrp test (#4923)