old_contents: # Copyright 2013-2020 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 *
  
  
  class Axel(AutotoolsPackage):
      """Axel is a light command line download accelerator for Linux and Unix"""
  
      homepage = "https://github.com/axel-download-accelerator/axel"
      url      = "https://github.com/axel-download-accelerator/axel/archive/v2.16.1.tar.gz"
  
      version('2.16.1', sha256='64529add74df3db828f704b42d4ec3fcdacb8142c84f051f9213637c337e706c')
  
      depends_on('m4', type='build')
      depends_on('autoconf', type='build')
      depends_on('automake', type='build')
      depends_on('libtool', type='build')
      depends_on('pkgconfig', type='build')
      depends_on('gettext')
      depends_on('openssl')
  
new_contents: # Copyright 2013-2020 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 *
  
  
  class Axel(AutotoolsPackage):
      """Axel is a light command line download accelerator for Linux and Unix"""
  
      homepage = "https://github.com/axel-download-accelerator/axel"
      url      = "https://github.com/axel-download-accelerator/axel/archive/v2.16.1.tar.gz"
  
      version('2.16.1', sha256='64529add74df3db828f704b42d4ec3fcdacb8142c84f051f9213637c337e706c')
  
      depends_on('m4', type='build')
      depends_on('autoconf', type='build')
      depends_on('automake', type='build')
      depends_on('libtool', type='build')
      depends_on('pkgconfig', type='build')
      depends_on('gettext')
      depends_on('openssl')
  
      def autoreconf(self, spec, prefix):
          bash = which('bash')
          bash('./autogen.sh')
  
subject: fix build error (#19387)