if [ "$optimize_cortexa8" = "yes" ]; then
CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
if [ "$optimize_cortexa8" = "yes" ]; then
CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
ASFLAGS="$ASFLAGS -mcpu=cortex-a8"