mkdir ~/bin
PATH=~/bin:$PATH
curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo
chmod +x ~/bin/repo

wget https://mirrors.tuna.tsinghua.edu.cn/aosp-monthly/aosp-latest.tar

tar xf aosp-latest.tar

cd aosp
repo sync

sudo apt-get install libx11-dev:i386 libreadline6-dev:i386 libgl1-mesa-dev g++-multilib 
sudo apt-get install -y git flex bison gperf build-essential libncurses5-dev:i386 
sudo apt-get install tofrodos python-markdown libxml2-utils xsltproc zlib1g-dev:i386 
sudo apt-get install dpkg-dev libsdl1.2-dev libesd0-dev
sudo apt-get install git-core gnupg flex bison gperf build-essential 
sudo apt-get install zip curl zlib1g-dev gcc-multilib g++-multilib 
sudo apt-get install libc6-dev-i386 
sudo apt-get install lib32ncurses5-dev x11proto-core-dev libx11-dev 
sudo apt-get install libgl1-mesa-dev libxml2-utils xsltproc unzip m4
sudo apt-get install lib32z-dev ccache

sudo apt-get install openjdk-7-jdk

sudo apt-get install gcc

sudo apt-get update

export ANDROID_JACK_VM_ARGS="-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx6g"

source build/envsetup.sh
lunch aosp_arm-eng
make -j8

export ANDROID_PRODUCT_OUT=out/target/product/generic
export ANDROID_BIN=out/host/linux-x86/bin
PATH=$ANDROID_BIN:$PATH

source build/envsetup.sh
lunch aosp_arm-eng
emulator64-arm -gpu off -memory 2048