Dear "Gao Ya'nan", In message <BANLkTi=Us30_BQjKE8GmCGcY3VHapHCCzA at mail.gmail.com> you wrote: > > compile busbox, And then I got a 1.5MB big fat dynamic-linking binary. I think this should be fixed in BusyBox - when _os is not available, they should use -O2 or similar instead. I just posted the following patch on the BB mailing list: