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Date: Mon, 16 Oct 2017 10:12:46 -0700 From: Douglas Anderson <dianders@...omium.org> To: yamada.masahiro@...ionext.com Cc: groeck@...omium.org, sjg@...omium.org, briannorris@...omium.org, mingo@...nel.org, Douglas Anderson <dianders@...omium.org>, Michal Marek <michal.lkml@...kovi.net>, linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org Subject: [PATCH v4 2/2] kbuild: Cache a few more calls to the compiler These are a few stragglers that I left out of the original patch to cache calls to the C compiler ("kbuild: Add a cache for generated variables") because they bleed out into the main Makefile and thus uglify things a little bit. The idea is the same here, though. Signed-off-by: Douglas Anderson <dianders@...omium.org> Tested-by: Ingo Molnar <mingo@...nel.org> Tested-by: Guenter Roeck <linux@...ck-us.net> --- Changes in v4: None Changes in v3: - Add Tested-by for Ingo and Guenter since v2 and v3 are very similar Changes in v2: - Abstract at a different level (like shell-cached) per Masahiro Yamada Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index a2d715d7a327..5c82cca84d29 100644 --- a/Makefile +++ b/Makefile @@ -638,7 +638,7 @@ KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \ KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) # check for 'asm goto' -ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) +ifeq ($(call shell-cached,$(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO endif @@ -774,7 +774,7 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) endif # arch Makefile may override CC so keep this after arch Makefile is included -NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) +NOSTDINC_FLAGS += -nostdinc -isystem $(call shell-cached,$(CC) -print-file-name=include) CHECKFLAGS += $(NOSTDINC_FLAGS) # warn about C99 declaration after statement -- 2.15.0.rc0.271.g36b669edcc-goog
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