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#!/usr/bin/env bash
# Copyright 2016 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.
# ==============================================================================
# Downloads and builds all of TensorFlow's dependencies for Linux, and compiles
# the TensorFlow library itself. Supported on Ubuntu 14.04 and 16.04.
set -e
# Make sure we're in the correct directory, at the root of the source tree.
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd ${SCRIPT_DIR}/../../../
source "${SCRIPT_DIR}/build_helper.subr"
JOB_COUNT="${JOB_COUNT:-$(get_job_count)}"
# Remove any old files first.
make -f tensorflow/contrib/makefile/Makefile clean
rm -rf tensorflow/contrib/makefile/downloads
# Pull down the required versions of the frameworks we need.
tensorflow/contrib/makefile/download_dependencies.sh
# Compile nsync.
# Don't use export var=`something` syntax; it swallows the exit status.
HOST_NSYNC_LIB=`tensorflow/contrib/makefile/compile_nsync.sh`
TARGET_NSYNC_LIB="$HOST_NSYNC_LIB"
export HOST_NSYNC_LIB TARGET_NSYNC_LIB
# Compile protobuf.
tensorflow/contrib/makefile/compile_linux_protobuf.sh
# Build TensorFlow.
make -j"${JOB_COUNT}" -f tensorflow/contrib/makefile/Makefile \
OPTFLAGS="-O3 -march=native" \
HOST_CXXFLAGS="--std=c++11 -march=native" \
MAKEFILE_DIR=$SCRIPT_DIR
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