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Subject[PATCH] kbuild: use -E instead of -c for __cc-option
Date
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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