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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 *
import os
class Amdlibm(SConsPackage):
"""AMD LibM is a software library containing a collection of basic math
functions optimized for x86-64 processor-based machines. It provides
many routines from the list of standard C99 math functions.
Applications can link into AMD LibM library and invoke math functions
instead of compiler's math functions for better accuracy and
performance."""
homepage = "https://developer.amd.com/amd-aocl/amd-math-library-libm/"
git = "https://github.com/amd/aocl-libm-ose.git"
maintainers = ["amd-toolchain-support"]
# If a user who doesn't specify a version
# amdlibm installed for commit ID:4033e02
# of master branch.
# To install amdlibm from latest master branch:
# spack install amdlibm ^amdlibm@master
version("3.0", branch="aocl-3.0")
version("2.2", commit="4033e022da428125747e118ccd6fdd9cee21c470")
variant("verbose", default=False,
description="Building with verbosity")
# Mandatory dependencies
depends_on("python@3.6.1:", type=("build", "run"))
depends_on("scons@3.1.2:", type=("build"))
depends_on("mpfr", type=("link"))
patch("0001-libm-ose-Scripts-cleanup-pyc-files.patch", when="@2.2")
patch("0002-libm-ose-prevent-log-v3.c-from-building.patch", when="@2.2")
conflicts("%gcc@:9.1.999", msg="Minimum required GCC version is 9.2.0")
def build_args(self, spec, prefix):
"""Setting build arguments for amdlibm """
args = ["--prefix={0}".format(prefix)]
if "%aocc" in spec:
args.append("--compiler=aocc")
# we are circumventing the use of
# Spacks compiler wrappers because
# SCons wipes out all environment variables.
args.append("CC={0}".format(self.compiler.cc))
args.append("CXX={0}".format(self.compiler.cxx))
if "+verbose" in spec:
args.append("verbose=1")
else:
args.append("verbose=0")
return args
install_args = build_args
@run_after('install')
def create_symlink(self):
"""Symbolic link for backward compatibility"""
with working_dir(self.prefix.lib):
os.symlink('libalm.a', 'libamdlibm.a')
os.symlink('libalm.so', 'libamdlibm.so')
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