This generates smaller resulting object code when compiled with clang. Signed-off-by: Matthias Kaehlcke <m...@chromium.org> --- Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile index b2faa9319372..66bcdbf58371 100644 --- a/Makefile +++ b/Makefile @@ -638,7 +638,8 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) endif ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE -KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,) +KBUILD_CFLAGS += $(call cc-option,-Oz,-Os) +KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,) else ifdef CONFIG_PROFILE_ALL_BRANCHES KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,) -- 2.12.2.564.g063fe858b8-goog
