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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cuda cmake edo
DESCRIPTION="A c++ wrapper for the cudnn backend API"
HOMEPAGE="https://github.com/NVIDIA/cudnn-frontend"
SRC_URI="https://github.com/NVIDIA/cudnn-frontend/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="MIT"
SLOT="0/$(ver_cut 1-2)"
KEYWORDS="~amd64"
IUSE="samples test"
RESTRICT="!test? ( test )"
RDEPEND="
>=dev-libs/cudnn-9.0.0:=
"
DEPEND="${RDEPEND}
dev-cpp/nlohmann_json
test? (
>=dev-cpp/catch-3
>=dev-libs/cudnn-9.14.0
)
"
PATCHES=(
"${FILESDIR}/${PN}-1.11.0-fix.patch"
)
src_prepare() {
cmake_src_prepare
sed -e 's#"cudnn_frontend/thirdparty/nlohmann/json.hpp"#<nlohmann/json.hpp>#' \
-i include/cudnn_frontend_utils.h || die
rm -r include/cudnn_frontend/thirdparty || die
}
src_configure() {
local narch
if use amd64; then
narch="x86_64"
elif use arm64; then
narch="sbsa"
fi
local mycmakeargs=(
-DCUDNN_FRONTEND_BUILD_PYTHON_BINDINGS="no"
-DCUDNN_FRONTEND_BUILD_SAMPLES="$(usex test "$(usex samples)")"
-DCUDNN_FRONTEND_BUILD_TESTS="$(usex test)"
-DCUDNN_FRONTEND_SKIP_JSON_LIB="no"
)
if use samples || use test; then
# allow slotted install
: "${CUDNN_PATH:=${ESYSROOT}/opt/cuda}"
export CUDNN_PATH
fi
cmake_src_configure
}
src_test() {
cuda_add_sandbox -w
addwrite "/proc/self/task"
# List all tests
# "${BUILD_DIR}/bin/tests" --list-tests --verbosity quiet
local catchargs=()
local CATCH_SKIP_TESTS=()
if [[ -v CUDAARCHS && "${CUDAARCHS}" != 89 ]]; then
CATCH_SKIP_TESTS+=(
# doesn't work on 86 52
'Graph key'
'Graph key dynamic shape'
# doesn't work on 86
'sdpa backward graph serialization'
)
fi
[[ -v CATCH_SKIP_TESTS ]] && catchargs+=( "${CATCH_SKIP_TESTS[@]/#/\~}" )
edo "${BUILD_DIR}/bin/tests" -s "${catchargs[@]}"
if use samples; then
edo "${BUILD_DIR}/bin/samples" -s
edo "${BUILD_DIR}/bin/legacy_samples" -s
fi
cmake_src_test
}
src_install() {
cmake_src_install
if use test; then
rm -R "${ED}/usr/bin/tests" || die
fi
}
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