63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
# Copyright 2013-2022 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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import sys
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from spack.package import *
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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("0.4.3", sha256="fe9e7e0596bfb4aa713b2273b21e7d96c0d7a6453ee4b214a8a50050989d5586")
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version("0.4.2", sha256="c61316632bffa1c76e3c7f92b11c9def4b6f41973ecf9e124d68de6ae37fbc85")
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variant("shared", default=True, 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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# https://github.com/scipy/scipy/wiki/Dropping-support-for-Accelerate
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provides("lapack@3.2.1")
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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("libvecLibFort", root=self.prefix, shared=shared, recursive=True)
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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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