1#!/usr/bin/env bash
2
3# Licensed to the Apache Software Foundation (ASF) under one
4# or more contributor license agreements.  See the NOTICE file
5# distributed with this work for additional information
6# regarding copyright ownership.  The ASF licenses this file
7# to you under the Apache License, Version 2.0 (the
8# "License"); you may not use this file except in compliance
9# with the License.  You may obtain a copy of the License at
10#
11#   http://www.apache.org/licenses/LICENSE-2.0
12#
13# Unless required by applicable law or agreed to in writing,
14# software distributed under the License is distributed on an
15# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16# KIND, either express or implied.  See the License for the
17# specific language governing permissions and limitations
18# under the License.
19
20# This script imports the headers from eigen3 that can be used to in opencv.
21set -ex
22EIGEN_VERSION=3.3.4
23if [[ ! -d $DEPS_PATH/include/eigen3 ]]; then
24    # download eigen
25    >&2 echo "Loading eigen..."
26    download \
27        https://github.com/eigenteam/eigen-git-mirror/archive/${EIGEN_VERSION}.zip \
28        ${DEPS_PATH}/eigen.zip
29    unzip -q $DEPS_PATH/eigen.zip -d $DEPS_PATH
30    mkdir -p $DEPS_PATH/eigen-git-mirror-$EIGEN_VERSION/build
31    pushd .
32    cd $DEPS_PATH/eigen-git-mirror-$EIGEN_VERSION/build
33    cmake \
34          -D CMAKE_BUILD_TYPE=RELEASE \
35          -D EIGEN_MPL2_ONLY=1 \
36          -D CMAKE_INSTALL_PREFIX=$DEPS_PATH ..
37    $MAKE install
38    popd
39fi
40