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# Copyright 2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{8,9,10} )
inherit distutils-r1
DESCRIPTION="Tensors and Dynamic neural networks in Python"
HOMEPAGE="https://pytorch.org/"
SRC_URI="https://github.com/pytorch/${PN}/archive/refs/tags/v${PV}.tar.gz
-> ${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64"
RESTRICT="test"
IUSE="cuda ffmpeg nnpack +numpy opencl opencv openmp qnnpack xnnpack"
REQUIRED_USE=${PYTHON_REQUIRED_USE}
RDEPEND="
${PYTHON_DEPS}
~sci-libs/caffe2-${PV}[${PYTHON_USEDEP}]
sci-libs/caffe2[cuda?,ffmpeg?,nnpack?,numpy?,opencl?,opencv?,openmp?,qnnpack?,xnnpack?]
dev-python/typing-extensions[${PYTHON_USEDEP}]
"
DEPEND="${RDEPEND}
dev-python/pyyaml[${PYTHON_USEDEP}]
"
src_prepare() {
eapply \
"${FILESDIR}"/0002-Don-t-build-libtorch-again-for-PyTorch-1.7.1.patch \
"${FILESDIR}"/pytorch-1.9.0-Change-library-directory-according-to-CMake-build.patch \
"${FILESDIR}"/${PN}-1.6.0-global-dlopen.patch \
"${FILESDIR}"/pytorch-1.7.1-torch_shm_manager.patch
# Set build dir for pytorch's setup
sed -i \
-e "/BUILD_DIR/s|build|/var/lib/caffe2/|" \
tools/setup_helpers/env.py \
|| die
distutils-r1_src_prepare
}
src_compile() {
PYTORCH_BUILD_VERSION=${PV} \
PYTORCH_BUILD_NUMBER=0 \
USE_SYSTEM_LIBS=ON \
CMAKE_BUILD_DIR="${BUILD_DIR}" \
BUILD_DIR= \
distutils-r1_src_compile
}
src_install() {
USE_SYSTEM_LIBS=ON distutils-r1_src_install
}
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