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

[Uli Schlachter]

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.

Cheers,
Uli

P.S.: Due to PEBKAC I am sending the patches as file attachments. Sorry.
-- 
Who needs a ~/.signature anyway?
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