mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-02 23:27:06 +00:00
kbuild: use -Oz instead of -Os when using clang
commit 6748cb3c29
upstream.
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>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
14635231f8
commit
d438cec073
1 changed files with 2 additions and 1 deletions
3
Makefile
3
Makefile
|
@ -644,7 +644,8 @@ 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,)
|
||||
|
|
Loading…
Reference in a new issue