&> is a bashism to redirect both outward streams (stdout and stderr), but
with other shells this introduces a race condition with the rm command
after it, because the compiler execution is done in the background/
in parallel. Found and tested with dash.
Change-Id: I08516494828c9f7af168f954f2df027372657867
Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at>
Reviewed-on: http://review.coreboot.org/1573
Tested-by: build bot (Jenkins)
Reviewed-by: Bernhard Urban <lewurm@gmail.com>
Reviewed-by: Peter Stuge <peter@stuge.se>