On Fri, Oct 14, 2022 at 9:03 AM Nathan Chancellor <nathan@xxxxxxxxxx> wrote: > > On Thu, Oct 13, 2022 at 03:01:17AM +0900, Masahiro Yamada wrote: > > CONFIG_WERROR turns warnings into errors, which happens only for *.c > > files because -Werror is added to KBUILD_CFLAGS. > > > > Adding it to KBUILD_CPPFLAGS makes more sense because preprocessors > > understand the -Werror option. > > > For what it's worth, this is going to break 32-bit ARM builds with clang > plus the integrated assembler due to > https://github.com/ClangBuiltLinux/linux/issues/1315: > > clang-16: error: argument unused during compilation: '-march=armv7-a' [-Werror,-Wunused-command-line-argument] Ah, sorry, I should have finished off that series back then. I've rebased the series and sent a v4. https://lore.kernel.org/llvm/20221014201354.3190007-1-ndesaulniers@xxxxxxxxxx/ You mentioned to me on IRC https://lore.kernel.org/linux-next/CAK7LNARg8OpqLR_71PJV3ZoLuDV8+mz9mphg=CzEeEEMY0G3rw@xxxxxxxxxxxxxx/ maybe will be a conflict. > > Ultimately, I want -Wunused-command-line-argument to be an error anyways > (https://github.com/ClangBuiltLinux/linux/issues/1587) but it would be > nice to get these cleaned up before this goes in. > > Cheers, > Nathan -- Thanks, ~Nick Desaulniers