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====== VIM3/3L Install Toolchains ======

The Amlogic Platform requires extra toolchains for cross-compiling, you will need to follow these steps to setup.

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

1 Install Cross Compiler for U-Boot BL.
```shell
$ sudo apt-get install gcc-arm-none-eabi
$ wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.bz2
$ wget https://developer.arm.com/-/media/Files/downloads/gnu-rm/6-2017q2/gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2
$ sudo mkdir /opt/toolchains
$ sudo tar -xjf gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.bz2 -C /opt/toolchains
$ sudo tar -xjf gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2 -C /opt/toolchains
```
2 Install Cross-Compiler for Linux Kernel.
```shell
$ wget https://releases.linaro.org/components/toolchain/binaries/6.3-2017.02/arm-linux-gnueabihf/gcc-linaro-6.3.1-2017.02-x86_64_arm-linux-gnueabihf.tar.xz
$ wget https://releases.linaro.org/components/toolchain/binaries/6.3-2017.02/aarch64-linux-gnu/gcc-linaro-6.3.1-2017.02-x86_64_aarch64-linux-gnu.tar.xz
$ sudo mkdir /opt/toolchains
$ sudo tar xvJf gcc-linaro-6.3.1-2017.02-x86_64_arm-linux-gnueabihf.tar.xz -C /opt/toolchains
$ sudo tar xvJf gcc-linaro-6.3.1-2017.02-x86_64_aarch64-linux-gnu.tar.xz -C /opt/toolchains
```
===== 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
```