On Wed, Nov 20, 2024 at 03:28:35AM +0900, Masahiro Yamada wrote: > Some Makefile overriding KBUILD_CFLAGS would forget to add > $(CSTD_FLAG), for the same reason as they would forget to add > -std=gnu11. But at least we'd have 1 place to change when we changed the std level. FWIW, I just ran into this build failure too testing GCC 15 from their ToT. Both EFI and compressed Makefiles needed it in my build. -- Kees Cook