增加 Buildroot 使用说明.

Signed-off-by: rick.chan <cy187lion@sina.com>
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rick.chan 2023-07-03 11:58:56 +08:00
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# Buildroot 使用说明
## Buildroot 的构建过程
Here are the steps Buildroot goes through when building a package:
1. Download the package (to the dl directory)
2. Extract the package (inside the output/build directory)
3. Patch the source code
4. Configure the package
5. Build the package
6. Install the package (to output/target directory)
## 主要目录
| Directory | Description |
|-----------|-------------|
| configs | 用于存储 defconfig 等配置文件 |
| dl | 软件包临时下载目录 |
| docs | 文档说明等 |
| linux | Linux 内核的编译指导(*.mk 和 Config 文件) |
| package | 应用程序和中间件、库等的编译指导(*.mk 和 Config 文件) |
| toolchain | 编译和构建工具 |
| output/[platform]/build | 软件包编译的解压目录 |
| output/[platform]/target | 软件包的安装目录 |