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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 *
from spack.package_test import compare_output_file, compile_c_and_execute
class Pocl(CMakePackage):
"""Portable Computing Language (pocl) is an open source implementation
of the OpenCL standard which can be easily adapted for new targets
and devices, both for homogeneous CPU and heterogeneous
GPUs/accelerators."""
homepage = "http://portablecl.org"
url = "https://github.com/pocl/pocl/archive/v1.1.tar.gz"
git = "https://github.com/pocl/pocl.git"
version("master", branch="master")
version("3.0", sha256="a3fd3889ef7854b90b8e4c7899c5de48b7494bf770e39fba5ad268a5cbcc719d")
version("1.8", sha256="0f63377ae1826e16e90038fc8e7f65029be4ff6f9b059f6907174b5c0d1f8ab2")
version("1.7", sha256="5f6bbc391ba144bc7becc3b90888b25468460d5aa6830f63a3b066137e7bfac3")
version("1.6", sha256="b0a4c0c056371b6f0db726b88fbb76bbee94948fb2abd4dbc8d958f7c42f766c")
version("1.5", sha256="4fcf4618171727d165fc044d465a66e3119217bb4577a97374f94fcd8aed330e")
version("1.4", sha256="ec237faa83bb1c803fbdf7c6e83d8a2ad68b6f0ed1879c3aa16c0e1dcc478742")
version("1.3", sha256="6527e3f47fab7c21e96bc757c4ae3303901f35e23f64642d6da5cc4c4fcc915a")
version("1.2", sha256="0c43e68f336892f3a64cba19beb99d9212f529bedb77f7879c0331450b982d46")
version("1.1", sha256="1e8dd0693a88c84937754df947b202871a40545b1b0a97ebefa370b0281c3c53")
version("1.0", sha256="94bd86a2f9847c03e6c3bf8dca12af3734f8b272ffeacbc3fa8fcca58844b1d4")
conflicts("@:1.5", when="target=a64fx", msg="a64fx is supported by pocl v1.6 and above.")
# < 3.0 provided full OpenCL 1.2 support and some intermediate level of
# OpenCL 2.0 support. >= 3.0 provides full OpenCL 3.0 support when using
# llvm >= 14.
provides("opencl@2.0", when="^llvm@:13")
provides("opencl@3.0", when="@3: ^llvm@14:")
depends_on("cmake @2.8.12:", type="build")
depends_on("hwloc")
depends_on("hwloc@:1", when="@:1.1")
depends_on("libtool", type=("build", "link", "run"))
depends_on("pkgconfig", type="build")
depends_on("llvm +clang")
depends_on("llvm @14:15", when="@master")
depends_on("llvm @13:14", when="@3.0")
depends_on("llvm @12:13", when="@1.8")
depends_on("llvm @11:12", when="@1.7")
depends_on("llvm @10:11", when="@1.6")
depends_on("llvm @9:10", when="@1.5")
depends_on("llvm @8:9", when="@1.4")
depends_on("llvm @7:8", when="@1.3")
depends_on("llvm @6:7", when="@1.2")
depends_on("llvm @5:6", when="@1.1")
depends_on("llvm @4:5", when="@1.0")
variant(
"distro",
default=False,
description=(
"Support several CPU architectures, "
"suitable e.g. in a build "
"that will be made available for download"
),
)
variant("icd", default=False, description="Support a system-wide ICD loader")
depends_on("ocl-icd", when="+icd")
def url_for_version(self, version):
if version >= Version("1.0"):
url = "https://github.com/pocl/pocl/archive/v{0}.tar.gz"
else:
url = "http://portablecl.org/downloads/pocl-{0}.tar.gz"
return url.format(version.up_to(2))
def cmake_args(self):
args = [
self.define("INSTALL_OPENCL_HEADERS", True),
self.define("ENABLE_LLVM", True),
self.define("STATIC_LLVM", True),
self.define_from_variant("ENABLE_ICD", "icd"),
]
if "+distro" in self.spec:
args.append(self.define("KERNELLIB_HOST_CPU_VARIANTS", "distro"))
return args
@run_after("install")
def symlink_opencl(self):
os.symlink("CL", self.prefix.include.OpenCL)
@run_after("install")
@on_package_attributes(run_tests=True)
def check_install(self):
# Build and run a small program to test the installed OpenCL library
spec = self.spec
print("Checking pocl installation...")
checkdir = "spack-check"
with working_dir(checkdir, create=True):
source = join_path(os.path.dirname(self.module.__file__), "example1.c")
cflags = spec["pocl"].headers.cpp_flags.split()
# ldflags = spec["pocl"].libs.ld_flags.split()
ldflags = ["-L%s" % spec["pocl"].prefix.lib, "-lOpenCL", "-lpoclu"]
output = compile_c_and_execute(source, cflags, ldflags)
compare_output_file(
output, join_path(os.path.dirname(self.module.__file__), "example1.out")
)
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