"make oldconfig"的作用是什么?完全在Linux内核的makefile中执行? [英] What does "make oldconfig" do exactly in the Linux kernel makefile?

问题描述

任何人都可以解释一下目标"oldconfig"在Linux内核makefile中的作用吗?我在某些构建文档中看到了它的引用，但从未解释它的确切功能.

Can anyone explain what the target "oldconfig" does exactly in the Linux kernel makefile? I see it referenced in some build documentation but never explained what it does exactly.

推荐答案

它将读取现有的.config文件，并提示用户输入当前内核源中未在文件中找到的选项.当采用现有配置并将其移至新内核时，这很有用.

It reads the existing .config file and prompts the user for options in the current kernel source that are not found in the file. This is useful when taking an existing configuration and moving it to a new kernel.

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