#!/bin/bash
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LYFTP_PUB=http://weike-iot.com:2211/imx6ull/tools/lintools
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PRJ_PATH=`pwd`
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WORK_SPACE=${HOME}/buildroot/
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INST_PATH=/opt/buildroot/cortexA7
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BR_VER=buildroot-2021.02.7
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BR_PAK=${BR_VER}-packets
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BR_TAR=${BR_PAK}.tar.bz2
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BR_CONF=${BR_VER}-cortexA7.config
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JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
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set -u
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set -e
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if [ `id -u` == 0 ] ; then
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echo "ERROR: This shell script shouldn't be excuted by root!"
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exit ;
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fi
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STAGE=0
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function msg_banner()
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{
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STAGE=`expr $STAGE + 1`
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echo ""
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echo "+---------------------------------------------+"
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printf " Stage $STAGE: $1\n"
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echo "+---------------------------------------------+"
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echo ""
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}
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function do_fetch()
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{
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msg_banner "Fetch ${BR_VER} packets"
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if [ -d $BR_VER ] ; then
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printf "\n\n -- ${BR_VER} fetched already -- \n\n"
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return ;
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fi
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if [ ! -s $BR_TAR ] ; then
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printf "\n\n -- fetch ${BR_VER} packet -- \n\n"
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wget ${LYFTP_PUB}/$BR_TAR
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fi
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if [ ! -d $BR_PAK ] ; then
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printf "\n\n -- decompress ${BR_TAR} packet -- \n\n"
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tar -xjf ${BR_TAR}
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fi
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printf "\n\n -- decompress ${BR_VER} -- \n\n"
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tar -xjf ${BR_PAK}/buildroot/${BR_VER}.tar.bz2
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mv ${BR_PAK} ${BR_VER}/dl
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}
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function do_patch()
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{
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msg_banner "Patch for ${BR_VER} "
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cd $BR_VER
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cp dl/buildroot/$BR_CONF .config
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sed -i "s|^BR2_HOST_DIR=.*|BR2_HOST_DIR=\"${INST_PATH}\"|g" .config
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cd -
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}
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function do_build()
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{
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msg_banner "Build ${BR_VER} "
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cd $BR_VER
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make -j ${JOBS}
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cd -
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}
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function do_install()
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{
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msg_banner "Install ${BR_VER} "
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# Packet and install crosstool
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cd `dirname $INST_PATH`
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tar -cjf ${PRJ_PATH}/${BR_VER}-`basename $INST_PATH`.tar.bz2 `basename $INST_PATH`
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# Install rootfs tarball
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cp $WORK_SPACE/$BR_VER/output/images/rootfs.tar.bz2 ${PRJ_PATH}/rootfs_buildroot.tar.bz2
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echo ""
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echo " -- 1. Crosstool already installed to \"$INST_PATH\".";
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echo " -- 2. Crosstool and rootfs packet installed to \"$PRJ_PATH\"";
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echo " -- 3. Build workspace path is \"$WORK_SPACE\", you can remove it now.";
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echo ""
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}
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function do_prepare()
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{
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INST_DIR=`dirname $INST_PATH`
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CUR_USER=`whoami`
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if [ ! -w $INST_DIR ] ; then
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echo ""
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echo "ERROR: Crosstool install path \"$INST_DIR\" not writable, please solve it by follow command: "
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echo " sudo sh -c 'mkdir -p $INST_DIR && chown $CUR_USER.$CUR_USER $INST_DIR' "
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echo ""
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exit ;
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fi
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echo " Switch work space to \"$WORK_SPACE\" "
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mkdir -p $WORK_SPACE
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cd $WORK_SPACE
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}
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do_prepare
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do_fetch
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do_patch
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do_build
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do_install
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