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CONFIG_WERROR: Compile the kernel with warnings as errors

General informations

The Linux kernel configuration item CONFIG_WERROR:

Help text

A kernel build should not cause any compiler warnings, and this enables the '-Werror' (for C) and '-Dwarnings' (for Rust) flags to enforce that rule by default. Certain warnings from other tools such as the linker may be upgraded to errors with this option as well.

However, if you have a new (or very old) compiler or linker with odd and unusual warnings, or you have some architecture with problems, you may need to disable this config option in order to successfully build the kernel.

If in doubt, say Y.



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