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# Copyright 2013-2024 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.package 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")
license("MIT")
version("master", branch="master")
version("1.6-stable", branch="v1.6-stable")
version("1.6.2", sha256="4a6aec666991fb45d0889c44aede8ad6eb108071c3554fcdff671f9c94794976")
version("1.5-stable", 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",
deprecated=True,
)
variant("docs", default=True, description="Build man page")
variant(
"libs",
default="shared,static",
values=("shared", "static"),
multi=True,
description="Build shared libs, static libs or both",
)
variant("pic", default=False, description="Compile with position independent code.")
variant("tests", default=True, description="Build tests")
variant(
"block_signals",
default=False,
description="Block signals before performing mutex operations",
)
variant(
"components",
values=any_combination_of("coredump", "ptrace", "setjump"),
description="Build specified libunwind libraries",
)
variant(
"conservative_checks",
default=False,
description="Validate all memory addresses before use",
)
variant("cxx_exceptions", default=False, description="Use libunwind to handle C++ exceptions")
variant("debug", default=False, description="Turn on debug support (slows down execution)")
variant(
"debug_frame", default=False, description='Load the ".debug_frame" section if available'
)
variant("weak_backtrace", default=True, description="Provide the weak 'backtrace' symbol")
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.
reconf_versions = "@master,1.5-stable,1.6-stable"
depends_on("autoconf", type="build", when=reconf_versions)
depends_on("automake", type="build", when=reconf_versions)
depends_on("libtool", type="build", when=reconf_versions)
depends_on("m4", type="build", when=reconf_versions)
depends_on("xz", type="link", when="+xz")
depends_on("zlib-api", 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 = []
args += self.enable_or_disable("documentation", variant="docs")
args += self.enable_or_disable("libs")
args += self.enable_or_disable("tests")
args += self.enable_or_disable("block-signals", variant="block_signals")
args += self.enable_or_disable("components")
args += self.enable_or_disable("conservative-checks", variant="conservative_checks")
args += self.enable_or_disable("cxx-exceptions", variant="cxx_exceptions")
args += self.enable_or_disable("debug")
args += self.enable_or_disable("debug-frame", variant="debug_frame")
args += self.enable_or_disable("minidebuginfo", variant="xz")
# building without weak backtrace symbol is possible in 1.5.x and later
if self.spec.satisfies("@1.5:"):
args += self.enable_or_disable("weak-backtrace", variant="weak_backtrace")
# zlib support is available in 1.5.x and later
if spec.satisfies("@1.5:"):
args += self.enable_or_disable("zlibdebuginfo", variant="zlib")
return args
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