[Xcb] [PATCH:util-cursor] Improve the handling of gperf in Makefile.am

[Josh Triplett]

On Sun, Oct 13, 2013 at 12:12:53PM +0200, Uli Schlachter wrote:
> Hi everyone,
> 
> yesterday xcb-util-cursor was added to Archlinux. An hour later, the package was
> changed to depend on gperf, because it produced a broken libxcb-cursor.so
> (undefined reference to cursor_shape_to_id). Thus I started looking into
> util-cursor once again.
> 
> The first patch improves make's output. Apparently, my automake version now
> defaults to silent builds by default and having the long gperf call in the
> middle of make's output looked weird.
> 
> The second patch makes the build fail if gperf is needed but not available.

For both patches:

Reviewed-by: Josh Triplett <josh at joshtriplett.org>