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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DESCRIPTION="NVIDIA Accelerated Deep Learning on GPU library"
HOMEPAGE="https://developer.nvidia.com/cudnn"
SRC_URI="
amd64? (
https://developer.download.nvidia.com/compute/cudnn/redist/cudnn/linux-x86_64/cudnn-linux-x86_64-${PV}_cuda13-archive.tar.xz
)
arm64? (
https://developer.download.nvidia.com/compute/cudnn/redist/cudnn/linux-sbsa/cudnn-linux-sbsa-${PV}_cuda13-archive.tar.xz
)
"
S="${WORKDIR}"
LICENSE="NVIDIA-cuDNN"
SLOT="0/$(ver_cut 1-3)"
KEYWORDS="~amd64 ~arm64"
RESTRICT="bindist test"
RDEPEND="
=dev-util/nvidia-cuda-toolkit-13*
"
QA_PREBUILT="/opt/cuda*/targets/*-linux/lib/*"
src_install() {
local narch
if use amd64; then
narch="x86_64"
elif use arm64; then
narch="sbsa"
fi
# allow slotted install
local CUDNN_PATH="${CUDNN_PATH:-${EPREFIX}/opt/cuda}"
cd "${WORKDIR}/cudnn-linux-${narch}-${PV}_cuda13-archive" || die
dodir "${CUDNN_PATH}/targets/${narch}-linux"
mv \
include lib \
"${ED}${CUDNN_PATH}/targets/${narch}-linux" \
|| die
# Add include and lib symlinks
dosym -r "${CUDNN_PATH}/targets/${narch}-linux/include" "${CUDNN_PATH}/include"
dosym -r "${CUDNN_PATH}/targets/${narch}-linux/lib" "${CUDNN_PATH}/$(get_libdir)"
find "${ED}/${CUDNN_PATH}" -empty -delete || die
}
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