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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
ROCM_VERSION=${PV}
inherit cmake rocm
DESCRIPTION="Wrapper of rocPRIM or CUB for GPU parallel primitives"
HOMEPAGE="https://github.com/ROCm/hipCUB"
SRC_URI="https://github.com/ROCm/hipCUB/archive/rocm-${PV}.tar.gz -> hipCUB-${PV}.tar.gz"
S="${WORKDIR}/hipCUB-rocm-${PV}"
LICENSE="BSD"
SLOT="0/$(ver_cut 1-2)"
KEYWORDS="~amd64"
IUSE="benchmark test"
REQUIRED_USE="
benchmark? ( ${ROCM_REQUIRED_USE} )
test? ( ${ROCM_REQUIRED_USE} )
"
RESTRICT="!test? ( test )"
RDEPEND="dev-util/hip:${SLOT}
sci-libs/rocPRIM:${SLOT}[${ROCM_USEDEP}]
benchmark? ( dev-cpp/benchmark )
test? ( dev-cpp/gtest )
"
DEPEND="${RDEPEND}"
src_prepare() {
sed -e "s:set(ROCM_INSTALL_LIBDIR lib):set(ROCM_INSTALL_LIBDIR $(get_libdir)):" \
-i cmake/ROCMExportTargetsHeaderOnly.cmake || die
cmake_src_prepare
}
src_configure() {
rocm_use_hipcc
local mycmakeargs=(
-DAMDGPU_TARGETS="$(get_amdgpu_flags)"
-DBUILD_TEST=$(usex test ON OFF)
-DBUILD_BENCHMARK=$(usex benchmark ON OFF)
-DBUILD_FILE_REORG_BACKWARD_COMPATIBILITY=OFF
)
cmake_src_configure
}
src_test() {
check_amdgpu
# Expected time on gfx1100 (-j32) is 85s
# hipcub.BlockShuffle fails in parallel tests, but adding -j1 makes tests too slow.
local CMAKE_SKIP_TESTS=(hipcub.BlockShuffle)
cmake_src_test
}
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