#!/bin/bash

#+--------------------------------------------------------------------------------------------
#|Description:  This shell script used download and compile pppd for RaspberryPi
#|     Author:  GuoWenxue <guowenxue@gmail.com>
#|  ChangeLog:
#|           1, Initialize 1.0.0 on 2011.04.12
#+--------------------------------------------------------------------------------------------

PREFIX_PATH=`pwd`/../install
LYFTP_SRC=ftp://master.iot-yun.club/src/

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_pppd()
{
    SRC_NAME=ppp-2.4.9
    PACK_SUFIX=tar.gz

    if [ -f ${PREFIX_PATH}//usr/local/sbin/pppd ] ; then
        msg_banner "$SRC_NAME already compile and installed"
        return 0;
    fi

    msg_banner "Start cross compile $SRC_NAME "

    if [ ! -f ${SRC_NAME}.${PACK_SUFIX} ] ; then
        #wget https://download.samba.org/pub/ppp/${SRC_NAME}.${PACK_SUFIX}
        wget ${LYFTP_SRC}/${SRC_NAME}.${PACK_SUFIX}
        check_result "ERROR: download ${SRC_NAME} failure"
    fi

    rm -rf ${SRC_NAME}
    tar -xzf ${SRC_NAME}.${PACK_SUFIX}
    check_result "ERROR: decompress ${SRC_NAME} failure"

    cd ${SRC_NAME}

    ./configure
    sed -i -e 's|^FILTER=y.*|#FILTER=y|' pppd/Makefile
    make && make install INSTROOT=${PREFIX_PATH}

    check_result "ERROR: compile ${SRC_NAME} failure"

    cd -
}


compile_pppd