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# Copyright 2013-2020 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 Embree(CMakePackage):
"""Intel Embree High Performance Ray Tracing Kernels"""
homepage = "https://embree.org"
url = "https://github.com/embree/embree/archive/v3.7.0.tar.gz"
maintainers = ['aumuell']
version('3.12.1', sha256='0c9e760b06e178197dd29c9a54f08ff7b184b0487b5ba8b8be058e219e23336e')
version('3.12.0', sha256='f3646977c45a9ece1fb0cfe107567adcc645b1c77c27b36572d0aa98b888190c')
version('3.11.0', sha256='2ccc365c00af4389aecc928135270aba7488e761c09d7ebbf1bf3e62731b147d')
version('3.10.0', sha256='f1f7237360165fb8859bf71ee5dd8caec1fe02d4d2f49e89c11d250afa067aff')
version('3.9.0', sha256='53855e2ceb639289b20448ae9deab991151aa5f0bc7f9cc02f2af4dd6199d5d1')
version('3.8.0', sha256='40cbc90640f63c318e109365d29aea00003e4bd14aaba8bb654fc1010ea5753a')
version('3.7.0', sha256='2b6300ebe30bb3d2c6e5f23112b4e21a25a384a49c5e3c35440aa6f3c8d9fe84')
# default to Release, as RelWithDebInfo creates a lot of overhead
variant('build_type', default='Release',
description='CMake build type',
values=('Debug', 'Release', 'RelWithDebInfo', 'MinSizeRel'))
variant('ispc', default=True, description='Enable ISPC support')
depends_on('ispc', when='+ispc', type='build')
depends_on('tbb')
def cmake_args(self):
spec = self.spec
args = []
args.append('-DBUILD_TESTING=OFF')
args.append('-DEMBREE_TUTORIALS=OFF')
args.append('-DEMBREE_IGNORE_CMAKE_CXX_FLAGS=ON')
if 'ispc' in spec:
args.append('-DEMBREE_ISPC_SUPPORT=ON')
else:
args.append('-DEMBREE_ISPC_SUPPORT=OFF')
# code selection and defines controlling namespace names are based on
# defines controlled by compiler flags, so disable ISAs below compiler
# flags chosen by spack
if spec.target >= 'nehalem':
args.append('-DEMBREE_ISA_SSE2=OFF')
else:
args.append('-DEMBREE_ISA_SSE2=ON')
if spec.target >= 'sandybridge':
args.append('-DEMBREE_ISA_SSE42=OFF')
else:
args.append('-DEMBREE_ISA_SSE42=ON')
if spec.target >= 'haswell':
args.append('-DEMBREE_ISA_AVX=OFF')
else:
args.append('-DEMBREE_ISA_AVX=ON')
if spec.target >= 'skylake_avx512':
args.append('-DEMBREE_ISA_AVX2=OFF')
else:
args.append('-DEMBREE_ISA_AVX2=ON')
args.append('-DEMBREE_ISA_AVX512SKX=ON')
return args
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