| From | Arnd Bergmann <> | Subject | [PATCH 01/22] kbuild: disable -Wformat-truncation warnings by default | Date | Fri, 14 Jul 2017 14:06:53 +0200 |
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With x86 allmodconfig, we currently get 233 -Wformat-truncation warnings, which makes the entire warnings rather useless.
This turns off the warning by default, unless we specify W=1 or higher
Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- scripts/Makefile.extrawarn | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index fb3522fd8702..4b63c2f71adb 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -67,5 +67,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format) KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare) KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length) KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized) +else +# noisy gcc-7 warnings +KBUILD_CFLAGS += $(call cc-option,-Wformat-truncation=0) endif endif -- 2.9.0
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