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#!/bin/bash
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
set -e
DOWNLOADS_DIR=tensorflow/contrib/lite/downloads
BZL_FILE_PATH=tensorflow/workspace.bzl
EIGEN_URL="$(grep -o 'http.*bitbucket.org/eigen/eigen/get/.*tar\.gz' "${BZL_FILE_PATH}" | grep -v bazel-mirror | head -n1)"
GEMMLOWP_URL="$(grep -o 'https://mirror.bazel.build/github.com/google/gemmlowp/.*zip' "${BZL_FILE_PATH}" | head -n1)"
GOOGLETEST_URL="https://github.com/google/googletest/archive/release-1.8.0.tar.gz"
ABSL_URL="$(grep -o 'https://github.com/abseil/abseil-cpp/.*tar.gz' "${BZL_FILE_PATH}" | head -n1)"
NEON_2_SSE_URL="https://github.com/intel/ARM_NEON_2_x86_SSE/archive/master.zip"
FARMHASH_URL="https://mirror.bazel.build/github.com/google/farmhash/archive/816a4ae622e964763ca0862d9dbd19324a1eaf45.tar.gz"
FLATBUFFERS_URL="https://github.com/google/flatbuffers/archive/master.zip"
MODELS_URL="https://storage.googleapis.com/download.tensorflow.org/models/tflite/mobilenet_v1_1.0_224_ios_lite_float_2017_11_08.zip"
# TODO(petewarden): Some new code in Eigen triggers a clang bug with iOS arm64,
# so work around it by patching the source.
replace_by_sed() {
local regex="${1}"
shift
# Detect the version of sed by the return value of "--version" flag. GNU-sed
# supports "--version" while BSD-sed doesn't.
if ! sed --version >/dev/null 2>&1; then
# BSD-sed.
sed -i '' -e "${regex}" "$@"
else
# GNU-sed.
sed -i -e "${regex}" "$@"
fi
}
download_and_extract() {
local usage="Usage: download_and_extract URL DIR"
local url="${1:?${usage}}"
local dir="${2:?${usage}}"
echo "downloading ${url}" >&2
mkdir -p "${dir}"
if [[ "${url}" == *gz ]]; then
curl -Ls "${url}" | tar -C "${dir}" --strip-components=1 -xz
elif [[ "${url}" == *zip ]]; then
tempdir=$(mktemp -d)
tempdir2=$(mktemp -d)
wget -P ${tempdir} ${url}
unzip ${tempdir}/* -d ${tempdir2}
# unzip has no strip components, so unzip to a temp dir, and move the files
# we want from the tempdir to destination.
cp -R ${tempdir2}/*/* ${dir}/
rm -rf ${tempdir2} ${tempdir}
fi
# Delete any potential BUILD files, which would interfere with Bazel builds.
find "${dir}" -type f -name '*BUILD' -delete
}
download_and_extract "${EIGEN_URL}" "${DOWNLOADS_DIR}/eigen"
download_and_extract "${GEMMLOWP_URL}" "${DOWNLOADS_DIR}/gemmlowp"
download_and_extract "${GOOGLETEST_URL}" "${DOWNLOADS_DIR}/googletest"
download_and_extract "${ABSL_URL}" "${DOWNLOADS_DIR}/absl"
download_and_extract "${NEON_2_SSE_URL}" "${DOWNLOADS_DIR}/neon_2_sse"
download_and_extract "${FARMHASH_URL}" "${DOWNLOADS_DIR}/farmhash"
download_and_extract "${FLATBUFFERS_URL}" "${DOWNLOADS_DIR}/flatbuffers"
download_and_extract "${MODELS_URL}" "${DOWNLOADS_DIR}/models"
replace_by_sed 's#static uint32x4_t p4ui_CONJ_XOR = vld1q_u32( conj_XOR_DATA );#static uint32x4_t p4ui_CONJ_XOR; // = vld1q_u32( conj_XOR_DATA ); - Removed by script#' \
"${DOWNLOADS_DIR}/eigen/Eigen/src/Core/arch/NEON/Complex.h"
replace_by_sed 's#static uint32x2_t p2ui_CONJ_XOR = vld1_u32( conj_XOR_DATA );#static uint32x2_t p2ui_CONJ_XOR;// = vld1_u32( conj_XOR_DATA ); - Removed by scripts#' \
"${DOWNLOADS_DIR}/eigen/Eigen/src/Core/arch/NEON/Complex.h"
replace_by_sed 's#static uint64x2_t p2ul_CONJ_XOR = vld1q_u64( p2ul_conj_XOR_DATA );#static uint64x2_t p2ul_CONJ_XOR;// = vld1q_u64( p2ul_conj_XOR_DATA ); - Removed by script#' \
"${DOWNLOADS_DIR}/eigen/Eigen/src/Core/arch/NEON/Complex.h"
cp ${DOWNLOADS_DIR}/models/models/* tensorflow/contrib/lite/examples/ios/simple/data/
echo "download_dependencies.sh completed successfully." >&2
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