* -c "" need never be tested if getopt params are handled; fail abuild script when getopt parsing fails * use expr to resolve numeric test fails with -c max * cpus variable may be being passed in the environment. Don't overwrite MAKEFLAGS if it is not. Change-Id: I96236ef719a1a9f942b8e15bfcf015d60068e58a Signed-off-by: Raymond Danks <ray.danks@se-eng.com> Reviewed-on: http://review.coreboot.org/1068 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>