Some toolchains enable security warning flags by default, but these don't really make sense in the u-boot world. Such as forcing changes like: -printf(foo); +printf("%s", foo);
So disable the flags when the compiler supports them. Linux has already merged a similar change in their build system.
Signed-off-by: Mike Frysinger vapier@gentoo.org --- config.mk | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/config.mk b/config.mk index fa46ff1..97d2631 100644 --- a/config.mk +++ b/config.mk @@ -191,6 +191,10 @@ CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes endif
CFLAGS += $(call cc-option,-fno-stack-protector) +# Some toolchains enable security related warning flags by default, +# but they don't make much sense in the u-boot world, so disable them. +CFLAGS += $(call cc-option,-Wno-format-nonliteral) +CFLAGS += $(call cc-option,-Wno-format-security)
# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format> # option to the assembler.