On Fri, Jun 28, 2019 at 2:13 PM Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote: > > 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> > --- Applied to linux-kbuild. > 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 > -- Best Regards Masahiro Yamada