On 2014-07-01 12:12, Borislav Petkov wrote: > On Mon, Jun 30, 2014 at 05:42:26PM -0700, behanw@xxxxxxxxxxxxxxxxxx wrote: >> From: Behan Webster <behanw@xxxxxxxxxxxxxxxxxx> >> >> Only consider clang warnings in Kbuild when using the clang compiler. >> >> Signed-off-by: Behan Webster <behanw@xxxxxxxxxxxxxxxxxx> >> --- >> scripts/Makefile.extrawarn | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn >> index 6564350..e350127 100644 >> --- a/scripts/Makefile.extrawarn >> +++ b/scripts/Makefile.extrawarn >> @@ -26,7 +26,7 @@ warning-1 += $(call cc-option, -Wmissing-include-dirs) >> warning-1 += $(call cc-option, -Wunused-but-set-variable) >> warning-1 += $(call cc-disable-warning, missing-field-initializers) >> >> -# Clang >> +ifeq ($(COMPILER),clang) >> warning-1 += $(call cc-disable-warning, initializer-overrides) >> warning-1 += $(call cc-disable-warning, unused-value) >> warning-1 += $(call cc-disable-warning, format) >> @@ -35,6 +35,7 @@ warning-1 += $(call cc-disable-warning, sign-compare) >> warning-1 += $(call cc-disable-warning, format-zero-length) >> warning-1 += $(call cc-disable-warning, uninitialized) >> warning-1 += $(call cc-option, -fcatch-undefined-behavior) >> +endif > > Ok, just to make sure I understand that whole use case correctly: > > The disabling of those warnings is really intended for the case where > people build the kernel with "W=1" on the make cmdline *and* clang? Behan, Jan-Simon, can you explain why are those -Wno-... options needed in the W=1 case? The whole point of the W= option is to enable noisy warnings, so I don't quite get why you want to silence these. Thanks, Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
