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from spack import *
import glob, string
class Mfem(Package):
"""Free, lightweight, scalable C++ library for finite element methods."""
homepage = 'http://www.mfem.org'
url = 'https://github.com/mfem/mfem'
# version('3.1', git='https://github.com/mfem/mfem.git',
# commit='dbae60fe32e071989b52efaaf59d7d0eb2a3b574')
version('3.1', '841ea5cf58de6fae4de0f553b0e01ebaab9cd9c67fa821e8a715666ecf18fc57',
url='http://goo.gl/xrScXn', expand=False)
variant('metis', default=False, description='Activate support for metis')
variant('hypre', default=False, description='Activate support for hypre')
variant('suite-sparse', default=False,
description='Activate support for SuiteSparse')
variant('mpi', default=False, description='Activate support for MPI')
variant('lapack', default=False, description='Activate support for LAPACK')
variant('debug', default=False, description='Build debug version')
depends_on('blas', when='+lapack')
depends_on('lapack', when='+lapack')
depends_on('mpi', when='+mpi')
depends_on('metis', when='+mpi')
depends_on('hypre', when='+mpi')
depends_on('hypre', when='+hypre')
depends_on('metis@4:', when='+metis')
depends_on('suite-sparse', when='+suite-sparse')
depends_on('blas', when='+suite-sparse')
depends_on('lapack', when='+suite-sparse')
depends_on('metis@5:', when='+suite-sparse ^suite-sparse@4.5:')
depends_on('cmake', when='^metis@5:')
def check_variants(self, spec):
if '+mpi' in spec and ('+hypre' not in spec or '+metis' not in spec):
raise InstallError('mfem+mpi must be built with +hypre ' +
'and +metis!')
if '+suite-sparse' in spec and ('+metis' not in spec or
'+lapack' not in spec):
raise InstallError('mfem+suite-sparse must be built with ' +
'+metis and +lapack!')
if 'metis@5:' in spec and '%clang' in spec and ('^cmake %gcc' not in spec):
raise InstallError('To work around CMake bug with clang, must ' +
'build mfem with mfem[+variants] %clang ' +
'^cmake %gcc to force CMake to build with gcc')
return
def install(self, spec, prefix):
self.check_variants(spec)
options = ['PREFIX=%s' % prefix]
if '+lapack' in spec:
lapack_lib = '-L{0} -llapack -L{1} -lblas'.format(
spec['lapack'].prefix.lib, spec['blas'].prefix.lib)
options.extend(['MFEM_USE_LAPACK=YES',
'LAPACK_OPT=-I%s' % spec['lapack'].prefix.include,
'LAPACK_LIB=%s' % lapack_lib])
if '+hypre' in spec:
options.extend(['HYPRE_DIR=%s' % spec['hypre'].prefix,
'HYPRE_OPT=-I%s' % spec['hypre'].prefix.include,
'HYPRE_LIB=-L%s' % spec['hypre'].prefix.lib +
' -lHYPRE'])
if '+metis' in spec:
metis_lib = '-L%s -lmetis' % spec['metis'].prefix.lib
if spec['metis'].satisfies('@5:'):
metis_str = 'MFEM_USE_METIS_5=YES'
else:
metis_str = 'MFEM_USE_METIS_5=NO'
options.extend([metis_str,
'METIS_DIR=%s' % spec['metis'].prefix,
'METIS_OPT=-I%s' % spec['metis'].prefix.include,
'METIS_LIB=%s' % metis_lib])
if '+mpi' in spec: options.extend(['MFEM_USE_MPI=YES'])
if '+suite-sparse' in spec:
ssp = spec['suite-sparse'].prefix
ss_lib = '-L%s' % ssp.lib
ss_lib += (' -lumfpack -lcholmod -lcolamd -lamd -lcamd' +
' -lccolamd -lsuitesparseconfig')
no_librt_archs = ['darwin-i686', 'darwin-x86_64']
no_rt = any(map(lambda a: spec.satisfies('='+a), no_librt_archs))
if not no_rt: ss_lib += ' -lrt'
ss_lib += (' ' + metis_lib + ' ' + lapack_lib)
options.extend(['MFEM_USE_SUITESPARSE=YES',
'SUITESPARSE_DIR=%s' % ssp,
'SUITESPARSE_OPT=-I%s' % ssp.include,
'SUITESPARSE_LIB=%s' % ss_lib])
if '+debug' in spec: options.extend(['MFEM_DEBUG=YES'])
# Dirty hack to cope with URL redirect
tgz_file = string.split(self.url,'/')[-1]
tar = which('tar')
tar('xzvf', tgz_file)
cd(glob.glob('mfem*')[0])
# End dirty hack to cope with URL redirect
make('config', *options)
make('all')
# Run a small test before installation
args = ['-m', join_path('data','star.mesh'), '--no-visualization']
if '+mpi' in spec:
Executable(join_path(spec['mpi'].prefix.bin,
'mpirun'))('-np',
'4',
join_path('examples','ex1p'),
*args)
else:
Executable(join_path('examples', 'ex1'))(*args)
make('install')
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