#!/usr/bin/env bash

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.

# This script builds the static library of libturbojpeg that can be used as dependency of
# mxnet/opencv.
set -ex
TURBO_JPEG_VERSION=2.0.4
if [[ $PLATFORM == 'darwin' ]]; then
    JPEG_NASM_OPTION="-D CMAKE_ASM_NASM_COMPILER=/usr/local/bin/nasm"
fi

if [[ ( ! -f $DEPS_PATH/lib/libjpeg.a ) || ( ! -f $DEPS_PATH/lib/libturbojpeg.a ) ]] && \
       [[ ( ! -f $DEPS_PATH/lib64/libjpeg.a ) || ( ! -f $DEPS_PATH/lib64/libturbojpeg.a ) ]]; then    # download and build libjpeg
    >&2 echo "Building libjpeg-turbo..."
    download \
        https://github.com/libjpeg-turbo/libjpeg-turbo/archive/${TURBO_JPEG_VERSION}.zip \
        ${DEPS_PATH}/libjpeg.zip
    unzip -q $DEPS_PATH/libjpeg.zip -d $DEPS_PATH
    mkdir -p $DEPS_PATH/libjpeg-turbo-$TURBO_JPEG_VERSION/build
    pushd .
    cd $DEPS_PATH/libjpeg-turbo-$TURBO_JPEG_VERSION/build
    cmake \
          -G"Unix Makefiles" \
          -D CMAKE_BUILD_TYPE=RELEASE \
          -D CMAKE_INSTALL_PREFIX=$DEPS_PATH \
          -D CMAKE_C_FLAGS=-fPIC \
          -D WITH_JAVA=FALSE \
          -D WITH_JPEG7=TRUE \
          -D WITH_JPEG8=TRUE \
          $JPEG_NASM_OPTION \
          -D ENABLE_SHARED=FALSE ..
    $MAKE
    $MAKE install
    popd
fi
