请根据源发行版中的README文件来获得编译说明。
Follow the README file on the source distribution for compilation instructions.
可按源代码格式取得，也可由Linux发行版如ubuntu的维护人员编译后打包。
It is available in source code format and is compiled and packaged by the maintainers of Linux distributions such as Ubuntu.
如果您没有编译自己的内核，那么就要看您的发行版提供商是否启用了这个支持。
If you don't compile your own kernel, you're at the mercy of your distribution provider to enable this support.
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