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import re, os, glob
from spack import *
class Zoltan(Package):
"""The Zoltan library is a toolkit of parallel combinatorial algorithms for
parallel, unstructured, and/or adaptive scientific applications. Zoltan's
largest component is a suite of dynamic load-balancing and paritioning
algorithms that increase applications' parallel performance by reducing
idle time. Zoltan also has graph coloring and graph ordering algorithms,
which are useful in task schedulers and parallel preconditioners."""
homepage = "http://www.cs.sandia.gov/zoltan"
base_url = "http://www.cs.sandia.gov/~kddevin/Zoltan_Distributions"
version('3.83', '1ff1bc93f91e12f2c533ddb01f2c095f')
version('3.8', '9d8fba8a990896881b85351d4327c4a9')
version('3.6', '9cce794f7241ecd8dbea36c3d7a880f9')
version('3.3', '5eb8f00bda634b25ceefa0122bd18d65')
variant('debug', default=False, description='Builds a debug version of the library')
variant('shared', default=True, description='Builds a shared version of the library')
variant('fortran', default=True, description='Enable Fortran support')
variant('mpi', default=False, description='Enable MPI support')
depends_on('mpi', when='+mpi')
def install(self, spec, prefix):
config_args = [
'--enable-f90interface' if '+fortan' in spec else '--disable-f90interface',
'--enable-mpi' if '+mpi' in spec else '--disable-mpi',
]
config_cflags = [
'-O0' if '+debug' in spec else '-O3',
'-g' if '+debug' in spec else '-g0',
]
if '+shared' in spec:
config_args.append('--with-ar=$(CXX) -shared $(LDFLAGS) -o')
config_args.append('RANLIB=echo')
config_cflags.append('-fPIC')
if '+mpi' in spec:
config_args.append('CC=%s/mpicc' % spec['mpi'].prefix.bin)
config_args.append('CXX=%s/mpicxx' % spec['mpi'].prefix.bin)
config_args.append('--with-mpi=%s' % spec['mpi'].prefix)
config_args.append('--with-mpi-compilers=%s' % spec['mpi'].prefix.bin)
# NOTE: Early versions of Zoltan come packaged with a few embedded
# library packages (e.g. ParMETIS, Scotch), which messes with Spack's
# ability to descend directly into the package's source directory.
if spec.satisfies('@:3.6'):
cd('Zoltan_v%s' % self.version)
mkdirp('build')
cd('build')
config_zoltan = Executable('../configure')
config_zoltan(
'--prefix=%s' % pwd(),
'--with-cflags=%s' % ' '.join(config_cflags),
'--with-cxxflags=%s' % ' '.join(config_cflags),
*config_args)
make()
make('install')
# NOTE: Unfortunately, Zoltan doesn't provide any configuration options for
# the extension of the output library files, so this script must change these
# extensions as a post-processing step.
if '+shared' in spec:
for libpath in glob.glob('lib/*.a'):
libdir, libname = (os.path.dirname(libpath), os.path.basename(libpath))
move(libpath, os.path.join(libdir, re.sub(r'\.a$', '.so', libname)))
mkdirp(prefix)
move('include', prefix)
move('lib', prefix)
def url_for_version(self, version):
return '%s/zoltan_distrib_v%s.tar.gz' % (Zoltan.base_url, version)
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