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@xxxxxxxx> --- 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
