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> > The flag is only used to silence errors from checks that were added to > `rustc` and it is ignored otherwise (that is why the workaround was > written like that). After reviewing my build logs, I found that the error I encountered was "unknown codegen option: -Cunsafe-allow-abi-mismatch" because I was using rustc 1.85 at the time. The flag was added in rustc 1.88. So this was not an architecture-specific issue. I apologize for the confusion and would like to withdraw this patch. Best regards, HeeSu Kim