added building options to RPM, tightened error checking during argument parsing a bit
added building options to RPM, tightened error checking during argument
parsing a bit

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5