spack/var/spack/repos/builtin/packages/libflame/package.py
2021-03-16 10:03:32 +00:00

132 lines
4.7 KiB
Python

# Copyright 2013-2021 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 LibflameBase(AutotoolsPackage):
"""Base class for building Libflame, shared with the AMD
optimized version of the library in the 'libflame' package"""
provides('lapack', when='+lapack2flame')
variant('lapack2flame', default=True,
description='Map legacy LAPACK routine invocations'
' to their corresponding native C implementations'
' in libflame.')
variant('threads', default='none',
description='Multithreading support',
values=('pthreads', 'openmp', 'none'),
multi=False)
variant('static', default=True,
description='Build static library')
variant('shared', default=True,
description='Build shared library')
variant('debug', default=False,
description='Build with debugging support')
# TODO: Libflame prefers to defer to an external
# LAPACK library for small problems. Is this to be
# implemented in spack?
# Libflame has a secondary dependency on BLAS:
# https://github.com/flame/libflame/issues/24
depends_on('blas')
# There is a known issue with the makefile:
# https://groups.google.com/forum/#!topic/libflame-discuss/lQKEfjyudOY
patch('Makefile_5.1.0.patch', when='@5.1.0')
# Problems with permissions on installed libraries:
# https://github.com/flame/libflame/issues/24
patch('Makefile_5.2.0.patch', when='@5.2.0')
# Problems building on macOS:
# https://github.com/flame/libflame/issues/23
patch('Makefile_5.2.0_darwin.patch', when='@5.2.0')
def flag_handler(self, name, flags):
# -std=gnu99 at least required, old versions of GCC default to -std=c90
if self.spec.satisfies('%gcc@:5.1') and name == 'cflags':
flags.append('-std=gnu99')
return (flags, None, None)
def enable_or_disable_threads(self):
opt_val = self.spec.variants['threads'].value
if opt_val == 'none':
opt_val = 'no'
return ['--enable-multithreading={0}'.format(opt_val)]
def configure_args(self):
# Libflame has a secondary dependency on BLAS,
# but doesn't know which library name to expect:
# https://github.com/flame/libflame/issues/24
config_args = ['LIBS=' + self.spec['blas'].libs.link_flags]
if '+lapack2flame' in self.spec:
config_args.append("--enable-lapack2flame")
else:
config_args.append("--disable-lapack2flame")
if '+static' in self.spec:
config_args.append("--enable-static-build")
else:
config_args.append("--disable-static-build")
if '+shared' in self.spec:
config_args.append("--enable-dynamic-build")
else:
config_args.append("--disable-dynamic-build")
if '+debug' in self.spec:
config_args.append("--enable-debug")
else:
config_args.append("--disable-debug")
config_args.extend(self.enable_or_disable_threads())
if self.spec.variants['threads'].value != 'none':
config_args.append("--enable-supermatrix")
else:
config_args.append("--disable-supermatrix")
# https://github.com/flame/libflame/issues/21
config_args.append("--enable-max-arg-list-hack")
return config_args
@run_after('install')
def darwin_fix(self):
# The shared library is not installed correctly on Darwin; fix this
if self.spec.satisfies('platform=darwin'):
fix_darwin_install_name(self.prefix.lib)
class Libflame(LibflameBase):
"""libflame is a portable library for dense matrix computations,
providing much of the functionality present in LAPACK, developed
by current and former members of the Science of High-Performance
Computing (SHPC) group in the Institute for Computational
Engineering and Sciences at The University of Texas at Austin.
libflame includes a compatibility layer, lapack2flame, which
includes a complete LAPACK implementation."""
homepage = "https://www.cs.utexas.edu/~flame/web/libFLAME.html"
url = "https://github.com/flame/libflame/archive/5.1.0.tar.gz"
git = "https://github.com/flame/libflame.git"
version('master', branch='master')
version('5.2.0', sha256='997c860f351a5c7aaed8deec00f502167599288fd0559c92d5bfd77d0b4d475c')
version('5.1.0', sha256='e7189b750890bd781fe773f366b374518dd1d89a6513d3d6261bf549826384d1')
provides('flame@5.2', when='@5.2.0')
provides('flame@5.1', when='@5.1.0')
depends_on('python', type='build')