Hi Nick, 2018年10月2日(火) 2:18 Nick Desaulniers <ndesaulniers@xxxxxxxxxx>: > > On Mon, Oct 1, 2018 at 2:45 AM Masahiro Yamada > <yamada.masahiro@xxxxxxxxxxxxx> wrote: > > > > We have raised the compiler requirement from time to time. > > With commit cafa0010cd51 ("Raise the minimum required gcc version > > to 4.6"), the minimum for GCC is 4.6 now. > > > > This flag was added by GCC 4.6, and it is recognized by Clang and > > ICC as well. > > This doesn't seem to be the case for Clang: > https://godbolt.org/z/qesF5o > > Nacked-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Hmm, I tested this patch with pre-built Clang 6.0.1 / 7.0.0 downloaded from http://releases.llvm.org/download.html Was this option dropped by clang 8 ? > > > > > Let's rip off the cc-disable-warning switch, and see if somebody > > complains about it. > > > > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> > > --- > > > > Makefile | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/Makefile b/Makefile > > index 8a23fee..2627266 100644 > > --- a/Makefile > > +++ b/Makefile > > @@ -716,7 +716,7 @@ else > > > > # These warnings generated too much noise in a regular build. > > # Use make W=1 to enable them (see scripts/Makefile.extrawarn) > > -KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) > > +KBUILD_CFLAGS += -Wno-unused-but-set-variable > > endif > > > > KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) > > -- > > 2.7.4 > > > > > -- > Thanks, > ~Nick Desaulniers -- Best Regards Masahiro Yamada