[Cake] gcc 7.3.1 issue on arch

[Toke Høiland-Jørgensen]

Bret Towe <bret.towe at gmail.com> writes:

> for anyone seeing a compile error like the below on Arch Linux
>
>   CC [M]  /root/sch_cake/sch_cake.o
> In file included from ./include/linux/list.h:9:0,
>                  from ./include/linux/module.h:9,
>                  from /root/sch_cake/sch_cake.c:42:
> ./include/linux/kernel.h:6:10: fatal error: stdarg.h: No such file or directory
>  #include <stdarg.h>
>           ^~~~~~~~~~
> compilation terminated.

I was seeing the same issue on a full kernel compile, which was fixed by
make clean && make

-Toke