#!/bin/bash

set -e

PREFIX_PATH=`pwd`/../install/

LYFTP_SRC=http://master.weike-iot.com:2211/src/

CROSSTOOL=/opt/gcc-aarch32-10.3-2021.07/bin/arm-none-linux-gnueabihf-

TOOLCHAIN=cortexa7.toolchain.cmake

JOBS=`cat /proc/cpuinfo  |  grep processor | wc -l`

function msg_banner()
{
    echo ""
    echo "+-----------------------------------------------------------------------"
    echo "|  $1 " 
    echo "+-----------------------------------------------------------------------"
    echo ""
}

function check_result()
{
    if [ $? != 0 ] ; then
       echo ""
       echo "+-----------------------------------------------------------------------"
       echo "|  $1 "
       echo "+-----------------------------------------------------------------------"
       echo ""
       exit ;
    fi
}


function compile_opencv()
{
    SRC_NAME=opencv-3.4.6
    PACK_SUFIX=zip

    if [ -f ${PREFIX_PATH}/lib/libopencv_core.so ] ; then
        msg_banner "$SRC_NAME already compile and installed"
        return 0;
    fi

    msg_banner "Start cross compile $SRC_NAME "


    if [ ! -d $SRC_NAME ] ; then 
        if [ ! -f $SRC_NAME.zip ] ; then 
            wget $LYFTP_SRC/$SRC_NAME.${PACK_SUFIX}
        fi

        unzip $SRC_NAME.${PACK_SUFIX}
    fi

    cd $SRC_NAME

    rm -f platforms/linux/${TOOLCHAIN} 
    cat >platforms/linux/${TOOLCHAIN} <<EOF

set(GCC_COMPILER_VERSION "" CACHE STRING "GCC Compiler version")
set(GNU_MACHINE "${CROSSTOOL%*-}" CACHE STRING "GNU compiler triple")
include("\${CMAKE_CURRENT_LIST_DIR}/arm.toolchain.cmake")

EOF

    mkdir -p release
    cd release

    cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=`pwd`/../../../install \
        -DCMAKE_TOOLCHAIN_FILE="../platforms/linux/${TOOLCHAIN}" -DSOFTFP=ON -DENABLE_PROFILING=OFF \
        -DWITH_OPENCL=OFF -DWITH_TBB=ON  -DWITH_V4L=ON -DHAVE_CAMV4L2=ON -DBUILD_TESTS=OFF \
        -DINSTALL_PYTHON_EXAMPLES=OFF -DBUILD_EXAMPLES=OFF -DWITH_FFMPEG=ON -DHAVE_FFMPEG=ON \
        -DBUILD_opencv_js=OFF -DENABLE_NEON=OFF -DENABLE_VFPV3=OFF ../

    make && make install

    cd -
}

compile_opencv