I guess this is failing on http://bronze.eng.hq.xensource.com/job/build-xenserver-core-master-centos/663/console
11:27:04 + unset DISPLAY
11:27:04 + cp save.h
11:27:04 cp: missing destination file operand after `save.h'
11:27:04 Try `cp --help' for more information.