text: # 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 NetcdfCxx4(AutotoolsPackage):
      """NetCDF (network Common Data Form) is a set of software libraries and
      machine-independent data formats that support the creation, access, and
      sharing of array-oriented scientific data. This is the C++ distribution."""
  
      homepage = "https://www.unidata.ucar.edu/software/netcdf"
      url      = "https://www.unidata.ucar.edu/downloads/netcdf/ftp/netcdf-cxx4-4.3.1.tar.gz"
  
      version('4.3.1', sha256='6a1189a181eed043b5859e15d5c080c30d0e107406fbb212c8fb9814e90f3445')
      version('4.3.0', sha256='f4766d5a19c91093be80ddd2eaf1fbbd8d203854cc69fc73d2ad293b099ac799')
  
      # Usually the configure automatically inserts the pic flags, but we can
      # force its usage with this variant.
      variant('pic', default=True, description='Produce position-independent code (for shared libs)')
  
      depends_on('netcdf-c')
  
      depends_on('automake', type='build')
      depends_on('autoconf', type='build')
      depends_on('libtool', type='build')
      depends_on('m4', type='build')
  
      force_autoreconf = True
  
      def flag_handler(self, name, flags):
          if name == 'cflags' and '+pic' in self.spec:
              flags.append(self.compiler.pic_flag)
          elif name == 'cppflags':
              flags.append('-I' + self.spec['netcdf-c'].prefix.include)
  
          return (None, None, flags)
  
      @property
      def libs(self):
          shared = True
          return find_libraries(
              'libnetcdf_c++4', root=self.prefix, shared=shared, recursive=True
          )
  