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# Copyright 2013-2018 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 Channelflow(CMakePackage):
"""Channelflow is a software system for numerical analysis of the
incompressible fluid flow in channel geometries, written in C++.
"""
homepage = 'https://github.com/epfl-ecps/channelflow'
url = 'https://github.com/epfl-ecps/channelflow.git'
version(
'develop',
git='https://github.com/epfl-ecps/channelflow.git',
branch='master'
)
variant('shared', default=True, description='Build shared libs')
variant('mpi', default=True, description='Enable MPI parallelism')
variant('hdf5', default=True, description='Enable support for HDF5 I/O')
variant(
'netcdf', default='serial', values=('none', 'serial', 'parallel'),
multi=False, description='Level of support for NetCDF I/O'
)
variant('python', default=False, description='Build python bindings')
depends_on('eigen')
depends_on('fftw')
# MPI related constraints
depends_on('mpi', when='+mpi')
depends_on('fftw+mpi', when='+mpi')
# Support for different I/O formats
depends_on('hdf5+cxx', when='+hdf5')
depends_on('netcdf', when='netcdf=serial')
depends_on('netcdf+mpi', when='netcdf=parallel')
# Python bindings
depends_on('boost+python', when='+python')
conflicts('~mpi', when='netcdf=parallel', msg='Parallel NetCDF requires MPI')
conflicts(
'+mpi', when='+python',
msg='Building python bindings is possible only for the serial code'
)
conflicts('~mpi', when='^mpi',
msg='There should be no MPI in the DAG when ~mpi is active')
def cmake_args(self):
spec = self.spec
on_or_off = lambda predicate: 'ON' if predicate else 'OFF'
args = [
'-DBUILD_SHARED_LIBS:BOOL={0}'.format(
on_or_off('+shared' in spec)
),
'-DUSE_MPI:BOOL={0}'.format(on_or_off('+mpi' in spec)),
'-DWITH_HDF5CXX:BOOL={0}'.format(on_or_off('+hdf5' in spec)),
'-DWITH_PYTHON:BOOL={0}'.format(on_or_off('+python' in spec))
]
netcdf_str = {
'none': 'OFF',
'serial': 'Serial',
'parallel': 'Parallel'
}
args.append('-DWITH_NETCDF:STRING={0}'.format(
netcdf_str[spec.variants['netcdf'].value]
))
# Set an MPI compiler for parallel builds
if '+mpi' in spec:
args.append(
'-DCMAKE_CXX_COMPILER:PATH={0}'.format(spec['mpi'].mpicxx)
)
return args
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