I'm trying to run a compiler for EV3RT, a robot programming platform, on arm64 machine. A compiler for it depends to lib32stdc++6, but it doesn't support for arm64 environment. So I want to prepare lib32stdc++6 package myself. Is there any way to do? I've thought we may extract from gcc or re-compile from gcc's source.

I've tried:

Using Docker to run amd64 on arm64 with this image : not worked