new_contents: from spack import *
  
  class OsuMicroBenchmarks(Package):
      """The Ohio MicroBenchmark suite is a collection of independent MPI
      message passing performance microbenchmarks developed and written at
      The Ohio State University. It includes traditional benchmarks and
      performance measures such as latency, bandwidth and host overhead
      and can be used for both traditional and GPU-enhanced nodes."""
  
      homepage = "http://mvapich.cse.ohio-state.edu/benchmarks/"
      url      = "http://mvapich.cse.ohio-state.edu/download/mvapich/osu-micro-benchmarks-5.3.tar.gz"
  
      version('5.3', '42e22b931d451e8bec31a7424e4adfc2')
  
      variant('cuda', default=False, description="Enable CUDA support")
  
      depends_on('mpi')
      depends_on('cuda', when='+cuda')
  
  
      def install(self, spec, prefix):
          config_args = [
              'CC=%s'  % spec['mpi'].prefix.bin + '/mpicc',
              'CXX=%s' % spec['mpi'].prefix.bin + '/mpicxx',
              'LDFLAGS=-lrt',
              '--prefix=%s' % prefix
          ]
  
          if '+cuda' in spec:
              config_args.extend([
                  '--enable-cuda',
                  '--with-cuda=%s' % spec['cuda'].prefix,
              ])
  
          configure(*config_args)
  
          make()
          make('install')
  
subject: Add OSU Micro-Benchmarks package (#822)