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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
LLVM_MAX_SLOT=16
inherit cmake llvm
DESCRIPTION="Portable Computing Language (an implementation of OpenCL)"
HOMEPAGE="http://portablecl.org https://github.com/pocl/pocl"
SRC_URI="https://github.com/pocl/pocl/archive/v${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 ppc64"
# TODO: hsa tce
IUSE="accel +conformance cuda debug examples float-conversion hardening +hwloc memmanager test"
# Tests not yet passing, fragile in Portage environment(?)
RESTRICT="!test? ( test ) test"
# TODO: add dependencies for cuda
# Note: No := on LLVM because it pulls in Clang
# see llvm.eclass for why
CLANG_DEPS="
!cuda? ( <sys-devel/clang-$((${LLVM_MAX_SLOT} + 1)):= )
cuda? ( <sys-devel/clang-$((${LLVM_MAX_SLOT} + 1)):=[llvm_targets_NVPTX] )
"
RDEPEND="
dev-libs/libltdl
<sys-devel/llvm-$((${LLVM_MAX_SLOT} + 1)):*
virtual/opencl
${CLANG_DEPS}
debug? ( dev-util/lttng-ust:= )
hwloc? ( sys-apps/hwloc:=[cuda?] )
"
DEPEND="${RDEPEND}"
BDEPEND="
${CLANG_DEPS}
virtual/pkgconfig
"
llvm_check_deps() {
local usedep=$(usev cuda "[llvm_targets_NVPTX]")
# Clang is used at both build time (executed) and runtime
has_version -r "sys-devel/llvm:${LLVM_SLOT}${usedep}" && \
has_version -r "sys-devel/clang:${LLVM_SLOT}${usedep}" && \
has_version -b "sys-devel/clang:${LLVM_SLOT}${usedep}"
}
src_configure() {
local host_cpu_variants="generic"
if use amd64 ; then
# Use pocl's curated list of CPU variants which should contain a good match for any given amd64 CPU
host_cpu_variants="distro"
elif use ppc64 ; then
# A selection of architectures in which new Altivec / VSX features were added
# This attempts to recreate the amd64 "distro" option for ppc64
# See discussion in bug #831859
host_cpu_variants="pwr10;pwr9;pwr8;pwr7;pwr6;g5;a2;generic"
fi
local mycmakeargs=(
-DENABLE_HSA=OFF
-DENABLE_ICD=ON
-DPOCL_ICD_ABSOLUTE_PATH=ON
-DPOCL_INSTALL_PUBLIC_LIBDIR="${EPREFIX}/usr/$(get_libdir)/OpenCL/vendors/pocl"
# only appends -flto
-DENABLE_IPO=OFF
-DENABLE_POCL_BUILDING=ON
-DKERNELLIB_HOST_CPU_VARIANTS="${host_cpu_variants}"
-DSTATIC_LLVM=OFF
-DWITH_LLVM_CONFIG=$(get_llvm_prefix -d "${LLVM_MAX_SLOT}")/bin/llvm-config
-DENABLE_ALMAIF_DEVICE=$(usex accel)
-DENABLE_CONFORMANCE=$(usex conformance)
-DENABLE_CUDA=$(usex cuda)
-DENABLE_HWLOC=$(usex hwloc)
-DENABLE_POCL_FLOAT_CONVERSION=$(usex float-conversion)
-DHARDENING_ENABLE=$(usex hardening)
-DPOCL_DEBUG_MESSAGES=$(usex debug)
-DUSE_POCL_MEMMANAGER=$(usex memmanager)
-DENABLE_TESTS=$(usex test)
)
cmake_src_configure
}
src_test() {
export POCL_BUILDING=1
export POCL_DEVICES=basic
export CTEST_OUTPUT_ON_FAILURE=1
export TEST_VERBOSE=1
# Referenced https://github.com/pocl/pocl/blob/master/.drone.yml
# But couldn't seem to get tests working yet
cmake_src_test
}
src_install() {
cmake_src_install
if use examples; then
dodoc -r examples
docompress -x /usr/share/doc/${P}/examples
fi
}
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