#!/bin/bash

# libraries install path
INST_PATH=`pwd`/../install

# LingYun studio FTP server address for all the open source code
LYFTP_SRC=ftp://master.iot-yun.club/src/

# set shell script exit when any command failure
set -e

# funciton used to build cjson source code
function build_cjson()
{
   SRC_NAME=cJSON-1.7.15

   if [ -L $INST_PATH/lib/libcjson.so ] ; then
      echo "$SRC_NAME already compile and installed"
      return ;
   fi

   # If source code tarball file not exist, it will download the packet.
   if [ ! -f ${SRC_NAME}.tar.gz ] ; then
      wget ${LYFTP_SRC}/${SRC_NAME}.tar.gz
   fi


   # If source code folder not exist, decompress the tarball packet
   if [ ! -d ${SRC_NAME} ] ; then
      tar -xzf ${SRC_NAME}.tar.gz
   fi

   cd ${SRC_NAME}

   make && make DESTDIR=${INST_PATH} PREFIX=/ install

   cd -
}

# start build cjson

build_cjson