如何在Linux CentOS 7或者Red Hat Enterprise 7中，设置gcc，make，rpm-build等开发环境。

可以使用yum在运行的系统上安装开发工具。
yum工具可以选择安装单个rpm，但也可以安装组。

查看所有可用的安装组

# yum grouplist
Available environment groups:
Minimal Install
Infrastructure Server
File and Print Server
Basic Web Server
Virtualization Host
Server with GUI
Available Groups:
Additional Virtualization Tools
Compatibility Libraries
Console Internet Tools
Development Tools
Graphical Administration Tools
Java Base
Java Browser
Java Database
Legacy UNIX Compatibility
Misc
Scientific Support
Security Tools
Smart Card Support
System Administration Tools
System Management
Zhong Yi Song Fonts
Done

查看组的内容

# yum groupinfo "development tools"

安装软件组 “开发工具”

# yum groupinstall "Development Tools"

安装单独的开发工具

例如，安装gcc：

# yum install gcc

或者所有以gcc开头的软件包：

# yum install gcc*