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# 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 Libunwind(AutotoolsPackage):
"""A portable and efficient C programming interface (API) to determine
the call-chain of a program."""
homepage = "https://www.nongnu.org/libunwind/"
url = "http://download.savannah.gnu.org/releases/libunwind/libunwind-1.1.tar.gz"
git = "https://github.com/libunwind/libunwind"
maintainers = ['mwkrentel']
version('master', branch='master')
version('1.5-head', branch='v1.5-stable')
version('1.5.0', sha256='90337653d92d4a13de590781371c604f9031cdb50520366aa1e3a91e1efb1017')
version('1.4.0', sha256='df59c931bd4d7ebfd83ee481c943edf015138089b8e50abed8d9c57ba9338435')
version('1.3.1', sha256='43997a3939b6ccdf2f669b50fdb8a4d3205374728c2923ddc2354c65260214f8')
version('1.2.1', sha256='3f3ecb90e28cbe53fba7a4a27ccce7aad188d3210bb1964a923a731a27a75acb')
version('1.1', sha256='9dfe0fcae2a866de9d3942c66995e4b460230446887dbdab302d41a8aee8d09a')
variant('pic', default=False,
description='Compile with position independent code.')
variant('xz', default=False,
description='Support xz (lzma) compressed symbol tables.')
variant('zlib', default=False,
description='Support zlib compressed symbol tables '
'(1.5 and later).')
# The libunwind releases contain the autotools generated files,
# but the git repo snapshots do not.
depends_on('autoconf', type='build', when='@master,1.5-head')
depends_on('automake', type='build', when='@master,1.5-head')
depends_on('libtool', type='build', when='@master,1.5-head')
depends_on('m4', type='build', when='@master,1.5-head')
depends_on('xz', type='link', when='+xz')
depends_on('zlib', type='link', when='+zlib')
conflicts('platform=darwin',
msg='Non-GNU libunwind needs ELF libraries Darwin does not have')
provides('unwind')
def flag_handler(self, name, flags):
wrapper_flags = []
if name == 'cflags':
# https://github.com/libunwind/libunwind/pull/166
if (self.spec.satisfies('@:1.4 %gcc@10:') or
self.spec.satisfies('@:1.4 %cce@11:') or
self.spec.satisfies('@:1.4 %clang@11:')):
wrapper_flags.append('-fcommon')
if '+pic' in self.spec:
wrapper_flags.append(self.compiler.cc_pic_flag)
return (wrapper_flags, None, flags)
def configure_args(self):
spec = self.spec
args = []
if '+xz' in spec:
args.append('--enable-minidebuginfo')
else:
args.append('--disable-minidebuginfo')
# zlib support is available in 1.5.x and later
if spec.satisfies('@1.5:'):
if '+zlib' in spec:
args.append('--enable-zlibdebuginfo')
else:
args.append('--disable-zlibdebuginfo')
return args
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