sci-libs/tensorflow/tensorflow-1.14.0.ebuild - mirrors/cros/chromiumos/overlays/chromiumos-overlay - Git at Google

 # Copyright 1999-2019 Jason Zaman
 # Distributed under the terms of the GNU General Public License v2

 EAPI=7

 DISTUTILS_OPTIONAL=1
 PYTHON_COMPAT=( python2_7 python{3_5,3_6,3_7} )
 MY_PV=${PV/_rc/-rc}
 MY_P=${PN}-${MY_PV}

 inherit check-reqs cros-bazel cuda distutils-r1 flag-o-matic toolchain-funcs

 DESCRIPTION="Computation framework using data flow graphs for scalable machine learning"
 HOMEPAGE="https://www.tensorflow.org/"

 LICENSE="Apache-2.0"
 SLOT="0"
 KEYWORDS="*"
 IUSE="cuda mpi minimal +python label_image benchmark_model"
 CPU_USE_FLAGS_X86="sse sse2 sse3 sse4_1 sse4_2 avx avx2 fma3 fma4"
 for i in $CPU_USE_FLAGS_X86; do
 	IUSE+=" cpu_flags_x86_$i"
 done

 # distfiles that bazel uses for the workspace, will be copied to basel-distdir
 bazel_external_uris="
 	http://www.kurims.kyoto-u.ac.jp/~ooura/fft.tgz -> oourafft-20061228.tgz
 	https://bitbucket.org/eigen/eigen/get/a0d250e79c79.tar.gz -> eigen-a0d250e79c79.tar.gz
 	https://github.com/abseil/abseil-cpp/archive/daf381e8535a1f1f1b8a75966a74e7cca63dee89.tar.gz -> abseil-cpp-daf381e8535a1f1f1b8a75966a74e7cca63dee89.tar.gz
 	https://github.com/bazelbuild/bazel-skylib/archive/0.6.0.tar.gz -> bazel-skylib-0.6.0.tar.gz
 	https://github.com/bazelbuild/rules_closure/archive/cf1e44edb908e9616030cc83d085989b8e6cd6df.tar.gz -> bazelbuild-rules_closure-cf1e44edb908e9616030cc83d085989b8e6cd6df.tar.gz
 	https://github.com/bazelbuild/rules_docker/archive/b8ff6a85ec359db3fd5657accd3e524daf12016d.tar.gz -> rules_docker-b8ff6a85ec359db3fd5657accd3e524daf12016d.tar.gz
 	https://github.com/bazelbuild/rules_swift/releases/download/0.9.0/rules_swift.0.9.0.tar.gz -> bazelbuild-rules_swift.0.9.0.tar.gz
 	https://github.com/google/farmhash/archive/816a4ae622e964763ca0862d9dbd19324a1eaf45.tar.gz -> farmhash-816a4ae622e964763ca0862d9dbd19324a1eaf45.tar.gz
 	https://github.com/google/gemmlowp/archive/12fed0cd7cfcd9e169bf1925bc3a7a58725fdcc3.zip -> gemmlowp-12fed0cd7cfcd9e169bf1925bc3a7a58725fdcc3.zip
 	https://github.com/google/highwayhash/archive/fd3d9af80465e4383162e4a7c5e2f406e82dd968.tar.gz -> highwayhash-fd3d9af80465e4383162e4a7c5e2f406e82dd968.tar.gz
 	https://github.com/intel/ARM_NEON_2_x86_SSE/archive/1200fe90bb174a6224a525ee60148671a786a71f.tar.gz -> ARM_NEON_2_x86_SSE-1200fe90bb174a6224a525ee60148671a786a71f.tar.gz
 	https://github.com/nlopezgi/bazel-toolchains/archive/94d31935a2c94fe7e7c7379a0f3393e181928ff7.tar.gz -> bazel-toolchains-94d31935a2c94fe7e7c7379a0f3393e181928ff7.tar.gz
 	cuda? (
 		https://github.com/nvidia/nccl/archive/f93fe9bfd94884cec2ba711897222e0df5569a53.tar.gz -> nvidia-nccl-f93fe9bfd94884cec2ba711897222e0df5569a53.tar.gz
 		https://github.com/NVlabs/cub/archive/1.8.0.zip -> cub-1.8.0.zip
 	)
 	python? (
 		http://mirror.tensorflow.org/docs.python.org/2.7/_sources/license.rst.txt -> tensorflow-1.14.0-python-license.rst.txt
 		https://pypi.python.org/packages/bc/cc/3cdb0a02e7e96f6c70bd971bc8a90b8463fda83e264fa9c5c1c98ceabd81/backports.weakref-1.0rc1.tar.gz
 	)"

 SRC_URI="https://github.com/${PN}/${PN}/archive/v${MY_PV}.tar.gz -> ${P}.tar.gz
 		${bazel_external_uris}"

 RDEPEND="
 	>=dev-libs/flatbuffers-1.8.0
 	>=dev-libs/protobuf-3.6.0:=
 	!minimal? (
 		app-arch/snappy
 		dev-db/lmdb
 		dev-db/sqlite
 		dev-libs/icu
 		>=dev-libs/jsoncpp-1.8.4
 		dev-libs/libpcre
 		dev-libs/nsync
 		dev-libs/openssl:0=
 		>=dev-libs/re2-0.2018.04.01
 		media-libs/giflib
 		media-libs/libjpeg-turbo
 		media-libs/libpng:0
 		>=net-libs/grpc-1.16.0
 		net-misc/curl
 		sys-libs/zlib
 		>=sys-apps/hwloc-2
 	)
 	cuda? (
 		>=dev-util/nvidia-cuda-toolkit-9.1[profiler]
 		dev-libs/cudnn
 	)
 	mpi? ( virtual/mpi )
 	python? (
 		${PYTHON_DEPS}
 		dev-python/absl-py[${PYTHON_USEDEP}]
 		>=dev-python/astor-0.7.1[${PYTHON_USEDEP}]
 		dev-python/gast[${PYTHON_USEDEP}]
 		dev-python/numpy[${PYTHON_USEDEP}]
 		dev-python/google-pasta[${PYTHON_USEDEP}]
 		>=dev-python/protobuf-python-3.6.0[${PYTHON_USEDEP}]
 		dev-python/six[${PYTHON_USEDEP}]
 		dev-python/termcolor[${PYTHON_USEDEP}]
 		dev-python/grpcio[${PYTHON_USEDEP}]
 		>=dev-python/wrapt-1.11.1[${PYTHON_USEDEP}]
 		>=net-libs/google-cloud-cpp-0.9.0
 		>=sci-libs/keras-applications-1.0.6[${PYTHON_USEDEP}]
 		>=sci-libs/keras-preprocessing-1.0.5[${PYTHON_USEDEP}]
 		>=sci-visualization/tensorboard-1.13.0[${PYTHON_USEDEP}]
 		virtual/python-enum34[${PYTHON_USEDEP}]
 	)"
 DEPEND="${RDEPEND}
 	python? (
 		dev-python/mock
 	)"
 PDEPEND="python? (
 		>=sci-libs/tensorflow-estimator-1.13.0[${PYTHON_USEDEP}]
 	)"
 BDEPEND="
 	app-arch/unzip
 	>=dev-libs/flatbuffers-1.8.0
 	>=dev-libs/protobuf-3.6.0
 	|| (
 		=dev-util/bazel-0.24*
 		=dev-util/bazel-0.26*
 		=dev-util/bazel-0.27*
 	)
 	cuda? (
 		>=dev-util/nvidia-cuda-toolkit-9.1[profiler]
 	)
 	!python? ( dev-lang/python )
 	python? (
 		dev-lang/swig
 		dev-python/grpcio-tools
 		dev-python/mock
 		dev-python/cython
 	)"
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} !minimal )"

 S="${WORKDIR}/${MY_P}"

 PATCHES=(
 	"${FILESDIR}/tensorflow-1.14.0-0001-systemlibs-unbundle-enum34.patch"
 	"${FILESDIR}/tensorflow-1.14.0-0002-linker-option-z-defs.patch"
 	"${FILESDIR}/tensorflow-1.14.0-0003-eigen-include-sstream.patch"
 	"${FILESDIR}/tensorflow-1.14.0-0004-neon-2-sse-header.patch"
 	"${FILESDIR}/tensorflow-1.14.0-0005-nnapi-android-sdk-version.patch"
 	"${FILESDIR}/tensorflow-1.14.0-0006-label-image-nnapi.patch"
 	"${FILESDIR}/tensorflow-1.14.0-0007-flatbuffers-deps.patch"
 )
 DOCS=( AUTHORS CONTRIBUTING.md ISSUE_TEMPLATE.md README.md RELEASE.md )
 CHECKREQS_MEMORY="5G"
 CHECKREQS_DISK_BUILD="5G"

 get-cpu-flags() {
 	local i f=()
 	# Keep this list in sync with tensorflow/core/platform/cpu_feature_guard.cc.
 	for i in sse sse2 sse3 sse4_1 sse4_2 avx avx2 fma4; do
 		use cpu_flags_x86_${i} && f+=( -m${i/_/.} )
 	done
 	use cpu_flags_x86_fma3 && f+=( -mfma )
 	echo "${f[*]}"
 }

 # Echos the CPU string that TensorFlow uses to refer to the given architecture.
 get-cpu-str() {
 	local arch
 	arch="$(tc-arch "${1}")"

 	case "${arch}" in
 	amd64) echo "k8";;
 	arm) echo "arm";;
 	arm64) echo "arm";;
 	*) die "Unsupported architecture '${arch}'."
 	esac
 }

 pkg_setup() {
 	local num_pythons_enabled
 	num_pythons_enabled=0
 	count_impls(){
 		num_pythons_enabled=$((${num_pythons_enabled} + 1))
 	}
 	use python && python_foreach_impl count_impls

 	# 5 G to build C/C++ libs, 5G per python impl
 	CHECKREQS_DISK_BUILD="$((5 + 5 * $num_pythons_enabled))G"
 	check-reqs_pkg_setup
 }

 src_unpack() {
 	# Only unpack the main distfile
 	unpack "${P}.tar.gz"
 	bazel_load_distfiles "${bazel_external_uris}"
 }

 src_prepare() {
 	export JAVA_HOME=$(ROOT="${BROOT}" java-config --jdk-home)
 	append-flags $(get-cpu-flags)

 	# Exceptions are required for jsoncpp.
 	! use minimal && cros_enable_cxx_exceptions

 	# Can cause linker errors with full TF with relr relocations.
 	if tc-ld-is-lld; then
 		append-ldflags "-Wl,--pack-dyn-relocs=none"
 	elif tc-ld-is-gold; then
 		append-ldflags "-Wl,--no-experimental-use-relr"
 	fi

 	bazel_setup_bazelrc
 	bazel_setup_crosstool "$(get-cpu-str "${CBUILD}")" "$(get-cpu-str "${CHOST}")"

 	default
 	use python && python_copy_sources

 	use cuda && cuda_add_sandbox
 }

 src_configure() {

 	do_configure() {
 		export CC_OPT_FLAGS=" "
 		export TF_ENABLE_XLA=0
 		export TF_NEED_OPENCL_SYCL=0
 		export TF_NEED_OPENCL=0
 		export TF_NEED_COMPUTECPP=0
 		export TF_NEED_ROCM=0
 		export TF_NEED_MPI=$(usex mpi 1 0)
 		export TF_SET_ANDROID_WORKSPACE=0

 		if use python; then
 			python_export PYTHON_SITEDIR
 			export PYTHON_BIN_PATH="${PYTHON}"
 			export PYTHON_LIB_PATH="${PYTHON_SITEDIR}"
 		else
 			export PYTHON_BIN_PATH="$(which python)"
 			export PYTHON_LIB_PATH="$(python -c 'from distutils.sysconfig import *; print(get_python_lib())')"
 		fi

 		export TF_NEED_CUDA=$(usex cuda 1 0)
 		export TF_DOWNLOAD_CLANG=0
 		export TF_CUDA_CLANG=0
 		export TF_NEED_TENSORRT=0
 		if use cuda; then
 			export TF_CUDA_PATHS="${EPREFIX%/}/opt/cuda"
 			export GCC_HOST_COMPILER_PATH="$(cuda_gccdir)/$(tc-getCC)"
 			export TF_CUDA_VERSION="$(cuda_toolkit_version)"
 			export TF_CUDNN_VERSION="$(cuda_cudnn_version)"
 			einfo "Setting CUDA version: $TF_CUDA_VERSION"
 			einfo "Setting CUDNN version: $TF_CUDNN_VERSION"
 		fi

 		local SYSLIBS=(
 			absl_py
 			astor_archive
 			boringssl
 			com_github_googleapis_googleapis
 			com_github_googlecloudplatform_google_cloud_cpp
 			com_google_protobuf
 			com_google_protobuf_cc
 			com_googlesource_code_re2
 			curl
 			cython
 			double_conversion
 			enum34_archive
 			flatbuffers
 			gast_archive
 			gif_archive
 			grpc
 			hwloc
 			icu
 			jpeg
 			jsoncpp_git
 			keras_applications_archive
 			lmdb
 			nasm
 			nsync
 			org_sqlite
 			pasta
 			pcre
 			png_archive
 			protobuf_archive
 			six_archive
 			snappy
 			swig
 			termcolor_archive
 			wrapt
 			zlib_archive
 		)

 		export TF_SYSTEM_LIBS="${SYSLIBS[@]}"
 		export TF_IGNORE_MAX_BAZEL_VERSION=1

 		# This is not autoconf
 		./configure || die

 		echo 'build --config=noaws --config=nohdfs --config=noignite --config=nokafka' >> .bazelrc || die
 		echo 'build --define tensorflow_mkldnn_contraction_kernel=0' >> .bazelrc || die
 		echo 'build --incompatible_no_support_tools_in_action_inputs=false' >> .bazelrc || die
 	}
 	if use python; then
 		python_foreach_impl run_in_build_dir do_configure
 	else
 		do_configure
 	fi
 }

 src_compile() {

 	if use python; then
 		python_setup
 		BUILD_DIR="${S}-${EPYTHON/./_}"
 		cd "${BUILD_DIR}"
 	fi

 	# fail early if any deps are missing
 	ebazel build --nobuild \
 		$(usex minimal '' '
 			//tensorflow:libtensorflow_framework.so
 			//tensorflow:libtensorflow.so
 			//tensorflow:libtensorflow_cc.so') \
 		//tensorflow/lite:libtensorflowlite.so \
 		//tensorflow/lite/kernels/internal:install_nnapi_extra_headers \
 		"$(usex label_image '
 			//tensorflow/lite/examples/label_image:label_image' '')" \
 		"$(usex benchmark_model '
 			//tensorflow/lite/tools/benchmark:benchmark_model' '')" \
 		"$(usex python '//tensorflow/tools/pip_package:build_pip_package' '')"

 	ebazel build \
 		$(usex minimal '' '
 			//tensorflow:libtensorflow_framework.so
 			//tensorflow:libtensorflow.so
 			//tensorflow:libtensorflow_cc.so') \
 		//tensorflow/lite:libtensorflowlite.so \
 		//tensorflow/lite/kernels/internal:install_nnapi_extra_headers \
 		"$(usex label_image '
 			//tensorflow/lite/examples/label_image:label_image' '')" \
 		"$(usex benchmark_model '
 			//tensorflow/lite/tools/benchmark:benchmark_model' '')"

 	do_compile() {
 		ebazel build //tensorflow/tools/pip_package:build_pip_package
 	}
 	BUILD_DIR="${S}"
 	cd "${BUILD_DIR}"
 	use python && python_foreach_impl run_in_build_dir do_compile
 	ebazel shutdown
 }

 src_install() {
 	local i j

 	if ! use minimal; then
 		do_install() {
 			einfo "Installing TF ${EPYTHON} files"
 			local srcdir="${T}/src-${MULTIBUILD_VARIANT}"
 			mkdir -p "${srcdir}" || die
 			bazel-bin/tensorflow/tools/pip_package/build_pip_package --src "${srcdir}" || die
 			cd "${srcdir}" || die
 			esetup.py install

 			# libtensorflow_framework.so is in /usr/lib already
 			python_export PYTHON_SITEDIR PYTHON_SCRIPTDIR
 			rm -f "${D}/${PYTHON_SITEDIR}"/${PN}/lib${PN}_framework.so* || die
 			python_optimize
 		}

 		if use python; then
 			python_foreach_impl run_in_build_dir do_install

 			# Symlink to python-exec scripts
 			for i in "${ED}"/usr/lib/python-exec/*/*; do
 				n="${i##*/}"
 				[[ -e "${ED}/usr/bin/${n}" ]] || dosym ../lib/python-exec/python-exec2 "/usr/bin/${n}"
 			done

 			python_setup
 			local BUILD_DIR="${S}-${EPYTHON/./_}"
 			cd "${BUILD_DIR}" || die
 		fi

 		einfo "Installing TF headers"
 		ebazel build //tensorflow:install_headers
 		ebazel shutdown
 		insinto /usr/include/${PN}/
 		doins -r bazel-genfiles/tensorflow/include/*

 		einfo "Installing TF libs"
 		# Generate pkg-config file
 		${PN}/c/generate-pc.sh --prefix="${EPREFIX}"/usr --libdir=$(get_libdir) --version=${MY_PV} || die
 		insinto /usr/$(get_libdir)/pkgconfig
 		doins ${PN}.pc

 		for l in libtensorflow{,_framework,_cc}.so; do
 			dolib.so bazel-bin/tensorflow/${l}
 			dolib.so bazel-bin/tensorflow/${l}.$(ver_cut 1)
 			dolib.so bazel-bin/tensorflow/${l}.$(ver_cut 1-3)
 		done
 	fi

 	einfo "Installing TF lite headers"
 	# From tensorflow/lite/lib_package/create_ios_frameworks.sh
 	find ${PN}/lite -name "*.h" \
 		-not -path "${PN}/lite/tools/*" \
 		-not -path "${PN}/lite/examples/*" \
 		-not -path "${PN}/lite/gen/*" \
 		-not -path "${PN}/lite/toco/*" \
 		-not -path "${PN}/lite/nnapi/*" \
 		-not -path "${PN}/lite/java/*" |
 	while read -r i; do
 		insinto "/usr/include/${PN}/${i%/*}"
 		doins "${i}"
 	done
 	if use minimal; then
 		einfo "Installing selected TF core headers"
 		local selected=( lib/bfloat16/bfloat16.h platform/byte_order.h platform/macros.h )
 		for i in "${selected[@]}"; do
 			insinto "/usr/include/${PN}/${PN}/core/${i%/*}"
 			doins "${PN}/core/${i}"
 		done
 	fi

 	einfo "Installing NNAPI headers"
 	insinto /usr/include/${PN}/nnapi/
 	doins -r bazel-genfiles/tensorflow/lite/kernels/internal/include

 	einfo "Installing TF lite libraries"
 	dolib.so bazel-bin/tensorflow/lite/lib${PN}lite.so

 	if use label_image; then
 		einfo "Install label_image example"
 		dobin bazel-bin/tensorflow/lite/examples/label_image/label_image
 	fi
 	if use benchmark_model; then
 		einfo "Install benchmark_model tool"
 		dobin bazel-bin/tensorflow/lite/tools/benchmark/benchmark_model
 	fi

 	einstalldocs
 }
	# Copyright 1999-2019 Jason Zaman
	# Distributed under the terms of the GNU General Public License v2

	EAPI=7

	DISTUTILS_OPTIONAL=1
	PYTHON_COMPAT=( python2_7 python{3_5,3_6,3_7} )
	MY_PV=${PV/_rc/-rc}
	MY_P=${PN}-${MY_PV}

	inherit check-reqs cros-bazel cuda distutils-r1 flag-o-matic toolchain-funcs

	DESCRIPTION="Computation framework using data flow graphs for scalable machine learning"
	HOMEPAGE="https://www.tensorflow.org/"

	LICENSE="Apache-2.0"
	SLOT="0"
	KEYWORDS="*"
	IUSE="cuda mpi minimal +python label_image benchmark_model"
	CPU_USE_FLAGS_X86="sse sse2 sse3 sse4_1 sse4_2 avx avx2 fma3 fma4"
	for i in $CPU_USE_FLAGS_X86; do
	IUSE+=" cpu_flags_x86_$i"
	done

	# distfiles that bazel uses for the workspace, will be copied to basel-distdir
	bazel_external_uris="
	http://www.kurims.kyoto-u.ac.jp/~ooura/fft.tgz -> oourafft-20061228.tgz
	https://bitbucket.org/eigen/eigen/get/a0d250e79c79.tar.gz -> eigen-a0d250e79c79.tar.gz
	https://github.com/abseil/abseil-cpp/archive/daf381e8535a1f1f1b8a75966a74e7cca63dee89.tar.gz -> abseil-cpp-daf381e8535a1f1f1b8a75966a74e7cca63dee89.tar.gz
	https://github.com/bazelbuild/bazel-skylib/archive/0.6.0.tar.gz -> bazel-skylib-0.6.0.tar.gz
	https://github.com/bazelbuild/rules_closure/archive/cf1e44edb908e9616030cc83d085989b8e6cd6df.tar.gz -> bazelbuild-rules_closure-cf1e44edb908e9616030cc83d085989b8e6cd6df.tar.gz
	https://github.com/bazelbuild/rules_docker/archive/b8ff6a85ec359db3fd5657accd3e524daf12016d.tar.gz -> rules_docker-b8ff6a85ec359db3fd5657accd3e524daf12016d.tar.gz
	https://github.com/bazelbuild/rules_swift/releases/download/0.9.0/rules_swift.0.9.0.tar.gz -> bazelbuild-rules_swift.0.9.0.tar.gz
	https://github.com/google/farmhash/archive/816a4ae622e964763ca0862d9dbd19324a1eaf45.tar.gz -> farmhash-816a4ae622e964763ca0862d9dbd19324a1eaf45.tar.gz
	https://github.com/google/gemmlowp/archive/12fed0cd7cfcd9e169bf1925bc3a7a58725fdcc3.zip -> gemmlowp-12fed0cd7cfcd9e169bf1925bc3a7a58725fdcc3.zip
	https://github.com/google/highwayhash/archive/fd3d9af80465e4383162e4a7c5e2f406e82dd968.tar.gz -> highwayhash-fd3d9af80465e4383162e4a7c5e2f406e82dd968.tar.gz
	https://github.com/intel/ARM_NEON_2_x86_SSE/archive/1200fe90bb174a6224a525ee60148671a786a71f.tar.gz -> ARM_NEON_2_x86_SSE-1200fe90bb174a6224a525ee60148671a786a71f.tar.gz
	https://github.com/nlopezgi/bazel-toolchains/archive/94d31935a2c94fe7e7c7379a0f3393e181928ff7.tar.gz -> bazel-toolchains-94d31935a2c94fe7e7c7379a0f3393e181928ff7.tar.gz
	cuda? (
	https://github.com/nvidia/nccl/archive/f93fe9bfd94884cec2ba711897222e0df5569a53.tar.gz -> nvidia-nccl-f93fe9bfd94884cec2ba711897222e0df5569a53.tar.gz
	https://github.com/NVlabs/cub/archive/1.8.0.zip -> cub-1.8.0.zip
	)
	python? (
	http://mirror.tensorflow.org/docs.python.org/2.7/_sources/license.rst.txt -> tensorflow-1.14.0-python-license.rst.txt
	https://pypi.python.org/packages/bc/cc/3cdb0a02e7e96f6c70bd971bc8a90b8463fda83e264fa9c5c1c98ceabd81/backports.weakref-1.0rc1.tar.gz
	)"

	SRC_URI="https://github.com/${PN}/${PN}/archive/v${MY_PV}.tar.gz -> ${P}.tar.gz
	${bazel_external_uris}"

	RDEPEND="
	>=dev-libs/flatbuffers-1.8.0
	>=dev-libs/protobuf-3.6.0:=
	!minimal? (
	app-arch/snappy
	dev-db/lmdb
	dev-db/sqlite
	dev-libs/icu
	>=dev-libs/jsoncpp-1.8.4
	dev-libs/libpcre
	dev-libs/nsync
	dev-libs/openssl:0=
	>=dev-libs/re2-0.2018.04.01
	media-libs/giflib
	media-libs/libjpeg-turbo
	media-libs/libpng:0
	>=net-libs/grpc-1.16.0
	net-misc/curl
	sys-libs/zlib
	>=sys-apps/hwloc-2
	)
	cuda? (
	>=dev-util/nvidia-cuda-toolkit-9.1[profiler]
	dev-libs/cudnn
	)
	mpi? ( virtual/mpi )
	python? (
	${PYTHON_DEPS}
	dev-python/absl-py[${PYTHON_USEDEP}]
	>=dev-python/astor-0.7.1[${PYTHON_USEDEP}]
	dev-python/gast[${PYTHON_USEDEP}]
	dev-python/numpy[${PYTHON_USEDEP}]
	dev-python/google-pasta[${PYTHON_USEDEP}]
	>=dev-python/protobuf-python-3.6.0[${PYTHON_USEDEP}]
	dev-python/six[${PYTHON_USEDEP}]
	dev-python/termcolor[${PYTHON_USEDEP}]
	dev-python/grpcio[${PYTHON_USEDEP}]
	>=dev-python/wrapt-1.11.1[${PYTHON_USEDEP}]
	>=net-libs/google-cloud-cpp-0.9.0
	>=sci-libs/keras-applications-1.0.6[${PYTHON_USEDEP}]
	>=sci-libs/keras-preprocessing-1.0.5[${PYTHON_USEDEP}]
	>=sci-visualization/tensorboard-1.13.0[${PYTHON_USEDEP}]
	virtual/python-enum34[${PYTHON_USEDEP}]
	)"
	DEPEND="${RDEPEND}
	python? (
	dev-python/mock
	)"
	PDEPEND="python? (
	>=sci-libs/tensorflow-estimator-1.13.0[${PYTHON_USEDEP}]
	)"
	BDEPEND="
	app-arch/unzip
	>=dev-libs/flatbuffers-1.8.0
	>=dev-libs/protobuf-3.6.0
	\|\| (
	=dev-util/bazel-0.24*
	=dev-util/bazel-0.26*
	=dev-util/bazel-0.27*
	)
	cuda? (
	>=dev-util/nvidia-cuda-toolkit-9.1[profiler]
	)
	!python? ( dev-lang/python )
	python? (
	dev-lang/swig
	dev-python/grpcio-tools
	dev-python/mock
	dev-python/cython
	)"
	REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} !minimal )"

	S="${WORKDIR}/${MY_P}"

	PATCHES=(
	"${FILESDIR}/tensorflow-1.14.0-0001-systemlibs-unbundle-enum34.patch"
	"${FILESDIR}/tensorflow-1.14.0-0002-linker-option-z-defs.patch"
	"${FILESDIR}/tensorflow-1.14.0-0003-eigen-include-sstream.patch"
	"${FILESDIR}/tensorflow-1.14.0-0004-neon-2-sse-header.patch"
	"${FILESDIR}/tensorflow-1.14.0-0005-nnapi-android-sdk-version.patch"
	"${FILESDIR}/tensorflow-1.14.0-0006-label-image-nnapi.patch"
	"${FILESDIR}/tensorflow-1.14.0-0007-flatbuffers-deps.patch"
	)
	DOCS=( AUTHORS CONTRIBUTING.md ISSUE_TEMPLATE.md README.md RELEASE.md )
	CHECKREQS_MEMORY="5G"
	CHECKREQS_DISK_BUILD="5G"

	get-cpu-flags() {
	local i f=()
	# Keep this list in sync with tensorflow/core/platform/cpu_feature_guard.cc.
	for i in sse sse2 sse3 sse4_1 sse4_2 avx avx2 fma4; do
	use cpu_flags_x86_${i} && f+=( -m${i/_/.} )
	done
	use cpu_flags_x86_fma3 && f+=( -mfma )
	echo "${f[*]}"
	}

	# Echos the CPU string that TensorFlow uses to refer to the given architecture.
	get-cpu-str() {
	local arch
	arch="$(tc-arch "${1}")"

	case "${arch}" in
	amd64) echo "k8";;
	arm) echo "arm";;
	arm64) echo "arm";;
	*) die "Unsupported architecture '${arch}'."
	esac
	}

	pkg_setup() {
	local num_pythons_enabled
	num_pythons_enabled=0
	count_impls(){
	num_pythons_enabled=$((${num_pythons_enabled} + 1))
	}
	use python && python_foreach_impl count_impls

	# 5 G to build C/C++ libs, 5G per python impl
	CHECKREQS_DISK_BUILD="$((5 + 5 * $num_pythons_enabled))G"
	check-reqs_pkg_setup
	}

	src_unpack() {
	# Only unpack the main distfile
	unpack "${P}.tar.gz"
	bazel_load_distfiles "${bazel_external_uris}"
	}

	src_prepare() {
	export JAVA_HOME=$(ROOT="${BROOT}" java-config --jdk-home)
	append-flags $(get-cpu-flags)

	# Exceptions are required for jsoncpp.
	! use minimal && cros_enable_cxx_exceptions

	# Can cause linker errors with full TF with relr relocations.
	if tc-ld-is-lld; then
	append-ldflags "-Wl,--pack-dyn-relocs=none"
	elif tc-ld-is-gold; then
	append-ldflags "-Wl,--no-experimental-use-relr"
	fi

	bazel_setup_bazelrc
	bazel_setup_crosstool "$(get-cpu-str "${CBUILD}")" "$(get-cpu-str "${CHOST}")"

	default
	use python && python_copy_sources

	use cuda && cuda_add_sandbox
	}

	src_configure() {

	do_configure() {
	export CC_OPT_FLAGS=" "
	export TF_ENABLE_XLA=0
	export TF_NEED_OPENCL_SYCL=0
	export TF_NEED_OPENCL=0
	export TF_NEED_COMPUTECPP=0
	export TF_NEED_ROCM=0
	export TF_NEED_MPI=$(usex mpi 1 0)
	export TF_SET_ANDROID_WORKSPACE=0

	if use python; then
	python_export PYTHON_SITEDIR
	export PYTHON_BIN_PATH="${PYTHON}"
	export PYTHON_LIB_PATH="${PYTHON_SITEDIR}"
	else
	export PYTHON_BIN_PATH="$(which python)"
	export PYTHON_LIB_PATH="$(python -c 'from distutils.sysconfig import *; print(get_python_lib())')"
	fi

	export TF_NEED_CUDA=$(usex cuda 1 0)
	export TF_DOWNLOAD_CLANG=0
	export TF_CUDA_CLANG=0
	export TF_NEED_TENSORRT=0
	if use cuda; then
	export TF_CUDA_PATHS="${EPREFIX%/}/opt/cuda"
	export GCC_HOST_COMPILER_PATH="$(cuda_gccdir)/$(tc-getCC)"
	export TF_CUDA_VERSION="$(cuda_toolkit_version)"
	export TF_CUDNN_VERSION="$(cuda_cudnn_version)"
	einfo "Setting CUDA version: $TF_CUDA_VERSION"
	einfo "Setting CUDNN version: $TF_CUDNN_VERSION"
	fi

	local SYSLIBS=(
	absl_py
	astor_archive
	boringssl
	com_github_googleapis_googleapis
	com_github_googlecloudplatform_google_cloud_cpp
	com_google_protobuf
	com_google_protobuf_cc
	com_googlesource_code_re2
	curl
	cython
	double_conversion
	enum34_archive
	flatbuffers
	gast_archive
	gif_archive
	grpc
	hwloc
	icu
	jpeg
	jsoncpp_git
	keras_applications_archive
	lmdb
	nasm
	nsync
	org_sqlite
	pasta
	pcre
	png_archive
	protobuf_archive
	six_archive
	snappy
	swig
	termcolor_archive
	wrapt
	zlib_archive
	)

	export TF_SYSTEM_LIBS="${SYSLIBS[@]}"
	export TF_IGNORE_MAX_BAZEL_VERSION=1

	# This is not autoconf
	./configure \|\| die

	echo 'build --config=noaws --config=nohdfs --config=noignite --config=nokafka' >> .bazelrc \|\| die
	echo 'build --define tensorflow_mkldnn_contraction_kernel=0' >> .bazelrc \|\| die
	echo 'build --incompatible_no_support_tools_in_action_inputs=false' >> .bazelrc \|\| die
	}
	if use python; then
	python_foreach_impl run_in_build_dir do_configure
	else
	do_configure
	fi
	}

	src_compile() {

	if use python; then
	python_setup
	BUILD_DIR="${S}-${EPYTHON/./_}"
	cd "${BUILD_DIR}"
	fi

	# fail early if any deps are missing
	ebazel build --nobuild \
	$(usex minimal '' '
	//tensorflow:libtensorflow_framework.so
	//tensorflow:libtensorflow.so
	//tensorflow:libtensorflow_cc.so') \
	//tensorflow/lite:libtensorflowlite.so \
	//tensorflow/lite/kernels/internal:install_nnapi_extra_headers \
	"$(usex label_image '
	//tensorflow/lite/examples/label_image:label_image' '')" \
	"$(usex benchmark_model '
	//tensorflow/lite/tools/benchmark:benchmark_model' '')" \
	"$(usex python '//tensorflow/tools/pip_package:build_pip_package' '')"

	ebazel build \
	$(usex minimal '' '
	//tensorflow:libtensorflow_framework.so
	//tensorflow:libtensorflow.so
	//tensorflow:libtensorflow_cc.so') \
	//tensorflow/lite:libtensorflowlite.so \
	//tensorflow/lite/kernels/internal:install_nnapi_extra_headers \
	"$(usex label_image '
	//tensorflow/lite/examples/label_image:label_image' '')" \
	"$(usex benchmark_model '
	//tensorflow/lite/tools/benchmark:benchmark_model' '')"

	do_compile() {
	ebazel build //tensorflow/tools/pip_package:build_pip_package
	}
	BUILD_DIR="${S}"
	cd "${BUILD_DIR}"
	use python && python_foreach_impl run_in_build_dir do_compile
	ebazel shutdown
	}

	src_install() {
	local i j

	if ! use minimal; then
	do_install() {
	einfo "Installing TF ${EPYTHON} files"
	local srcdir="${T}/src-${MULTIBUILD_VARIANT}"
	mkdir -p "${srcdir}" \|\| die
	bazel-bin/tensorflow/tools/pip_package/build_pip_package --src "${srcdir}" \|\| die
	cd "${srcdir}" \|\| die
	esetup.py install

	# libtensorflow_framework.so is in /usr/lib already
	python_export PYTHON_SITEDIR PYTHON_SCRIPTDIR
	rm -f "${D}/${PYTHON_SITEDIR}"/${PN}/lib${PN}_framework.so* \|\| die
	python_optimize
	}

	if use python; then
	python_foreach_impl run_in_build_dir do_install

	# Symlink to python-exec scripts
	for i in "${ED}"/usr/lib/python-exec//; do
	n="${i##*/}"
	[[ -e "${ED}/usr/bin/${n}" ]] \|\| dosym ../lib/python-exec/python-exec2 "/usr/bin/${n}"
	done

	python_setup
	local BUILD_DIR="${S}-${EPYTHON/./_}"
	cd "${BUILD_DIR}" \|\| die
	fi

	einfo "Installing TF headers"
	ebazel build //tensorflow:install_headers
	ebazel shutdown
	insinto /usr/include/${PN}/
	doins -r bazel-genfiles/tensorflow/include/*

	einfo "Installing TF libs"
	# Generate pkg-config file
	${PN}/c/generate-pc.sh --prefix="${EPREFIX}"/usr --libdir=$(get_libdir) --version=${MY_PV} \|\| die
	insinto /usr/$(get_libdir)/pkgconfig
	doins ${PN}.pc

	for l in libtensorflow{,_framework,_cc}.so; do
	dolib.so bazel-bin/tensorflow/${l}
	dolib.so bazel-bin/tensorflow/${l}.$(ver_cut 1)
	dolib.so bazel-bin/tensorflow/${l}.$(ver_cut 1-3)
	done
	fi

	einfo "Installing TF lite headers"
	# From tensorflow/lite/lib_package/create_ios_frameworks.sh
	find ${PN}/lite -name "*.h" \
	-not -path "${PN}/lite/tools/*" \
	-not -path "${PN}/lite/examples/*" \
	-not -path "${PN}/lite/gen/*" \
	-not -path "${PN}/lite/toco/*" \
	-not -path "${PN}/lite/nnapi/*" \
	-not -path "${PN}/lite/java/*" \|
	while read -r i; do
	insinto "/usr/include/${PN}/${i%/*}"
	doins "${i}"
	done
	if use minimal; then
	einfo "Installing selected TF core headers"
	local selected=( lib/bfloat16/bfloat16.h platform/byte_order.h platform/macros.h )
	for i in "${selected[@]}"; do
	insinto "/usr/include/${PN}/${PN}/core/${i%/*}"
	doins "${PN}/core/${i}"
	done
	fi

	einfo "Installing NNAPI headers"
	insinto /usr/include/${PN}/nnapi/
	doins -r bazel-genfiles/tensorflow/lite/kernels/internal/include

	einfo "Installing TF lite libraries"
	dolib.so bazel-bin/tensorflow/lite/lib${PN}lite.so

	if use label_image; then
	einfo "Install label_image example"
	dobin bazel-bin/tensorflow/lite/examples/label_image/label_image
	fi
	if use benchmark_model; then
	einfo "Install benchmark_model tool"
	dobin bazel-bin/tensorflow/lite/tools/benchmark/benchmark_model
	fi

	einstalldocs
	}