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# Copyright 2013-2023 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 os
from spack.package import *
class Dpcpp(CMakePackage):
"""Data Parallel C++ compiler: Intel's implementation of SYCL programming model"""
homepage = "https://intel.github.io/llvm-docs/"
git = "https://github.com/intel/llvm.git"
license("Apache-2.0")
version("develop", branch="sycl")
version("2021.09", commit="bd68232bb96386bf7649345c0557ba520e73c02d")
version("2021.12", commit="27f59d8906fcc8aece7ff6aa570ccdee52168c2d")
maintainers("ravil-mobile")
variant("cuda", default=False, description="switch from OpenCL to CUDA")
variant("rocm", default=False, description="switch from OpenCL to ROCm")
variant(
"rocm-platform",
default="AMD",
values=("AMD", "NVIDIA"),
multi=False,
description="choose ROCm backend",
)
variant("openmp", default=False, description="build with OpenMP without target offloading")
variant("esimd-cpu", default=False, description="build with ESIMD_CPU support")
variant("assertions", default=False, description="build with assertions")
variant("docs", default=False, description="build Doxygen documentation")
variant("werror", default=False, description="treat warnings as errors")
variant("shared", default=False, description="build shared libraries")
variant("remangle_libclc", default=True, description="remangle libclc gen. variants")
variant("lld", default=False, description="use LLD linker for build")
depends_on("cmake@3.16.2:", type="build")
depends_on("ninja@1.10.0:", type="build")
depends_on("cuda@10.2.0:11.4.999", when="+cuda")
# NOTE: AMD HIP needs to be tested; it will be done in the next update
# depends_on('cuda@10.2.0:10.2.999', when='rocm-platform=NVIDIA', type='build')
# depends_on('hip@4.0.0:', when='+rocm', type='build')
root_cmakelists_dir = "llvm"
def cmake_args(self):
llvm_external_projects = "sycl;llvm-spirv;opencl;libdevice;xpti;xptifw"
if "+openmp" in self.spec:
llvm_external_projects += ";openmp"
sycl_dir = os.path.join(self.stage.source_path, "sycl")
spirv_dir = os.path.join(self.stage.source_path, "llvm-spirv")
xpti_dir = os.path.join(self.stage.source_path, "xpti")
xptifw_dir = os.path.join(self.stage.source_path, "xptifw")
libdevice_dir = os.path.join(self.stage.source_path, "libdevice")
llvm_enable_projects = "clang;" + llvm_external_projects
libclc_targets_to_build = ""
sycl_build_pi_rocm_platform = self.spec.variants["rocm-platform"].value
if self.spec.satisfies("target=x86_64:"):
llvm_targets_to_build = "X86"
elif self.spec.satisfies("target=aarch64:"):
llvm_targets_to_build = "ARM;AArch64"
else:
raise InstallError(
"target is not supported. " "This package only works on x86_64 or aarch64"
)
is_cuda = "+cuda" in self.spec
is_rocm = "+rocm" in self.spec
if is_cuda or is_rocm:
llvm_enable_projects += ";libclc"
if is_cuda:
llvm_targets_to_build += ";NVPTX"
libclc_targets_to_build = "nvptx64--;nvptx64--nvidiacl"
if is_rocm:
if sycl_build_pi_rocm_platform == "AMD":
llvm_targets_to_build += ";AMDGPU"
libclc_targets_to_build += ";amdgcn--;amdgcn--amdhsa"
elif sycl_build_pi_rocm_platform and not is_cuda:
llvm_targets_to_build += ";NVPTX"
libclc_targets_to_build += ";nvptx64--;nvptx64--nvidiacl"
args = [
self.define_from_variant("LLVM_ENABLE_ASSERTIONS", "assertions"),
self.define("LLVM_TARGETS_TO_BUILD", llvm_targets_to_build),
self.define("LLVM_EXTERNAL_PROJECTS", llvm_external_projects),
self.define("LLVM_EXTERNAL_SYCL_SOURCE_DIR", sycl_dir),
self.define("LLVM_EXTERNAL_LLVM_SPIRV_SOURCE_DIR", spirv_dir),
self.define("LLVM_EXTERNAL_XPTI_SOURCE_DIR", xpti_dir),
self.define("XPTI_SOURCE_DIR", xpti_dir),
self.define("LLVM_EXTERNAL_XPTIFW_SOURCE_DIR", xptifw_dir),
self.define("LLVM_EXTERNAL_LIBDEVICE_SOURCE_DIR", libdevice_dir),
self.define("LLVM_ENABLE_PROJECTS", llvm_enable_projects),
self.define("LIBCLC_TARGETS_TO_BUILD", libclc_targets_to_build),
self.define_from_variant("SYCL_BUILD_PI_CUDA", "cuda"),
self.define_from_variant("SYCL_BUILD_PI_ROCM", "rocm"),
self.define("SYCL_BUILD_PI_ROCM_PLATFORM", sycl_build_pi_rocm_platform),
self.define("LLVM_BUILD_TOOLS", True),
self.define_from_variant("SYCL_ENABLE_WERROR", "werror"),
self.define("SYCL_INCLUDE_TESTS", True),
self.define_from_variant("LIBCLC_GENERATE_REMANGLED_VARIANTS", "remangle_libclc"),
self.define_from_variant("LLVM_ENABLE_DOXYGEN", "docs"),
self.define_from_variant("LLVM_ENABLE_SPHINX", "docs"),
self.define_from_variant("BUILD_SHARED_LIBS", "shared"),
self.define("SYCL_ENABLE_XPTI_TRACING", "ON"),
self.define_from_variant("LLVM_ENABLE_LLD", "lld"),
self.define_from_variant("SYCL_BUILD_PI_ESIMD_CPU", "esimd-cpu"),
]
if is_cuda or (is_rocm and sycl_build_pi_rocm_platform == "NVIDIA"):
args.append(self.define("CUDA_TOOLKIT_ROOT_DIR", self.spec["cuda"].prefix))
if "+openmp" in self.spec:
omp_dir = os.path.join(self.stage.source_path, "openmp")
args.extend(
[
self.define("LLVM_EXTERNAL_OPENMP_SOURCE_DIR", omp_dir),
self.define("OPENMP_ENABLE_LIBOMPTARGET", False),
]
)
if self.compiler.name == "gcc":
gcc_prefix = ancestor(self.compiler.cc, 2)
args.append(self.define("GCC_INSTALL_PREFIX", gcc_prefix))
return args
def setup_build_environment(self, env):
if "+cuda" in self.spec:
env.set("CUDA_LIB_PATH", "{0}/lib64/stubs".format(self.spec["cuda"].prefix))
@run_after("install")
def post_install(self):
clang_cpp_path = os.path.join(self.spec.prefix.bin, "clang++")
dpcpp_path = os.path.join(self.spec.prefix.bin, "dpcpp")
real_clang_cpp_path = os.path.realpath(clang_cpp_path)
os.symlink(real_clang_cpp_path, dpcpp_path)
def setup_run_environment(self, env):
bin_path = self.spec.prefix.bin
for env_var_name, compiler in zip(["CC", "CXX"], ["clang", "clang++"]):
env.set(env_var_name, os.path.join(bin_path, compiler))
include_env_vars = ["C_INCLUDE_PATH", "CPLUS_INCLUDE_PATH", "INCLUDE"]
for var in include_env_vars:
env.prepend_path(var, self.prefix.include)
env.prepend_path(var, self.prefix.include.sycl)
sycl_build_pi_rocm_platform = self.spec.variants["rocm-platform"].value
if "+cuda" in self.spec or sycl_build_pi_rocm_platform == "NVIDIA":
env.prepend_path("PATH", self.spec["cuda"].prefix.bin)
env.set("CUDA_TOOLKIT_ROOT_DIR", self.spec["cuda"].prefix)
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