On Wed, Aug 18, 2021 at 10:40 AM Nathan Chancellor wrote:
>
>
>
> On 8/17/2021 11:07 AM, 'Nick Desaulniers' via Clang Built Linux wrote:
> > On Mon, Aug 16, 2021 at 7:05 PM Nathan Chancellor 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
> >>> Cc: linux-snps-arc@lists.infradead.org
> >>> Signed-off-by: Nick Desaulniers
> >>> ---
> >>>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
>
> Ah, fair enough. The warning is a little unconventional but oh well :)
>
> Reviewed-by: Nathan Chancellor
>
> >>
> >> 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
> >>>
> >
> >
> >
Applied to linux-kbuild.
--
Best Regards
Masahiro Yamada
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