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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)
import os
import sys
from spack import *
# Only build certain parts of dwarf because the other ones break.
dwarf_dirs = ['libdwarf', 'dwarfdump2']
class Libdwarf(Package):
"""The DWARF Debugging Information Format is of interest to
programmers working on compilers and debuggers (and any one
interested in reading or writing DWARF information). It was
developed by a committee (known as the PLSIG at the time)
starting around 1991. Starting around 1991 SGI developed the
libdwarf and dwarfdump tools for internal use and as part of
SGI IRIX developer tools. Since that time dwarfdump and
libdwarf have been shipped (as an executable and archive
respectively, not source) with every release of the SGI
MIPS/IRIX C compiler."""
homepage = "https://www.prevanders.net/dwarf.html"
url = "http://www.prevanders.net/libdwarf-20160507.tar.gz"
list_url = homepage
version('20180129', sha256='8bd91b57064b0c14ade5a009d3a1ce819f1b6ec0e189fc876eb8f42a8720d8a6')
version('20160507', sha256='12ae39376e3915bf8fa92555989f3ad5f2f4f332b590a628541ce68987b337af')
version('20130729', sha256='b6455d8616baf2883e2af91f006d6cbd583128fdfff46e3d1fae460bc223bb7b')
version('20130207', sha256='5cb81459f0a1f6a2a10ef4635faddc2fa5e1a9e36901018c017759e491e708b8')
version('20130126', sha256='c23c847935f8612f4fcdcfa0b3311f1553dcbd95bb683d3d5e030440201192fe')
depends_on("elfutils@0.163", when='@20160507', type='link')
depends_on("elf", type='link')
depends_on('zlib', type='link')
parallel = False
def patch(self):
filter_file(r'^typedef struct Elf Elf;$', '', 'libdwarf/libdwarf.h.in')
def install(self, spec, prefix):
# dwarf build does not set arguments for ar properly
make.add_default_arg('ARFLAGS=rcs')
# Dwarf doesn't provide an install, so we have to do it.
mkdirp(prefix.bin, prefix.include, prefix.lib, prefix.man.man1)
with working_dir('libdwarf'):
extra_config_args = []
# this is to prevent picking up system /usr/include/libelf.h
if spec.satisfies('^libelf'):
libelf_inc_dir = join_path(spec['libelf'].prefix,
'include/libelf')
extra_config_args.append(
'CFLAGS=-I{0} -Wl,-L{1} -Wl,-lelf'.format(
libelf_inc_dir, spec['libelf'].prefix.lib))
configure("--prefix=" + prefix, "--enable-shared",
*extra_config_args)
filter_file(r'^dwfzlib\s*=\s*-lz',
'dwfzlib=-L{0} -lz'.format(
self.spec['zlib'].prefix.lib),
'Makefile')
make()
libdwarf_name = 'libdwarf.{0}'.format(dso_suffix)
libdwarf1_name = 'libdwarf.{0}'.format(dso_suffix) + ".1"
install('libdwarf.a', prefix.lib)
install('libdwarf.so', join_path(prefix.lib, libdwarf1_name))
if spec.satisfies('@20160507:'):
with working_dir(prefix.lib):
os.symlink(libdwarf1_name, libdwarf_name)
install('libdwarf.h', prefix.include)
install('dwarf.h', prefix.include)
# It seems like fix_darwin_install_name can't be used
# here directly; the install name of the library in
# the stage directory must be fixed in order for dyld
# to locate it on Darwin when spack builds dwarfdump
if sys.platform == 'darwin':
install_name_tool = which('install_name_tool')
install_name_tool('-id',
join_path('..', 'libdwarf',
'libdwarf.so'),
'libdwarf.so')
if spec.satisfies('@20130126:20130729'):
dwarfdump_dir = 'dwarfdump2'
else:
dwarfdump_dir = 'dwarfdump'
with working_dir(dwarfdump_dir):
configure("--prefix=" + prefix)
filter_file(r'^dwfzlib\s*=\s*-lz',
'dwfzlib=-L{0} -lz'.format(
self.spec['zlib'].prefix.lib),
'Makefile')
# This makefile has strings of copy commands that
# cause a race in parallel
make(parallel=False)
install('dwarfdump', prefix.bin)
install('dwarfdump.conf', prefix.lib)
install('dwarfdump.1', prefix.man.man1)
@run_after('install')
def darwin_fix(self):
if sys.platform == 'darwin':
fix_darwin_install_name(self.prefix.lib)
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