Messages in this thread Patch in this message | | | From | Masahiro Yamada <> | Subject | [PATCH] kbuild: use -E instead of -c for __cc-option | Date | Fri, 28 Jun 2019 14:13:00 +0900 |
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Use -E instead of -c like scripts/Kconfig.include This makes the compiler flag evaluation slightly faster.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> ---
scripts/Kbuild.include | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index f641bb0aa63f..e4329b92d165 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -113,7 +113,7 @@ as-instr = $(call try-run,\ # __cc-option # Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586) __cc-option = $(call try-run,\ - $(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4)) + $(1) -Werror $(2) $(3) -E -x c /dev/null -o "$$TMP",$(3),$(4)) # Do not attempt to build with gcc plugins during cc-option tests. # (And this uses delayed resolution so the flags will be up to date.) -- 2.17.1
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