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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)
import glob
import os
import sys
from spack.package import *
class Verrou(AutotoolsPackage):
"""A floating-point error checker.
Verrou helps you look for floating-point round-off errors in programs. It
implements a stochastic floating-point arithmetic based on random rounding:
all floating-point operations are perturbed by randomly switching rounding
modes. This can be seen as an asynchronous variant of the CESTAC method, or
a subset of Monte Carlo Arithmetic, performing only output randomization
through random rounding.
"""
homepage = "https://github.com/edf-hpc/verrou"
url = "https://github.com/edf-hpc/verrou/archive/v2.0.0.tar.gz"
git = "https://github.com/edf-hpc/verrou.git"
maintainers("HadrienG2")
license("GPL-2.0-only")
version("develop", branch="master")
version("2.2.0", sha256="d4ea3d19f0c61329723907b5b145d85776bb702643c1605a31f584484d2c5efc")
version("2.1.0", sha256="b1ba49f84aebab15b8ab5649946c9c31b53ad1499f6ffb681c98db41ed28566d")
# The server is sometimes a bit slow to respond
timeout = {"timeout": 60}
resource(
name="valgrind-3.15.0",
url="https://sourceware.org/pub/valgrind/valgrind-3.15.0.tar.bz2",
sha256="417c7a9da8f60dd05698b3a7bc6002e4ef996f14c13f0ff96679a16873e78ab1",
when="@2.2.0:",
fetch_options=timeout,
)
resource(
name="valgrind-3.14.0",
url="https://sourceware.org/pub/valgrind/valgrind-3.14.0.tar.bz2",
sha256="037c11bfefd477cc6e9ebe8f193bb237fe397f7ce791b4a4ce3fa1c6a520baa5",
when="@2.1.0:2.1",
fetch_options=timeout,
)
resource(
name="valgrind-3.13.0",
url="https://sourceware.org/pub/valgrind/valgrind-3.13.0.tar.bz2",
sha256="d76680ef03f00cd5e970bbdcd4e57fb1f6df7d2e2c071635ef2be74790190c3b",
when="@1.1.0:2.0",
fetch_options=timeout,
)
variant("fma", default=True, description="Activates fused multiply-add support for Verrou")
depends_on("autoconf", type="build")
depends_on("automake", type="build")
depends_on("libtool", type="build")
depends_on("m4", type="build")
depends_on("python@3.0:", type=("build", "run"))
extends("python")
def patch(self):
# We start with the verrou source tree and a "valgrind-x.y.z" subdir.
# But we actually need a valgrind source tree with a "verrou" subdir.
# First, let's locate the valgrind sources...
valgrind_dirs = glob.glob("valgrind-*")
assert len(valgrind_dirs) == 1
valgrind_dir = valgrind_dirs[0]
# ...then we can flip the directory organization around
verrou_files = os.listdir(".")
verrou_files.remove(valgrind_dir)
os.mkdir("verrou")
for name in verrou_files:
os.rename(name, os.path.join("verrou", name))
for name in os.listdir(valgrind_dir):
os.rename(os.path.join(valgrind_dir, name), name)
os.rmdir(valgrind_dir)
# Once this is done, we can patch valgrind
if self.spec.satisfies("@:2.0"):
which("patch")("-p0", "--input=verrou/valgrind.diff")
else:
which("patch")("-p1", "--input=verrou/valgrind.diff")
# Autogenerated perl path may be too long, need to fix this here
# because these files are used during the build.
for link_tool_in in glob.glob("coregrind/link_tool_exe_*.in"):
filter_file("^#! @PERL@", "#! /usr/bin/env perl", link_tool_in)
def autoreconf(self, spec, prefix):
# Needed because we patched valgrind
which("bash")("autogen.sh")
def configure_args(self):
spec = self.spec
options = [
"--enable-only64bit",
"--{0}able-verrou-fma".format("en" if "+fma" in spec else "dis"),
]
if sys.platform == "darwin":
options.append("--build=amd64-darwin")
return options
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