On Friday 18 March 2016 14:16:23 Vineet Gupta wrote: > diff --git a/arch/arc/Makefile b/arch/arc/Makefile > index fed12f39d8ce..aeb101e8e674 100644 > --- a/arch/arc/Makefile > +++ b/arch/arc/Makefile > @@ -48,9 +48,14 @@ endif > upto_gcc44 := $(call cc-ifversion, -le, 0404, y) > atleast_gcc44 := $(call cc-ifversion, -ge, 0404, y) > atleast_gcc48 := $(call cc-ifversion, -ge, 0408, y) > +is_gcc48 := $(call cc-ifversion, -eq, 0408, y) > > cflags-$(atleast_gcc44) += -fsection-anchors > > +# gcc 4.8 spits out false positives for default -O3 > +# disable these for 4.8 and revisit when we upgrade to newer ver > +cflags-$(is_gcc48) += $(call cc-disable-warning,maybe-uninitialized,) > + > cflags-$(CONFIG_ARC_HAS_LLSC) += -mlock > cflags-$(CONFIG_ARC_HAS_SWAPE) += -mswape Is this any better with gcc-4.9 or gcc-5? Maybe it's better to add the flag to the line that adds -O3 for consistency. We do the same thing for -Os in the global Makefile, as that triggers a similar load of warnings. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
