old_contents: ##############################################################################
  # Copyright (c) 2017, Los Alamos National Security, LLC
  # Produced at the Los Alamos National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/spack/spack
  # Please also see the NOTICE and LICENSE files for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  
  class Bml(CMakePackage):
      """The basic matrix library (bml) is a collection of various matrix data
      formats (in dense and sparse) and their associated algorithms for basic
      matrix operations."""
  
      homepage = "http://lanl.github.io/bml/"
      url      = "https://github.com/lanl/bml/tarball/v1.2.2"
  
      version('1.2.3', '8133137fb56a27fade44d1588449c2ac')
      version('1.2.2', 'c86959cb0188e9d0a9a2cbad03b2782d')
      version('1.1.0', '271adecee08aee678be9eeceee06b6fb')
      version('develop', git='https://github.com/lanl/bml', branch='master')
  
      variant('shared', default=True, description='Build shared libs')
      variant('mpi', default=False, description='Build with MPI Support')
  
      conflicts('+mpi', when='@:1.2.2')
  
      depends_on("blas")
      depends_on("lapack")
      depends_on('mpi', when='+mpi')
  
      def cmake_args(self):
          args = [
              '-DBUILD_SHARED_LIBS={0}'.format(
                  'ON' if '+shared' in self.spec else 'OFF')
          ]
          spec = self.spec
          if '+mpi' in spec:
              args.append('-DBML_MPI=True')
              args.append('-DCMAKE_C_COMPILER=%s' % spec['mpi'].mpicc)
              args.append('-DCMAKE_CXX_COMPILER=%s' % spec['mpi'].mpicxx)
              args.append('-DCMAKE_Fortran_COMPILER=%s' % spec['mpi'].mpifc)
          else:
              args.append('-DBML_MPI=False')
          return args
  
new_contents: ##############################################################################
  # Copyright (c) 2017, Los Alamos National Security, LLC
  # Produced at the Los Alamos National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/spack/spack
  # Please also see the NOTICE and LICENSE files for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  
  class Bml(CMakePackage):
      """The basic matrix library (bml) is a collection of various matrix data
      formats (in dense and sparse) and their associated algorithms for basic
      matrix operations."""
  
      homepage = "http://lanl.github.io/bml/"
      url      = "https://github.com/lanl/bml/tarball/v1.2.2"
  
      version('1.2.3', '8133137fb56a27fade44d1588449c2ac')
      version('1.2.2', 'c86959cb0188e9d0a9a2cbad03b2782d')
      version('1.1.0', '271adecee08aee678be9eeceee06b6fb')
      version('develop', git='https://github.com/lanl/bml', branch='master')
  
      variant('shared', default=True, description='Build shared libs')
      variant('mpi', default=True, description='Build with MPI Support')
  
      conflicts('+mpi', when='@:1.2.2')
  
      depends_on("blas")
      depends_on("lapack")
      depends_on('mpi', when='+mpi')
  
      def cmake_args(self):
          args = [
              '-DBUILD_SHARED_LIBS={0}'.format(
                  'ON' if '+shared' in self.spec else 'OFF')
          ]
          spec = self.spec
          if '+mpi' in spec:
              args.append('-DBML_MPI=True')
              args.append('-DCMAKE_C_COMPILER=%s' % spec['mpi'].mpicc)
              args.append('-DCMAKE_CXX_COMPILER=%s' % spec['mpi'].mpicxx)
              args.append('-DCMAKE_Fortran_COMPILER=%s' % spec['mpi'].mpifc)
          else:
              args.append('-DBML_MPI=False')
          return args
  
subject: enable MPI by default (#7324)