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====== VIM4 Install Toolchains ======

===== Introduction =====

To build the VIMs SDK source code, you need to install the extra toolchains for cross-compiling.

==== Install directly on PC ====

1. The following software packages of Ubuntu 16.04 (64-bit) shall be installed for compiling Android.

```shell
$ sudo apt-get update
$ sudo apt-get install openjdk-8-jdk automake make git gperf zip dos2unix bison perl gcc g++ tig pkg-config cpp-aarch64-linux-gnu
$ sudo apt-get install unzip lib32z1 libx11-dev lib32z-dev ccache gitk libxml2-utils libssl-dev flex libncurses5 xmllint
```

2. Toolchains for U-Boot.

```shell
$ sudo mkdir /opt/toolchains
$ cd /opt/toolchains
$ sudo wget https://dl.khadas.com/products/vim4/tool/gcc-linaro-7.3.1-2018.05-i686_aarch64-elf.tar.xz
$ sudo wget https://dl.khadas.com/products/vim4/tool/xpack-riscv-none-embed-gcc-8.3.0-1.2-linux-x64.tar.gz
$ sudo tar -xvJf gcc-linaro-7.3.1-2018.05-i686_aarch64-elf.tar.xz -C /opt/toolchains
$ sudo tar -zxvf xpack-riscv-none-embed-gcc-8.3.0-1.2-linux-x64.tar.gz -C /opt/toolchains
```

3. Toolchains for the Linux kernel.

```shell
sudo apt-get install gcc-4.8-aarch64-linux-gnu 
```
The main toolchain for the Linux kernel is provided in the SDK `prebuilts/clang/host/linux-x86/clang-r383902/bin`.

==== Use docker container ====

1. Install docker.

```shell
$ sudo apt update
$ sudo apt install docker docker.io
```
2. Pull the khadas docker image.

```shell
$ sudo docker pull wesion/khadas_android:v0.6
```

3. Run the docker container using the following command.

```shell
$ sudo docker run --privileged -i -t -v /home/you_name:/home/android wesion/khadas_android:v0.6 bash
```
===== Further Reading =====

[[http://openlinux.amlogic.com/|Amlogic Openlinux Website]].