Patch merged into serialice/master: 710b9f8 Hide error messages from pkg_config

the following patch was just integrated into master:
commit 710b9f88af90192b086f281ca84d7e099d13cfa6
Author: Stefan Tauner 
Date:   Mon Oct 15 09:40:33 2012 +0200

Hide error messages from pkg_config

We print a clear message and abort anyway if we fail.
    Tested on a system where "lua" is not found, but "lua5.2" is.

Change-Id: Id32749be006a346eb94f189640e842aa6285bdf8
    Signed-off-by: Stefan Tauner

Reviewed-By: Patrick Georgi  at Mon Oct 22 21:43:50 2012, giving +2
See http://review.coreboot.org/1582 for details.

-gerrit