text: # Copyright 2013-2020 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 Pagmo(CMakePackage):
      """Parallel Global Multiobjective Optimizer (and its Python alter ego
      PyGMO) is a C++ / Python platform to perform parallel computations of
      optimisation tasks (global and local) via the asynchronous generalized
      island model."""
  
      # Multiple homepages:
      # C++    interface: https://esa.github.io/pagmo/
      # Python interface: https://esa.github.io/pygmo/
  
      homepage = "https://esa.github.io/pagmo/"
      url      = "https://github.com/esa/pagmo/archive/1.1.7.tar.gz"
  
      version('1.1.7', sha256='6d8fab89ef9d5d5f30f148225bf9b84b2e5a38997f3d68b85547840e9fd95172')
  
      variant('examples', default=False, description='Build examples')
      variant('cxx',      default=True,  description='Build the C++ interface')
      variant('python',   default=True,  description='Build Python bindings')
      variant('gsl',      default=True,  description='Enable support for GSL minimisers')
      variant('gtop',     default=False, description='Build GTOP database problems')
      variant('ipopt',    default=False, description='Enable support for IPOPT minimiser')
      variant('mpi',      default=True,  description='Enable support for MPI')
      variant('nlopt',    default=False, description='Enable support for NLopt minimisers')
      variant('snopt',    default=False, description='Enable support for SNOPT minimiser')
      variant('worhp',    default=False, description='Enable support for WORHP minimiser')
      variant('headers',  default=True,  description='Installs the header files')
      variant('blas',     default=True,  description='Enable support for BLAS')
      variant('scipy',    default=True,  description='Enable support for scipy')
      variant('networkx', default=False, description='Enable support for networkx')
      variant('vpython',  default=False, description='Enable support for vpython')
      variant('pykep',    default=False, description='Enable support for pykep')
  
      extends('python', when='+python')
  
      # Concretization in Spack is currently broken
      # depends_on('boost+system+serialization+thread')
      # depends_on('boost+python',    when='+python')
      # depends_on('boost+date_time', when='+gtop')
  
      # Workaround for now
      depends_on('boost+system+serialization+thread',                  when='~python~gtop')
      depends_on('boost+system+serialization+thread+python',           when='+python~gtop')
      depends_on('boost+system+serialization+thread+date_time',        when='~python+gtop')
      depends_on('boost+system+serialization+thread+python+date_time', when='+python+gtop')
  
      depends_on('gsl@1.15:',       when='+gsl')
      depends_on('ipopt',           when='+ipopt')
      depends_on('mpi@1.2:',        when='+mpi')
      depends_on('blas',            when='+blas')
      depends_on('py-scipy',    type=('build', 'run'), when='+scipy')
      depends_on('py-networkx', type=('build', 'run'), when='+networkx')
  
      # TODO: Add packages for missing dependencies
      # depends_on('nlopt+cxx', when='+nlopt')
      # depends_on('snopt',     when='+snopt')
      # depends_on('py-vpython',     type=('build', 'run'), when='+vpython')
      # depends_on('py-pykep@1.15:', type=('build', 'run'), when='+gtop')
      # depends_on('py-pykep@1.15:', type=('build', 'run'), when='+pykep')
  
      depends_on('cmake@2.8:', type='build')
  
      def variant_to_bool(self, variant):
          return 'ON' if variant in self.spec else 'OFF'
  
      def cmake_args(self):
          spec = self.spec
  
          args = [
              '-DBUILD_EXAMPLES={0}'.format(self.variant_to_bool('+examples')),
              '-DBUILD_MAIN={0}'.format(self.variant_to_bool('+cxx')),
              '-DBUILD_PYGMO={0}'.format(self.variant_to_bool('+python')),
              '-DENABLE_GSL={0}'.format(self.variant_to_bool('+gsl')),
              '-DENABLE_GTOP_DATABASE={0}'.format(self.variant_to_bool('+gtop')),
              '-DENABLE_IPOPT={0}'.format(self.variant_to_bool('+ipopt')),
              '-DENABLE_MPI={0}'.format(self.variant_to_bool('+mpi')),
              '-DENABLE_NLOPT={0}'.format(self.variant_to_bool('+nlopt')),
              '-DENABLE_SNOPT={0}'.format(self.variant_to_bool('+snopt')),
              '-DENABLE_WORHP={0}'.format(self.variant_to_bool('+worhp')),
              '-DINSTALL_HEADERS={0}'.format(self.variant_to_bool('+headers')),
              '-DENABLE_TESTS={0}'.format('ON' if self.run_tests else 'OFF'),
          ]
  
          if '+python' in spec:
              args.extend([
                  # By default picks up the system python not the Spack build
                  '-DPYTHON_EXECUTABLE={0}'.format(spec['python'].command.path),
                  # By default installs to the python prefix not the pagmo prefix
                  '-DPYTHON_MODULES_DIR={0}'.format(site_packages_dir),
              ])
  
          return args
  