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# Copyright 2013-2020 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 NetlibLapack(CMakePackage):
"""LAPACK version 3.X is a comprehensive FORTRAN library that does
linear algebra operations including matrix inversions, least squared
solutions to linear sets of equations, eigenvector analysis, singular
value decomposition, etc. It is a very comprehensive and reputable
package that has found extensive use in the scientific community.
"""
homepage = "http://www.netlib.org/lapack/"
url = "http://www.netlib.org/lapack/lapack-3.5.0.tgz"
version('3.8.0', sha256='deb22cc4a6120bff72621155a9917f485f96ef8319ac074a7afbc68aab88bcf6',
url='http://www.netlib.org/lapack/lapack-3.8.0.tar.gz')
version('3.7.1', sha256='f6c53fd9f56932f3ddb3d5e24c1c07e4cd9b3b08e7f89de9c867125eecc9a1c8')
version('3.7.0', sha256='ed967e4307e986474ab02eb810eed1d1adc73f5e1e3bc78fb009f6fe766db3be')
version('3.6.1', sha256='888a50d787a9d828074db581c80b2d22bdb91435a673b1bf6cd6eb51aa50d1de')
version('3.6.0', sha256='a9a0082c918fe14e377bbd570057616768dca76cbdc713457d8199aaa233ffc3')
version('3.5.0', sha256='9ad8f0d3f3fb5521db49f2dd716463b8fb2b6bc9dc386a9956b8c6144f726352')
version('3.4.2', sha256='60a65daaf16ec315034675942618a2230521ea7adf85eea788ee54841072faf0')
version('3.4.1', sha256='93b910f94f6091a2e71b59809c4db4a14655db527cfc5821ade2e8c8ab75380f')
version('3.4.0', sha256='a7139ef97004d0e3c4c30f1c52d508fd7ae84b5fbaf0dd8e792c167dc306c3e9')
version('3.3.1', sha256='56821ab51c29369a34e5085728f92c549a9aa926f26acf7eeac87b61eed329e4')
variant('shared', default=True, description="Build shared library version")
variant('external-blas', default=False,
description='Build lapack with an external blas')
variant('lapacke', default=True,
description='Activates the build of the LAPACKE C interface')
variant('xblas', default=False,
description='Builds extended precision routines using XBLAS')
patch('ibm-xl.patch', when='@3.7: %xl')
patch('ibm-xl.patch', when='@3.7: %xl_r')
patch('ibm-xl.patch', when='@3.7: %cce@9:')
# https://github.com/Reference-LAPACK/lapack/issues/228
# TODO: update 'when' once the version of lapack
# containing the fix is released and added to Spack.
patch('undefined_declarations.patch', when='@3.8.0:')
# https://github.com/Reference-LAPACK/lapack/pull/268
# TODO: update 'when' once the version of lapack
# containing the fix is released and added to Spack.
patch('testing.patch', when='@3.7.0:')
# virtual dependency
provides('blas', when='~external-blas')
provides('lapack')
depends_on('blas', when='+external-blas')
depends_on('netlib-xblas+fortran+plain_blas', when='+xblas')
depends_on('python@2.7:', type='test')
# We need to run every phase twice in order to get static and shared
# versions of the libraries. When ~shared, we run the default
# implementations of the CMakePackage's phases and get only one building
# directory 'spack-build-static' with -DBUILD_SHARED_LIBS:BOOL=OFF (see
# implementations of self.build_directory and self.cmake_args() below).
# When +shared, we run the overridden methods for the phases, each
# running the default implementation twice with different values for
# self._building_shared. As a result, we get two building directories:
# 'spack-build-static' with -DBUILD_SHARED_LIBS:BOOL=OFF and
# 'spack-build-shared' with -DBUILD_SHARED_LIBS:BOOL=ON.
_building_shared = False
def patch(self):
# Fix cblas CMakeLists.txt -- has wrong case for subdirectory name.
if self.spec.satisfies('@3.6.0:'):
filter_file(
'${CMAKE_CURRENT_SOURCE_DIR}/CMAKE/',
'${CMAKE_CURRENT_SOURCE_DIR}/cmake/',
'CBLAS/CMakeLists.txt', string=True)
@property
def blas_libs(self):
shared = True if '+shared' in self.spec else False
query_parameters = self.spec.last_query.extra_parameters
query2libraries = {
tuple(): ['libblas'],
('c', 'fortran'): [
'libcblas',
'libblas',
],
('c',): [
'libcblas',
],
('fortran',): [
'libblas',
]
}
key = tuple(sorted(query_parameters))
libraries = query2libraries[key]
return find_libraries(
libraries, root=self.prefix, shared=shared, recursive=True
)
@property
def lapack_libs(self):
shared = True if '+shared' in self.spec else False
query_parameters = self.spec.last_query.extra_parameters
query2libraries = {
tuple(): ['liblapack'],
('c', 'fortran'): [
'liblapacke',
'liblapack',
],
('c',): [
'liblapacke',
],
('fortran',): [
'liblapack',
]
}
key = tuple(sorted(query_parameters))
libraries = query2libraries[key]
return find_libraries(
libraries, root=self.prefix, shared=shared, recursive=True
)
@property
def headers(self):
include_dir = self.spec.prefix.include
cblas_h = join_path(include_dir, 'cblas.h')
lapacke_h = join_path(include_dir, 'lapacke.h')
return HeaderList([cblas_h, lapacke_h])
@property
def build_directory(self):
return join_path(self.stage.source_path,
'spack-build-shared' if self._building_shared
else 'spack-build-static')
def cmake_args(self):
args = ['-DBUILD_SHARED_LIBS:BOOL=' +
('ON' if self._building_shared else 'OFF')]
if self.spec.satisfies('+lapacke'):
args.extend(['-DLAPACKE:BOOL=ON', '-DLAPACKE_WITH_TMG:BOOL=ON'])
else:
args.extend(['-DLAPACKE:BOOL=OFF', '-DLAPACKE_WITH_TMG:BOOL=OFF'])
if self.spec.satisfies('@3.6.0:'):
args.append('-DCBLAS=ON') # always build CBLAS
if self.spec.satisfies('%intel'):
# Intel compiler finds serious syntax issues when trying to
# build CBLAS and LapackE
args.extend(['-DCBLAS=OFF', '-DLAPACKE:BOOL=OFF'])
if self.spec.satisfies('%xl') or self.spec.satisfies('%xl_r'):
# use F77 compiler if IBM XL
args.extend(['-DCMAKE_Fortran_COMPILER=' + self.compiler.f77,
'-DCMAKE_Fortran_FLAGS=' +
(' '.join(self.spec.compiler_flags['fflags'])) +
" -O3 -qnohot"])
# deprecated routines are commonly needed by, for example, suitesparse
# Note that OpenBLAS spack is built with deprecated routines
args.append('-DBUILD_DEPRECATED:BOOL=ON')
if self.spec.satisfies('+external-blas'):
args.extend(['-DUSE_OPTIMIZED_BLAS:BOOL=ON',
'-DBLAS_LIBRARIES:PATH=' +
self.spec['blas'].libs.joined(';')])
if self.spec.satisfies('+xblas'):
args.extend(['-DXBLAS_INCLUDE_DIR=' +
self.spec['netlib-xblas'].prefix.include,
'-DXBLAS_LIBRARY=' +
self.spec['netlib-xblas'].libs.joined(';')])
args.append('-DBUILD_TESTING:BOOL=' +
('ON' if self.run_tests else 'OFF'))
return args
# Build, install, and check both static and shared versions of the
# libraries when +shared
@when('+shared')
def cmake(self, spec, prefix):
for self._building_shared in (False, True):
super(NetlibLapack, self).cmake(spec, prefix)
@when('+shared')
def build(self, spec, prefix):
for self._building_shared in (False, True):
super(NetlibLapack, self).build(spec, prefix)
@when('+shared')
def install(self, spec, prefix):
for self._building_shared in (False, True):
super(NetlibLapack, self).install(spec, prefix)
@when('+shared')
def check(self):
for self._building_shared in (False, True):
super(NetlibLapack, self).check()
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