[PATCH 6/6] perf_counter: tools: Makefile tweaks for 64-bit powerpc

[Paul Mackerras]

Ingo Molnar writes:

> 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.

This is userspace, we can use "u64" however we like. :)  I'll cook up
a patch to add "typedef unsigned long long u64" and change __u64 to
u64.

Paul.