Download and build OpenCV framework for macOS

setup_opencv_macos.sh

#!/bin/bash

set -o errexit
set -o pipefail
set -o nounset

setup_opencv()
{
    printf "*********************************\n${FUNCNAME[0]}\n"
    local readonly PARENT_FOLDER=${1:-third_party}
    local readonly BASE_PATH=$CURRENT_PATH/$PARENT_FOLDER
    
    #########################################
    printf "download\n"
    mkdir -p ${BASE_PATH}/opencv/source/
    cd ${BASE_PATH}/opencv/source/
    git clone https://github.com/opencv/opencv.git . --depth 1
    
    #########################################
    printf "build\n"
    cd ${BASE_PATH}/opencv/
    mkdir macos_build
    cd ${BASE_PATH}/opencv/macos_build
    python ../source/platforms/osx/build_framework.py osx
    
    #########################################
    printf "move framework\n"
    mkdir -p ${BASE_PATH}/opencv/mac/
    mv osx/opencv2.framework/ ${BASE_PATH}/opencv/mac/opencv2.framework/
    
    #########################################
    printf "delete source and build folder\n"
    cd ${BASE_PATH}/opencv/
    rm -Rf ${BASE_PATH}/opencv/source
    rm -Rf ${BASE_PATH}/opencv/macos_build
    
    cd $CURRENT_PATH
}

main()
{
    local PARENT_PATH=${1:?"You need to pass in a parent folder"}
    setup_opencv $PARENT_PATH
}

CURRENT_PATH=$PWD
main $1