old_contents: # Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  
  from spack import *
  from spack.operating_systems.mac_os import macos_version
  import sys
  
  
  class Bison(AutotoolsPackage):
      """Bison is a general-purpose parser generator that converts
      an annotated context-free grammar into a deterministic LR or
      generalized LR (GLR) parser employing LALR(1) parser tables."""
  
      homepage = "https://www.gnu.org/software/bison/"
      url      = "https://ftpmirror.gnu.org/bison/bison-3.4.2.tar.gz"
  
      version('3.4.2', sha256='ff3922af377d514eca302a6662d470e857bd1a591e96a2050500df5a9d59facf')
      version('3.0.5', sha256='cd399d2bee33afa712bac4b1f4434e20379e9b4099bce47189e09a7675a2d566')
      version('3.0.4', sha256='b67fd2daae7a64b5ba862c66c07c1addb9e6b1b05c5f2049392cfd8a2172952e')
      version('2.7',   sha256='19bbe7374fd602f7a6654c131c21a15aebdc06cc89493e8ff250cb7f9ed0a831')
  
      depends_on('diffutils', type='build')
      depends_on('m4', type=('build', 'run'))
      depends_on('perl', type='build')
      depends_on('help2man', type='build')
  
      patch('pgi.patch', when='@3.0.4')
  
      if sys.platform == 'darwin' and macos_version() >= Version('10.13'):
          patch('secure_snprintf.patch', level=0, when='@3.0.4')
  
      build_directory = 'spack-build'
  
new_contents: # Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  
  from spack import *
  from spack.operating_systems.mac_os import macos_version
  import sys
  
  
  class Bison(AutotoolsPackage):
      """Bison is a general-purpose parser generator that converts
      an annotated context-free grammar into a deterministic LR or
      generalized LR (GLR) parser employing LALR(1) parser tables."""
  
      homepage = "https://www.gnu.org/software/bison/"
      url      = "https://ftpmirror.gnu.org/bison/bison-3.4.2.tar.gz"
  
      version('3.4.2', sha256='ff3922af377d514eca302a6662d470e857bd1a591e96a2050500df5a9d59facf')
      version('3.0.5', sha256='cd399d2bee33afa712bac4b1f4434e20379e9b4099bce47189e09a7675a2d566')
      version('3.0.4', sha256='b67fd2daae7a64b5ba862c66c07c1addb9e6b1b05c5f2049392cfd8a2172952e')
      version('2.7',   sha256='19bbe7374fd602f7a6654c131c21a15aebdc06cc89493e8ff250cb7f9ed0a831')
  
      depends_on('diffutils', type='build')
      depends_on('m4', type=('build', 'run'))
      depends_on('perl', type='build')
      depends_on('help2man', type='build')
  
      patch('pgi.patch', when='@3.0.4')
  
      if sys.platform == 'darwin' and macos_version() >= Version('10.13'):
          patch('secure_snprintf.patch', level=0, when='@3.0.4')
  
      build_directory = 'spack-build'
  
      @property
      def parallel(self):
          return not self.spec.satisfies('@3.4.2')
  
subject: Fix build (#13231)