text: # 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 *
  
  
  class Gearshifft(CMakePackage):
      """Benchmark Suite for Heterogenuous FFT Implementations"""
  
      homepage = "https://github.com/mpicbg-scicomp/gearshifft"
      url      = "https://github.com/mpicbg-scicomp/gearshifft/archive/v0.2.1-lw.tar.gz"
  
      maintainers = ['ax3l']
  
      version('0.2.1-lw', 'c3208b767b24255b488a83e5d9e517ea')
  
      variant('cufft', default=True,
              description='Compile gearshifft_cufft')
      variant('clfft', default=True,
              description='Compile gearshifft_clfft')
      variant('fftw', default=True,
              description='Compile gearshifft_fftw')
      variant('openmp', default=True,
              description='use OpenMP parallel fftw libraries')
      # variant('hcfft', default=True,
      #         description='Not implemented yet')
  
      # depends_on C++14 compiler, e.g. GCC 5.0+
      depends_on('cmake@2.8.0:', type='build')
      depends_on('boost@1.56.0:')
      depends_on('cuda@8.0:', when='+cufft')
      depends_on('opencl@1.2:', when='+clfft')
      depends_on('clfft@2.12.0:', when='+clfft')
      depends_on('fftw@3.3.4:~mpi~openmp', when='+fftw~openmp')
      depends_on('fftw@3.3.4:~mpi+openmp', when='+fftw+openmp')
  
      def cmake_args(self):
          spec = self.spec
  
          args = [
              '-DGEARSHIFFT_HCFFT:BOOL=OFF',
              '-DGEARSHIFFT_FFTW_PTHREADS:BOOL=ON',
              '-DGEARSHIFFT_CLFFT:BOOL=OFF'
          ]
          args.extend([
              '-DGEARSHIFFT_FFTW:BOOL={0}'.format(
                  'ON' if '+fftw' in spec else 'OFF'),
              '-DGEARSHIFFT_FFTW_OPENMP:BOOL={0}'.format(
                  'ON' if '+openmp' in spec else 'OFF'),
              '-DGEARSHIFFT_CUFFT:BOOL={0}'.format(
                  'ON' if '+cufft' in spec else 'OFF'),
              '-DGEARSHIFFT_CLFFT:BOOL={0}'.format(
                  'ON' if '+clfft' in spec else 'OFF')
          ])
          return args
  