On Mon, Aug 16, 2021 at 7:05 PM Nathan Chancellor <nathan@xxxxxxxxxx> wrote: > > On 8/16/2021 5:21 PM, 'Nick Desaulniers' via Clang Built Linux wrote: > > cc-option-yn can be replaced with cc-option. ie. > > Checking for support: > > ifeq ($(call cc-option-yn,$(FLAG)),y) > > becomes: > > ifneq ($(call cc-option,$(FLAG)),) > > > > Checking for lack of support: > > ifeq ($(call cc-option-yn,$(FLAG)),n) > > becomes: > > ifeq ($(call cc-option,$(FLAG)),) > > > > This allows us to pursue removing cc-option-yn. > > > > Cc: Vineet Gupta <vgupta@xxxxxxxxxx> > > Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx > > Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > > --- > > arch/arc/Makefile | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > diff --git a/arch/arc/Makefile b/arch/arc/Makefile > > index c0d87ac2e221..8782a03f24a8 100644 > > --- a/arch/arc/Makefile > > +++ b/arch/arc/Makefile > > @@ -18,8 +18,7 @@ ifeq ($(CONFIG_ARC_TUNE_MCPU),"") > > cflags-y += $(tune-mcpu-def-y) > > else > > tune-mcpu := $(shell echo $(CONFIG_ARC_TUNE_MCPU)) > > -tune-mcpu-ok := $(call cc-option-yn, $(tune-mcpu)) > > -ifeq ($(tune-mcpu-ok),y) > > +ifneq ($(call cc-option,$(tune-mcpu)),) > > cflags-y += $(tune-mcpu) > > Any reason not to just turn this into > > cflags-y += $(call cc-option,$(tune-mcpu)) > > ? Yes, you'll need to pull up the source; the diff doesn't provide enough context. tune-mcpu is used in the body of the else branch hinted at by the diff. PTAL > > If $(tune-mcpu) is empty or invalid, nothing will be added to cflags-y. > > > else > > # The flag provided by 'CONFIG_ARC_TUNE_MCPU' option isn't known by this compiler > > -- Thanks, ~Nick Desaulniers