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# Copyright 2013-2022 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 Libffi(AutotoolsPackage):
"""The libffi library provides a portable, high level programming
interface to various calling conventions. This allows a programmer
to call any function specified by a call interface description at
run time."""
homepage = "https://sourceware.org/libffi/"
url = "https://github.com/libffi/libffi/releases/download/v3.4.2/libffi-3.4.2.tar.gz"
version('3.4.2', sha256='540fb721619a6aba3bdeef7d940d8e9e0e6d2c193595bc243241b77ff9e93620')
version('3.3', url='https://sourceware.org/pub/libffi/libffi-3.3.tar.gz', sha256='72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056')
version('3.2.1', url='https://sourceware.org/pub/libffi/libffi-3.2.1.tar.gz', sha256='d06ebb8e1d9a22d19e38d63fdb83954253f39bedc5d46232a05645685722ca37')
patch('clang-powerpc-3.2.1.patch', when='@3.2.1%clang platform=linux')
# ref.: https://github.com/libffi/libffi/pull/561
patch('powerpc-3.3.patch', when='@3.3')
@property
def headers(self):
# The headers are probably in self.prefix.lib but we search everywhere
return find_headers('ffi', self.prefix, recursive=True)
def configure_args(self):
args = []
if self.spec.version >= Version('3.3'):
# Spack adds its own target flags, so tell libffi not to
# second-guess us
args.append('--without-gcc-arch')
# At the moment, build scripts accept 'aarch64-apple-darwin'
# but not 'arm64-apple-darwin'.
# See: https://github.com/libffi/libffi/issues/571
if self.spec.satisfies('platform=darwin target=aarch64:'):
args.append('--build=aarch64-apple-darwin')
return args
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