This is necessary since the build may change the the properties of
the build targets (executable name, etc.), so we can not proceed
to run anything without that update.

Change-Id: I9790c529db5e4da61f59e638a05339ada714353c
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>