[Buildroot] [buildroot question] question about toolchain options----large file support

[IaMaPlAyEr]

Hi, all

would somebody tell me if i build all project use origional build toolchain
option.
and after that, i want to use some package which need some toolchain
option(large file support) be selected.

I want to delete all toolchain_build_mips dir and rebuild all project,  is
the best way ?

and another question is, if i build some package use my own toolchain
option, and after that,
 i put it on to my origional rootfs, could it works?


thanks a lot!

-- 
--
Sincerly,

HaveF
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