Environment Requirements

Table 1 lists the hardware requirements.

Table 2 lists the software requirements.

**Table 2** Software requirements
Item	Download URL
GCC 9.3.0	Link
fifo.tar.gz	Link

Table 3 lists the OS requirements.

**Table 3** OS requirements
OS	Download URL
CentOS 8.0	Link

This practice applies to CentOS 8.0 and openEuler 20.03 LTS SP1. This document uses CentOS 8.0 as an example.

Parent topic: Practice 1: Automatic Repair by the Compiler