* Paul Mackerras <pau...@samba.org> wrote:
> This also removes the -Werror flag when building on a 64-bit powerpc
> machine. The userspace definition of u64 is unsigned long rather
> than unsigned long long, meaning that gcc warns every time a u64
> is printed with %Lx or %llx (though that does work properly).
> In future we may use PRI64 etc. for printing 64-bit quantities,
> which would eliminate these warnings.
> +# Don't use -Werror on ppc64; we get warnings due to using
> +# %Lx formats on __u64, which is unsigned long.
> +Werror := -Werror
> +ifeq ($(uname_M),ppc64)
> + Werror :=
> +endif
Note, i left out this bit from the commit - we need to find a better
solution than to allow ugly warnings on PowerPC.
Could we use the kernel's u64 type directly perhaps? That would
allow us to change all __u64 to u64 in all of tools/perf/ which is a
nice clean-up in any case.
Ingo
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