On Mon, Mar 12, 2018 at 11:23 PM Doug Anderson <dianders@xxxxxxxxxxxx> wrote: > Hi, > On Mon, Mar 12, 2018 at 11:16 PM, Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > > > * 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. > Ah, interesting. I hadn't realized that! > I'm OK with dropping this patch myself. It was mostly addressing a > potential problem pointed out by Masahiro Yamada when we were talking > about .cache.mk, but I don't think anyone has actually experienced the > problems listed in the CL description. > /bin/sh: ./.cache.mk: Permission denied I feel like I've definitely seen that permission error before. Is there any issue if I: $ make clean $ make $ sudo make install <hack around> $ make Or it's only a problem if: $ make clean $ sudo make install <hack around> $ make -- Thanks, ~Nick Desaulniers -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
