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====== VIM1S Install Toolchains ======

===== Introduction =====

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

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 xmllint libxml2-utils libssl-dev
```

2. Toolchains for U-Boot

```shell
$ sudo mkdir /opt/toolchains
$ cd /opt/toolchains
$ wget https://dl.khadas.com/products/vim4/tool/gcc-linaro-7.3.1-2018.05-i686_aarch64-elf.tar.xz
$ 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''.

===== Further Reading =====

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