old_contents: from spack import *
  import os
  
  class Ior(Package):
      """The IOR software is used for benchmarking parallel file systems
      using POSIX, MPI-IO, or HDF5 interfaces."""
  
      homepage = "http://www.nersc.gov/users/computational-systems/cori/nersc-8-procurement/trinity-nersc-8-rfp/nersc-8-trinity-benchmarks/ior/"
      url      = "https://github.com/LLNL/ior/archive/3.0.1.tar.gz"
  
      version('3.0.1', '71150025e0bb6ea1761150f48b553065')
  
      variant('hdf5',  default=False, description='support IO with HDF5 backend')
      variant('ncmpi', default=False, description='support IO with NCMPI backend')
  
      depends_on('mpi')
      depends_on('hdf5+mpi',   when='+hdf5')
      depends_on('netcdf+mpi', when='+ncmpi')
  
  
      def install(self, spec, prefix):
          os.system('./bootstrap')
  
          config_args = [
              'MPICC=%s' % spec['mpi'].prefix.bin + '/mpicc',
              '--prefix=%s' % prefix,
          ]
  
          if '+hdf5' in spec:
              config_args.append('--with-hdf5')
  
          if '+ncmpi' in spec:
              config_args.append('--with-ncmpi')
  
          configure(*config_args)
  
          make()
          make('install')
  
new_contents: from spack import *
  import os
  
  class Ior(Package):
      """The IOR software is used for benchmarking parallel file systems
      using POSIX, MPI-IO, or HDF5 interfaces."""
  
      homepage = "https://github.com/LLNL/ior"
      url      = "https://github.com/LLNL/ior/archive/3.0.1.tar.gz"
  
      version('3.0.1', '71150025e0bb6ea1761150f48b553065')
  
      variant('hdf5',  default=False, description='support IO with HDF5 backend')
      variant('ncmpi', default=False, description='support IO with NCMPI backend')
  
      depends_on('mpi')
      depends_on('hdf5+mpi',   when='+hdf5')
      depends_on('netcdf+mpi', when='+ncmpi')
  
  
      def install(self, spec, prefix):
          os.system('./bootstrap')
  
          config_args = [
              'MPICC=%s' % spec['mpi'].prefix.bin + '/mpicc',
              '--prefix=%s' % prefix,
          ]
  
          if '+hdf5' in spec:
              config_args.append('--with-hdf5')
          else:
              config_args.append('--without-hdf5')
  
          if '+ncmpi' in spec:
              config_args.append('--with-ncmpi')
          else:
              config_args.append('--without-ncmpi')
  
          configure(*config_args)
  
          make()
          make('install')
  
subject: Change homepage, explicitly disable