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from spack import *
class SuiteSparse(Package):
"""
SuiteSparse is a suite of sparse matrix algorithms
"""
homepage = 'http://faculty.cse.tamu.edu/davis/suitesparse.html'
url = 'http://faculty.cse.tamu.edu/davis/SuiteSparse/SuiteSparse-4.5.1.tar.gz'
version('4.5.1', 'f0ea9aad8d2d1ffec66a5b6bfeff5319')
# FIXME: (see below)
# variant('tbb', default=True, description='Build with Intel TBB')
depends_on('blas')
depends_on('lapack')
depends_on('metis@5.1.0', when='@4.5.1')
# FIXME:
# in @4.5.1. TBB support in SPQR seems to be broken as TBB-related linkng flags
# does not seem to be used, which leads to linking errors on Linux.
# Try re-enabling in future versions.
# depends_on('tbb', when='+tbb')
def install(self, spec, prefix):
# The build system of SuiteSparse is quite old-fashioned
# It's basically a plain Makefile which include an header (SuiteSparse_config/SuiteSparse_config.mk)
# with a lot of convoluted logic in it.
# Any kind of customization will need to go through filtering of that file
make_args = ['INSTALL=%s' % prefix]
# inject Spack compiler wrappers
make_args.extend([
'AUTOCC=no',
'CC=cc',
'CXX=c++',
'F77=f77',
])
# use Spack's metis in CHOLMOD/Partition module,
# otherwise internal Metis will be compiled
make_args.extend([
'MY_METIS_LIB=-L%s -lmetis' % spec['metis'].prefix.lib,
'MY_METIS_INC=%s' % spec['metis'].prefix.include,
])
# Intel TBB in SuiteSparseQR
if '+tbb' in spec:
make_args.extend([
'SPQR_CONFIG=-DHAVE_TBB',
'TBB=-L%s -ltbb' % spec['tbb'].prefix.lib,
])
# BLAS arguments require path to libraries
# FIXME : (blas / lapack always provide libblas and liblapack as aliases)
make_args.extend([
'BLAS=-lblas',
'LAPACK=-llapack'
])
make('install', *make_args)
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