1 files changed, 88 insertions, 0 deletions
diff --git a/tensorflow/contrib/lite/download_dependencies.sh b/tensorflow/contrib/lite/download_dependencies.sh
new file mode 100755
index 0000000000..0d9842fefa
--- /dev/null
+++ b/tensorflow/contrib/lite/download_dependencies.sh
@@ -0,0 +1,88 @@
+#!/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