[PATCH 31/32] perf powerpc: Use uapi/unistd.h to fix build error

[Josh Boyer]

On Sun, Nov 18, 2012 at 9:29 AM, Arnaldo Carvalho de Melo
<acme at infradead.org> wrote:
> From: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
>
> Use the 'unistd.h' from arch/powerpc/include/uapi to build the perf tool.

This would work for powerpc, but at least s390x and ARM have the same
build issue.  Why would we fix this piecemeal per-arch?

David Howells has a patch that _should_ fix it for all of them at once.
Is there a reason that isn't going in?

josh