text: # Copyright 2013-2021 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 Nix(AutotoolsPackage):
      """Nix, the purely functional package manager"""
  
      homepage = "http://nixos.org/nix"
      url      = "https://github.com/NixOS/nix/archive/2.2.1.zip"
  
      version('2.2.1', sha256='b591664dd1b04a8f197407d445799ece41140a3117bcbdf8e3c5e94cd3f59854')
      version('2.1.3', sha256='80d0834f3e34b3e91bd20969733d8010b3e253517ea64bf12258c5f450f86425')
      version('2.0.4', sha256='49c78122b20e3ad894f546dd2a2f01c32ec528de790314820b1f1335276e3c22')
  
      patch('fix-doc-build.patch')
      patch('fix-nfs4.patch', when='+nfs')
  
      variant('storedir', values=str, default='none',
              description='path of the Nix store (defaults to /nix)')
      variant('statedir', values=str, default='none',
              description='path to the locale state (defaults to /nix/var)')
      variant('doc', default=True,
              description='Build and install documentation')
      variant('sandboxing', default=True,
              description='Enable build isolation')
      variant('nfs', default=False,
              description='Installation on an NFS system')
  
      depends_on('autoconf', type='build')
      depends_on('automake', type='build')
      depends_on('bison@2.6.0:', type='build')
      depends_on('flex@2.5.35:', type='build')
      depends_on('libtool', type='build')
      depends_on('libxslt', when='+doc', type='build')
  
      depends_on('boost@1.66.0:+coroutine+context cxxstd=14', when='@2.2.0:')
      depends_on('boost@1.61.0:+coroutine+context cxxstd=14', when='@2.0.0:')
      depends_on('brotli')
      depends_on('editline')
      depends_on('m4', type='build')
  
      depends_on('bzip2')
      depends_on('curl')
      depends_on('libseccomp', when='+sandboxing')
      depends_on('openssl')
      depends_on('sqlite@3.6.19:')
      depends_on('xz')
  
      # gcc 4.9+ and higher supported with c++14
      conflicts('%gcc@:4.8.99')
  
      def configure_args(self):
          args = []
          if '+sandboxing' not in self.spec:
              args.append('--disable-seccomp-sandboxing')
          if '+doc' not in self.spec:
              args.append('--disable-doc-gen')
          storedir = self.spec.variants['storedir'].value
          if storedir != 'none':
              args.append('--with-store-dir=' + storedir)
          statedir = self.spec.variants['statedir'].value
          if statedir != 'none':
              args.append('--localstatedir=' + statedir)
          return args
  