mirror of
https://github.com/torvalds/linux
synced 2024-10-15 15:59:15 +00:00
kbuild: use -Oz instead of -Os when using clang
This generates smaller resulting object code when compiled with clang. Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
parent
c3f0d0bc5b
commit
6748cb3c29
3
Makefile
3
Makefile
|
@ -638,7 +638,8 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,)
|
||||||
endif
|
endif
|
||||||
|
|
||||||
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
|
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
|
else
|
||||||
ifdef CONFIG_PROFILE_ALL_BRANCHES
|
ifdef CONFIG_PROFILE_ALL_BRANCHES
|
||||||
KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
|
KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
|
||||||
|
|
Loading…
Reference in a new issue