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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
ROCM_VERSION=${PV}
inherit cmake edo rocm flag-o-matic
DESCRIPTION="ROCm Communication Collectives Library (RCCL)"
HOMEPAGE="https://github.com/ROCmSoftwarePlatform/rccl"
SRC_URI="https://github.com/ROCmSoftwarePlatform/rccl/archive/rocm-${PV}.tar.gz -> rccl-${PV}.tar.gz"
LICENSE="BSD"
KEYWORDS="~amd64"
SLOT="0/$(ver_cut 1-2)"
IUSE="test"
RDEPEND="
=dev-util/hip-5*
dev-util/rocm-smi:${SLOT}"
DEPEND="${RDEPEND}
sys-libs/binutils-libs"
BDEPEND="
>=dev-build/cmake-3.22
>=dev-build/rocm-cmake-5.0.2-r1
dev-util/hipify-clang:${SLOT}
test? ( dev-cpp/gtest )"
RESTRICT="!test? ( test )"
S="${WORKDIR}/rccl-rocm-${PV}"
PATCHES=(
"${FILESDIR}/${PN}-5.7.1-remove-chrpath.patch"
)
src_prepare() {
cmake_src_prepare
# https://reviews.llvm.org/D69582 - clang does not support parallel jobs
sed -i 's/-parallel-jobs=[0-9][0-9]//g' CMakeLists.txt || die
# https://github.com/ROCmSoftwarePlatform/rccl/pull/860 - bad escape
sed -i 's/\\%/%/' src/include/msccl/msccl_struct.h || die
# https://github.com/ROCmSoftwarePlatform/rccl/issues/958 - fix AMDGPU_TARGETS
sed -i '/set(AMDGPU_TARGETS/s/ FORCE//' CMakeLists.txt || die
}
src_configure() {
addpredict /dev/kfd
addpredict /dev/dri/
# https://github.com/llvm/llvm-project/issues/71711 - fix issue of clang
append-ldflags -Wl,-z,noexecstack
local mycmakeargs=(
-DCMAKE_SKIP_RPATH=ON
-DAMDGPU_TARGETS="$(get_amdgpu_flags)"
-DBUILD_TESTS=$(usex test ON OFF)
-DROCM_SYMLINK_LIBS=OFF
-Wno-dev
)
CXX=hipcc cmake_src_configure
}
src_test() {
check_amdgpu
cd "${BUILD_DIR}" || die
LD_LIBRARY_PATH="${BUILD_DIR}" edob test/rccl-UnitTests
}
src_install() {
cmake_src_install
# remove extra copy of headers
rm -r "${ED}"/usr/rccl || die
}
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