I did encounter to much problems building in a qemu box, but it's a time-consuming job; I took me five days to finished the whole procedure.
If there was no problem with the simulator, I thought we can finish it in 6 to 7 hours in scratchbox. Unfortunately, I think qemu cannot fully support arm eabi version 4 and above. So, I have tried the romote shell approach today. If everything goes well, the whole procedure will take proximately 2 days. Still low performance!
