diff options
| author | Behan Webster <behanw@converseincode.com> | 2017-03-27 18:19:09 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-23 08:20:35 +0100 |
| commit | d438cec0737451e3615c4665592b6df0858de41a (patch) | |
| tree | 207683870024300ced84aaa35288aa95f3083891 /Makefile | |
| parent | 14635231f81c94c2a820349a7b96d032cdc02494 (diff) | |
kbuild: use -Oz instead of -Os when using clang
commit 6748cb3c299de1ffbe56733647b01dbcc398c419 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>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -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,) |