Re: [PATCH v3 2/2] kbuild: Don't mess with the .cache.mk when root

From: Ingo Molnar
Date: Tue Mar 13 2018 - 02:16:13 EST



* Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:

> +# Don't create Makefile caches if running as root since they can't be deleted
> +# easily; in the real world we might be root when doing "sudo make install"
> +ifeq ($(shell id -u),0)
> +export KBUILD_NOCACHE := 1
> +endif

Please don't do this - many prominent kernel developers build their kernels as
root - this makes the build slower for them, and also bifurcates testing.

Thanks,

Ingo