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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit cmake
DESCRIPTION="Wrapper of rocPRIM or CUB for GPU parallel primitives"
HOMEPAGE="https://github.com/ROCmSoftwarePlatform/hipCUB"
SRC_URI="https://github.com/ROCmSoftwarePlatform/hipCUB/archive/rocm-${PV}.tar.gz -> hipCUB-${PV}.tar.gz"
LICENSE="BSD"
KEYWORDS="~amd64"
SLOT="0/$(ver_cut 1-2)"
IUSE="benchmark test"
RESTRICT="!test? ( test )"
RDEPEND="dev-util/hip:${SLOT}
sci-libs/rocPRIM:${SLOT}
benchmark? ( dev-cpp/benchmark )"
DEPEND="${RDEPEND}"
BDEPEND="test? ( dev-cpp/gtest )"
S="${WORKDIR}/hipCUB-rocm-${PV}"
PATCHES="${FILESDIR}/${PN}-4.3.0-add-memory-header.patch"
src_prepare() {
sed -e "/PREFIX hipcub/d" \
-e "/DESTINATION/s:hipcub/include/:include/:" \
-e "/rocm_install_symlink_subdir(hipcub)/d" \
-e "/<INSTALL_INTERFACE/s:hipcub/include/:include/hipcub/:" -i hipcub/CMakeLists.txt || die
sed -e "s:\${ROCM_INSTALL_LIBDIR}:\${CMAKE_INSTALL_LIBDIR}:" -i cmake/ROCMExportTargetsHeaderOnly.cmake || die
# disable downloading googletest and googlebenchmark
sed -r -e '/Downloading/{:a;N;/\n *\)$/!ba; d}' -i cmake/Dependencies.cmake || die
# remove GIT dependency
sed -r -e '/find_package\(Git/{:a;N;/\nendif/!ba; d}' -i cmake/Dependencies.cmake || die
if use benchmark; then
sed -e "/get_filename_component/s,\${BENCHMARK_SOURCE},${PN}_\${BENCHMARK_SOURCE}," \
-e "/add_executable/a\ install(TARGETS \${BENCHMARK_TARGET})" -i benchmark/CMakeLists.txt || die
fi
eapply_user
cmake_src_prepare
}
src_configure() {
# Grant access to the device
addwrite /dev/kfd
addpredict /dev/dri/
# Compiler to use
export CXX=hipcc
local mycmakeargs=(
-DBUILD_TEST=$(usex test ON OFF)
-DBUILD_BENCHMARK=$(usex benchmark ON OFF)
${AMDGPU_TARGETS+-DAMDGPU_TARGETS="${AMDGPU_TARGETS}"}
-D__skip_rocmclang="ON" ## fix cmake-3.21 configuration issue caused by officialy support programming language "HIP"
)
cmake_src_configure
}
src_test() {
# Grant access to the device
addwrite /dev/kfd
addwrite /dev/dri/
cmake_src_test
}
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