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# Copyright 2013-2018 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 Vtkm(Package):
"""VTK-m is a toolkit of scientific visualization algorithms for emerging
processor architectures. VTK-m supports the fine-grained concurrency for
data analysis and visualization algorithms required to drive extreme scale
computing by providing abstract models for data and execution that can be
applied to a variety of algorithms across many different processor
architectures."""
homepage = "https://m.vtk.org/"
url = "https://gitlab.kitware.com/api/v4/projects/vtk%2Fvtk-m/repository/archive.tar.gz?sha=v1.1.0"
git = "https://gitlab.kitware.com/vtk/vtk-m.git"
version('master', branch='master')
version('1.1.0', "6aab1c0885f6ffaaffcf07930873d0df")
variant("cuda", default=False, description="build cuda support")
variant("tbb", default=True, description="build TBB support")
depends_on("cmake")
depends_on("tbb", when="+tbb")
depends_on("cuda", when="+cuda")
def install(self, spec, prefix):
with working_dir('spack-build', create=True):
cmake_args = ["../",
"-DVTKm_ENABLE_TESTING=OFF",
"-DVTKm_BUILD_RENDERING=ON",
"-DVTKm_USE_64BIT_IDS=OFF",
"-DVTKm_USE_DOUBLE_PRECISION=ON"]
# tbb support
if "+tbb" in spec:
# vtk-m detectes tbb via TBB_ROOT env var
os.environ["TBB_ROOT"] = spec["tbb"].prefix
cmake_args.append("-DVTKm_ENABLE_TBB=ON")
# cuda support
if "+cuda" in spec:
cmake_args.append("-DVTKm_ENABLE_CUDA=ON")
# this fix is necessary if compiling platform has cuda, but
# no devices (this common for front end nodes on hpc clusters)
# we choose kepler as a lowest common denominator
cmake_args.append("-DVTKm_CUDA_Architecture=kepler")
# use release, instead of release with debug symbols b/c vtkm libs
# can overwhelm compilers with too many symbols
for arg in std_cmake_args:
if arg.count("CMAKE_BUILD_TYPE") == 0:
cmake_args.extend(std_cmake_args)
cmake_args.append("-DCMAKE_BUILD_TYPE=Release")
cmake(*cmake_args)
make()
make("install")
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