#!/bin/bash

set -e

CROSSTOOL=/opt/crosstool/cortex-a7/bin/arm-linux-gnueabi-
ROOTFS_PATH=`pwd`/../../linux-bsp/rootfs/

APP_SRC=busybox-1.31.0
PACK_SUFFIX=tar.bz2

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

if [ ! -d $APP_SRC ] ; then
    if [ ! -f $APP_SRC.${PACK_SUFFIX} ] ; then
        wget ftp://master.iot-yun.club/src/$APP_SRC.${PACK_SUFFIX}
    fi

    tar -xjf $APP_SRC.${PACK_SUFFIX}
fi



cp config/${APP_SRC}.config $APP_SRC/.config

cd $APP_SRC

sed -i "s|^CONFIG_CROSS_COMPILER_PREFIX.*|CONFIG_CROSS_COMPILER_PREFIX=\"${CROSSTOOL}\"|g" .config
sed -i "s|^CONFIG_PREFIX.*|CONFIG_PREFIX=\"$ROOTFS_PATH\"|g" .config

make &&  make uninstall && sudo make install