63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
# Copyright 2013-2020 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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import sys
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class Veclibfort(Package):
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"""Lightweight but flexible shim designed to rectify the incompatibilities
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between the Accelerate/vecLib BLAS and LAPACK libraries shipped with macOS
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and FORTRAN code compiled with modern compilers such as GNU Fortran."""
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homepage = "https://github.com/mcg1969/vecLibFort"
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url = "https://github.com/mcg1969/vecLibFort/archive/0.4.2.tar.gz"
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git = "https://github.com/mcg1969/vecLibFort.git"
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version('develop', branch='master')
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version('0.4.2', sha256='c61316632bffa1c76e3c7f92b11c9def4b6f41973ecf9e124d68de6ae37fbc85')
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variant('shared', default=True,
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description="Build shared libraries as well as static libs.")
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# virtual dependency
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provides('blas')
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provides('lapack')
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@property
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def libs(self):
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shared = True if '+shared' in self.spec else False
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return find_libraries(
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'libvecLibFort', root=self.prefix, shared=shared, recursive=True
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)
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@property
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def headers(self):
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# veclibfort does not come with any headers. Return an empty list
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# to avoid `spec['blas'].headers` from crashing.
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return HeaderList([])
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def install(self, spec, prefix):
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if sys.platform != 'darwin':
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raise InstallError('vecLibFort can be installed on macOS only')
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filter_file(r'^PREFIX=.*', '', 'Makefile')
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make_args = []
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if spec.satisfies('%gcc@6:'):
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make_args += ['CFLAGS=-flax-vector-conversions']
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make_args += ['PREFIX=%s' % prefix, 'install']
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make(*make_args)
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# test
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fc = which('fc')
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flags = ['-o', 'tester', '-O', 'tester.f90']
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flags.extend(spec['veclibfort'].libs.ld_flags.split())
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fc(*flags)
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Executable('./tester')()
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