Re: [linux-next:master 12780/13853] arch/um/drivers/harddog_user.c:6:10: fatal error: stdio.h: No such file or directory

[Richard Weinberger <richard@nod.at>]

----- Ursprüngliche Mail -----
> Von: "kernel test robot" <lkp@intel.com>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> master
> head:   3b85b9b39960c08f29fa91b8d984d055dde6017e
> commit: fc54a4f15988e228cf88f888483e985c5f35031e [12780/13853] um: prevent user
> code in modules
> config: um-allmodconfig
> (https://download.01.org/0day-ci/archive/20230425/202304250419.YtCLtUhG-lkp@intel.com/config)
> compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
> reproduce (this is a W=1 build):
>        #
>        https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=fc54a4f15988e228cf88f888483e985c5f35031e
>        git remote add linux-next
>        https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>        git fetch --no-tags linux-next master
>        git checkout fc54a4f15988e228cf88f888483e985c5f35031e
>        # save the config file
>        mkdir build_dir && cp config build_dir/.config
>        make W=1 O=build_dir ARCH=um olddefconfig
>        make W=1 O=build_dir ARCH=um SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
>| Reported-by: kernel test robot <lkp@intel.com>
>| Link: https://lore.kernel.org/oe-kbuild-all/202304250419.YtCLtUhG-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>>> arch/um/drivers/harddog_user.c:6:10: fatal error: stdio.h: No such file or
>>> directory
>       6 | #include <stdio.h>
>         |          ^~~~~~~~~
>   compilation terminated.

Wild guess, is this a nolibc toolchain?

Thanks,
//richard