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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)
import os
from spack import *
from spack.package_test import compile_c_and_execute, compare_output_file
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('1.1', sha256='1e8dd0693a88c84937754df947b202871a40545b1b0a97ebefa370b0281c3c53')
version('1.0', sha256='94bd86a2f9847c03e6c3bf8dca12af3734f8b272ffeacbc3fa8fcca58844b1d4')
version('0.14', sha256='2127bf925a91fbbe3daf2f1bac0da5c8aceb16e2a9434977a3057eade974106a')
version('0.13', sha256='a17f37d8f26819c0c8efc6de2b57f67a0c8a81514fc9cd5005434e49d67499f9')
version('0.12', sha256='5160d7a59721e6a7d0fc85868381c0afceaa7c07b9956c9be1e3b51e80c29f76')
version('0.11', sha256='24bb801fb87d104b66faaa95d1890776fdeabb37ad1b12fb977281737c7f29bb')
version('0.10', sha256='e9c38f774a77e61f66d850b705a5ba42d49356c40e75733db4c4811e091e5088')
# This is Github's pocl/pocl#373
patch("uint.patch", when="@:0.13")
patch("vecmathlib.patch", when="@:0.13")
# Note: We should describe correctly which pocl versions provide
# which version of the OpenCL standard
# OpenCL standard versions are: 1.0, 1.1, 1.2, 2.0, 2.1, 2.2
provides('opencl@:2.0')
depends_on("cmake @2.8.12:", type="build")
depends_on("hwloc")
depends_on("hwloc@:1.99.99", when="@:1.1.99")
depends_on("libtool", type=("build", "link", "run"))
depends_on("pkgconfig", type="build")
# We don't request LLVM's shared libraries because these are not
# enabled by default, and also because they fail to build for us
# (see #1616)
# These are the supported LLVM versions
depends_on("llvm +clang @6.0:7.0", when="@master")
depends_on("llvm +clang @5.0:6.0", when="@1.1")
depends_on("llvm +clang @4.0:5.0", when="@1.0")
depends_on("llvm +clang @3.7:4.0", when="@0.14")
depends_on("llvm +clang @3.7:3.8", when="@0.13")
depends_on("llvm +clang @3.2:3.7", when="@0.12")
depends_on("llvm +clang @3.2:3.6", when="@0.11")
depends_on("llvm +clang @3.2:3.5", when="@0.10")
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")
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):
spec = self.spec
args = ["-DINSTALL_OPENCL_HEADERS=ON"]
if "~shared" in spec["llvm"]:
args += ["-DSTATIC_LLVM"]
if "+distro" in spec:
args += ["-DKERNELLIB_HOST_CPU_VARIANTS=distro"]
args += ["-DENABLE_ICD=%s" % ("ON" if "+icd" in spec else "OFF")]
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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