#!/bin/bash
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set -e
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CROSSTOOL=/opt/crosstool/cortex-a7/bin/arm-linux-gnueabi-
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ROOTFS_PATH=`pwd`/../../linux-bsp/rootfs/
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APP_SRC=busybox-1.31.0
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PACK_SUFFIX=tar.bz2
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JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
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if [ ! -d $APP_SRC ] ; then
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if [ ! -f $APP_SRC.${PACK_SUFFIX} ] ; then
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wget ftp://master.iot-yun.club/src/$APP_SRC.${PACK_SUFFIX}
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fi
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tar -xjf $APP_SRC.${PACK_SUFFIX}
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fi
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cp config/${APP_SRC}.config $APP_SRC/.config
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cd $APP_SRC
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sed -i "s|^CONFIG_CROSS_COMPILER_PREFIX.*|CONFIG_CROSS_COMPILER_PREFIX=\"${CROSSTOOL}\"|g" .config
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sed -i "s|^CONFIG_PREFIX.*|CONFIG_PREFIX=\"$ROOTFS_PATH\"|g" .config
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make && make uninstall && sudo make install
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