Use -E instead of -c like scripts/Kconfig.include This makes the compiler flag evaluation slightly faster. Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> --- 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
