Previously, in #39387, this protection had been added only for linux x86_64.
And use include_guard() instead of manual if()+set().
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
Make ClickHouse compilable and runnable on risc-v 64
So far only basic functionality was tested (on real hw),
clickhouse server runs, exceptions works, client works,
simple tests works.
What doesn't work:
1. traces - they are always empty
2. system.stack_trace only have first frame
