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# Copyright 2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{8..10} )
inherit python-r1 cmake
MYPN=pytorch
MYP=${MYPN}-${PV}
DESCRIPTION="A deep learning framework"
HOMEPAGE="https://pytorch.org/"
SRC_URI="https://github.com/pytorch/${MYPN}/archive/refs/tags/v${PV}.tar.gz
-> ${MYP}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64"
RESTRICT="test"
REQUIRED_USE="${PYTHON_REQUIRED_USE}"
RDEPEND="
${PYTHON_DEPS}
dev-libs/cpuinfo
dev-libs/libfmt
dev-libs/protobuf
dev-libs/sleef
sci-libs/lapack
sci-libs/onnx
sci-libs/foxi
"
DEPEND="${RDEPEND}
dev-libs/FP16
dev-libs/pocketfft
dev-libs/flatbuffers
dev-python/pyyaml[${PYTHON_USEDEP}]
dev-python/pybind11[${PYTHON_USEDEP}]
"
S="${WORKDIR}"/${MYP}
PATCHES=( "${FILESDIR}"/${P}-gentoo.patch )
src_prepare() {
cmake_src_prepare
pushd torch/csrc/jit/serialization || die
flatc --cpp --gen-mutable --scoped-enums mobile_bytecode.fbs || die
popd
}
src_configure() {
local mycmakeargs=(
-DUSE_KINETO=OFF
-DUSE_XNNPACK=OFF
-DUSE_SYSTEM_SLEEF=ON
-DUSE_BREAKPAD=OFF
-DUSE_SYSTEM_ONNX=ON
-DUSE_TENSORPIPE=OFF
-DUSE_GLOO=OFF
-DUSE_SYSTEM_FP16=ON
-DUSE_FBGEMM=OFF
-DUSE_NNPACK=OFF
-DUSE_PYTORCH_QNNPACK=OFF
-DUSE_QNNPACK=OFF
-DUSE_SYSTEM_CPUINFO=ON
-DBUILD_CUSTOM_PROTOBUF=OFF
-DUSE_MKLDNN=OFF
-DUSE_NUMPY=OFF
-DUSE_OPENMP=OFF
-DUSE_DISTRIBUTED=OFF
-DUSE_CUDA=OFF
-DUSE_NCCL=OFF
-Wno-dev
-DTORCH_INSTALL_LIB_DIR=/usr/$(get_libdir)
-DLIBSHM_INSTALL_LIB_SUBDIR=/usr/$(get_libdir)
-DUSE_CCACHE=OFF
)
cmake_src_configure
}
python_install() {
python_domodule python/caffe2
python_domodule python/torch
}
src_install() {
cmake_src_install
insinto "/var/lib/${PN}"
doins "${BUILD_DIR}"/CMakeCache.txt
rm -rf python
mkdir -p python/torch || die
mv "${D}"/usr/lib/python*/site-packages/caffe2 python/ || die
cp torch/version.py python/torch/ || die
python_foreach_impl python_install
}
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