Hi Adam,

Thanks for your hint! but x86_64_defconfig meets my x86_64 environment :)
> Please use a defconfig for the initial setup, e.g.:

> make O=build x86_32-native_defconfig

> That should get the options right.
-- 
Regards,
Leslie Zhai - a LLVM hacker https://reviews.llvm.org/p/xiangzhai/
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