编译讯为android7.1注意事项

1. 安装 ubuntu 14.04.05 版本：ubuntu-14.04.05-desktop-amd64.iso

2. 修改 root 密码
   set passwd root
   或
   sudo passwd

3. 设置系统中，数据源为阿里云
   ``

4. 安装 openjdk1.8

apt-get install device-tree-compiler
add-apt-repository ppa:openjdk-r/ppa
apt-get update
apt-get install openjdk-8-jdk

在多个 JDK 版本中切换 JDK：
update-alternatives --config java
update-alternatives --config javac
update-alternatives --config javadoc

4. 安装基础包

#!/bin/bash

####################################################################
# Warning:
# Ubuntu 12.04.2 introduced a new X stack that isn't compatible with
# with the old glx packages.

# ------------------------------------------------------------------
# 12.04                --> 12.04.2 (*-lts-quantal)
# ------------------------------------------------------------------
# libgl1-mesa-glx:i386 --> libgl1-mesa-glx-lts-quantal:i386
# libgl1-mesa-dev      --> libgl1-mesa-dev-lts-quantal
# ------------------------------------------------------------------
#
# DON'T install libgl1-mesa-glx:i386 on 12.04.2, else it will *BREAK*
# your system.
####################################################################

# Execute an action
FA_DoExec() {
	echo "==> Executing: '${@}'"
	eval $@ || exit $?
}

# Ubuntu 12.04.2 LTS
FA_DoExec apt-get install \
	git gnupg flex bison gperf build-essential \
	zip curl libc6-dev libncurses5-dev x11proto-core-dev \
	libx11-dev:i386 libreadline6-dev:i386 \
	libgl1-mesa-glx-lts-quantal:i386 libgl1-mesa-dev-lts-quantal \
	g++-multilib mingw32 tofrodos lib32ncurses5-dev \
	python-markdown libxml2-utils xsltproc zlib1g-dev:i386


if [ ! -h /usr/lib/i386-linux-gnu/libGL.so ]; then
	FA_DoExec ln -s /usr/lib/i386-linux-gnu/mesa/libGL.so.1 \
		/usr/lib/i386-linux-gnu/libGL.so
fi

# Development support
FA_DoExec apt-get install \
	vim dos2unix minicom gawk

4. 解压 android7.1 代码到/home/android7.1

mkdir android7.1
tar -xvf 4418-6818-android7.1-20200811.tar.gz

5. 根据主板芯片类型，修改（内存、显示屏）配置《4418-6818-Android7.1 编译手册.pdf》

6. Ensure Jack server is installed and started

Remove TLSv1, TLSv1.1 from jdk.tls.disabledAlgorithms in /etc/java-8-openjdk/security/java.security file
Restart the jack server: cd /prebuilts/sdk/tools/ ./jack-admin kill-server ./jack-admin start-server

2.