dear 大神们：
我下载的rk3399-firefly-industry-71-20190926 代码怎么编译报错啊，错误内容是ninja: error: ‘kernel/arch/arm64/boot/Image’, needed by ‘out/target/product/rk3399_firefly_aioc_ai/kernel’, missing and no known rule to make it，应该是哪个环节出了问题，好像少了代码，请有高手出来指导一下哦
我当前编译环境：
1、系统是Ubuntu 7.5.0-3ubuntu1~18.04
2、同时安装了java-8-openjdk-amd64和java-11-openjdk-amd64
3、切换为java-11-openjdk-amd64是确定可以编译MTK android9.0 的系统软件，已经编译验证过，也下载软件手机开机正常
4、切换为java-8-openjdk-amd64，没有编译通过，因为当前只有Android 7.1 SDK源码（industry版本 3399通用）代码，这个代码我编译不过，没有办法检测是否环境问题
下载代码是参考[u]http://www.t-firefly.com/doc/download/56.html[/u]
这个连接来的
2、mkdir -p ~/proj/firefly-rk3399-Industry
cd ~/proj/firefly-rk3399-Industry
7z x /path/to/rk3399-firefly-industry-71-20190926.7z.001 -r -o.
git reset --hard
这一步我是有疑问的是不是同步已经解压掉了rk3399-firefly-industry-71-20190926.7z.002 这个文件
3步骤中的
3. 若下载仓库失败，目前bundle仓库大约1.4G左右，所以同步的时候可能会出现卡住或失败的问题，可以从下方百度云链接下载并解压到SDK根目录，解压指令如下：
7z x rk3399-industry-nougat-bundle.7z -r -o. && mv rk3399-industry-nougat-bundle/ .bundle/
这一步我没有运行，因为上一步的“下载远程bundle仓库”是成功的
4、接着就直接运行
cd ~/proj/AIO-3399C/
source build/envsetup.sh
AI 版：lunch rk3399_firefly_aioc_ai-userdebug
make -j8
还是编译报错
[ 0% 309/50148] host Java: tagsouplib (out/host/common/obj/JAVA_LIBRARIES/tagsouplib_intermediates/classes)
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
[ 0% 309/50148] host Java: hamcrest-host (out/host/common/obj/JAVA_LIBRARIES/hamcrest-host_intermediates/classes)
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
[ 0% 309/50148] host Java: antlr-runtime (out/host/common/obj/JAVA_LIBRARIES/antlr-runtime_intermediates/classes)
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
[ 0% 309/50148] target Java: core-all (out/target/common/obj/JAVA_LIBRARIES/core-all_intermediates/classes)
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
ninja: build stopped: subcommand failed.
build/core/ninja.mk:148: recipe for target ‘ninja_wrapper’ failed
make: *** [ninja_wrapper] Error 1
是不是环境没有配置好？