Preparing Compilation Environment

To prepare a compilation environment, perform the following steps:

Steps:

Visit this link and download the latest version of riscv64-unknown-elf-toolchain-xxx according to your operating system.
Unzip the downloaded toolchain by typing the following:
```
tar -xzvf <Toolchain_Name>
```
Tip: <Toolchain_Name> refers to the name of the downloaded toolchain in the previous step. For example, riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz.
Open .bashrc file by typing the following:
```
gedit ~/.bashrc
```
Add the following line, save and exit:
```
export PATH=$PATH:<Unzipped_Compiler_Path>/bin
```
Tip: <Unzipped_Compiler_Path> refers to the location of the unzipped compiler. For example, /home/yingpeng/Downloads/riscv64-unknown-elf-toolchain-xxx/.
Example:
```
export PATH=$PATH:/home/yingpeng/Downloads/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin
```
Type the following to make the change effective:
```
source ~/.bashrc
```
Command Example and Result:

The following figure shows an example command and the result:

Figure 1. Example Output