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 Libffi(AutotoolsPackage, SourcewarePackage):
      """The libffi library provides a portable, high level programming
      interface to various calling conventions. This allows a programmer
      to call any function specified by a call interface description at
      run time."""
      homepage = "https://sourceware.org/libffi/"
      sourceware_mirror_path = "libffi/libffi-3.2.1.tar.gz"
  
      version('3.2.1', sha256='d06ebb8e1d9a22d19e38d63fdb83954253f39bedc5d46232a05645685722ca37')
  
      @property
      def headers(self):
          # The headers are probably in self.prefix.lib but we search everywhere
          return find_headers('ffi', self.prefix, recursive=True)
  
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 Libffi(AutotoolsPackage, SourcewarePackage):
      """The libffi library provides a portable, high level programming
      interface to various calling conventions. This allows a programmer
      to call any function specified by a call interface description at
      run time."""
      homepage = "https://sourceware.org/libffi/"
      sourceware_mirror_path = "libffi/libffi-3.2.1.tar.gz"
  
      version('3.3',   sha256='72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056')
      version('3.2.1', sha256='d06ebb8e1d9a22d19e38d63fdb83954253f39bedc5d46232a05645685722ca37')
  
      @property
      def headers(self):
          # The headers are probably in self.prefix.lib but we search everywhere
          return find_headers('ffi', self.prefix, recursive=True)
  
subject: Add 3.3 (#16400)