the self built bl602_boot2 is very different from pre-built one

[pinecheng]

I once again checked where the main function comes from from my build log.  The libraries: libbl602_boot2.a, libbl602.a, andlibbl602_std.a are the products of components that bootloader depends on. And the "main" seems to come from the libbl602_std.a (bl602_mfg_flash.c) instead of libbl602_boot2.a (blsp_boot2.c).

So the question now is what is the correct way to build the bootloader blsp_boot2?
thanks