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 H5bench(CMakePackage):
      """H5bench is a suite of parallel I/O benchmarks or kernels representing I/O patterns that 
         are commonly used in HDF5 applications on high performance computing systems."""
  
      # FIXME: Add a proper url for your package's homepage here.
      homepage = "https://h5bench.readthedocs.io/en/latest/"
      git      = "https://github.com/hpc-io/h5bench.git"
  
      maintainers = ['houjun', 'sbyna', 'jeanbez']
  
      version('master', branch='master')
  
      variant('async', default=False, description='Build and run H5bench Async')
      # how do i get vol-async? if spack package isnt done yet for Async variant?
  
  
      depends_on('cmake')
      depends_on('mpi')
      depends_on('hdf5@develop-1.13')
      depends_on('vol-async', when='+async')
  
      
      def cmake_args(self):
          args = []
  
          if '+async' in self.spec:
              args.append('-DWITH_ASYNC_VOL:BOOL=ON -DCMAKE_C_COMPILER=h5pcc')
              # where to find the correct paths for directories?
              # -DCMAKE_C_FLAGS="-I/vol-async/src -L/vol-async/src"
          else:
              args.append('-DCMAKE_C_COMPILER=h5pcc')
  
          return args
  