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##############################################################################
# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/spack
# Please also see the LICENSE file for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, February 1999.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
# conditions of the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
from spack import *
from spack.package_test import *
import os
class Openblas(Package):
"""OpenBLAS: An optimized BLAS library"""
homepage = "http://www.openblas.net"
url = "http://github.com/xianyi/OpenBLAS/archive/v0.2.15.tar.gz"
version('0.2.18', '805e7f660877d588ea7e3792cda2ee65')
version('0.2.17', '664a12807f2a2a7cda4781e3ab2ae0e1')
version('0.2.16', 'fef46ab92463bdbb1479dcec594ef6dc')
version('0.2.15', 'b1190f3d3471685f17cfd1ec1d252ac9')
variant('shared', default=True, description="Build shared libraries as well as static libs.") # NOQA: ignore=E501
variant('openmp', default=False, description="Enable OpenMP support.")
variant('fpic', default=True, description="Build position independent code") # NOQA: ignore=E501
# virtual dependency
provides('blas')
provides('lapack')
patch('make.patch')
def install(self, spec, prefix):
# As of 06/2016 there is no mechanism to specify that packages which
# depends on Blas/Lapack need C or/and Fortran symbols. For now
# require both.
if self.compiler.f77 is None:
raise InstallError('OpenBLAS requires both C and Fortran ',
'compilers!')
# Configure fails to pick up fortran from FC=/abs/path/to/f77, but
# works fine with FC=/abs/path/to/gfortran.
# When mixing compilers make sure that
# $SPACK_ROOT/lib/spack/env/<compiler> have symlinks with reasonable
# names and hack them inside lib/spack/spack/compilers/<compiler>.py
make_defs = ['CC=%s' % spack_cc,
'FC=%s' % spack_f77,
'MAKE_NO_J=1']
make_targets = ['libs', 'netlib']
# Build shared if variant is set.
if '+shared' in spec:
make_targets += ['shared']
else:
if '+fpic' in spec:
make_defs.extend(['CFLAGS=-fPIC', 'FFLAGS=-fPIC'])
make_defs += ['NO_SHARED=1']
# fix missing _dggsvd_ and _sggsvd_
if spec.satisfies('@0.2.16'):
make_defs += ['BUILD_LAPACK_DEPRECATED=1']
# Add support for OpenMP
if '+openmp' in spec:
# Openblas (as of 0.2.18) hardcoded that OpenMP cannot
# be used with any (!) compiler named clang, bummer.
if spec.satisfies('%clang'):
raise InstallError('OpenBLAS does not support ',
'OpenMP with clang!')
make_defs += ['USE_OPENMP=1']
make_args = make_defs + make_targets
make(*make_args)
make("tests", *make_defs)
# no quotes around prefix (spack doesn't use a shell)
make('install', "PREFIX=%s" % prefix, *make_defs)
# Blas virtual package should provide blas.a and libblas.a
with working_dir(prefix.lib):
symlink('libopenblas.a', 'blas.a')
symlink('libopenblas.a', 'libblas.a')
if '+shared' in spec:
symlink('libopenblas.%s' % dso_suffix,
'libblas.%s' % dso_suffix)
# Lapack virtual package should provide liblapack.a
with working_dir(prefix.lib):
symlink('libopenblas.a', 'liblapack.a')
if '+shared' in spec:
symlink('libopenblas.%s' % dso_suffix,
'liblapack.%s' % dso_suffix)
# Openblas may pass its own test but still fail to compile Lapack
# symbols. To make sure we get working Blas and Lapack, do a small
# test.
self.check_install(spec)
def setup_dependent_package(self, module, dspec):
# This is WIP for a prototype interface for virtual packages.
# We can update this as more builds start depending on BLAS/LAPACK.
libdir = find_library_path('libopenblas.a',
self.prefix.lib64,
self.prefix.lib)
self.spec.blas_static_lib = join_path(libdir, 'libopenblas.a')
self.spec.lapack_static_lib = self.spec.blas_static_lib
if '+shared' in self.spec:
self.spec.blas_shared_lib = join_path(libdir, 'libopenblas.%s' %
dso_suffix)
self.spec.lapack_shared_lib = self.spec.blas_shared_lib
def check_install(self, spec):
source_file = join_path(os.path.dirname(self.module.__file__),
'test_cblas_dgemm.c')
blessed_file = join_path(os.path.dirname(self.module.__file__),
'test_cblas_dgemm.output')
include_flags = ["-I%s" % join_path(spec.prefix, "include")]
link_flags = ["-L%s" % join_path(spec.prefix, "lib"),
"-llapack",
"-lblas",
"-lpthread"]
if '+openmp' in spec:
link_flags.extend([self.compiler.openmp_flag])
output = compile_c_and_execute(source_file, include_flags, link_flags)
compare_output_file(output, blessed_file)
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