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