C++20??? (Was: Preliminary version of new regex matcher for gawk now available)

In article <66a350e9$0$706$14726298@news.sunsite.dk>,
Aharon Robbins <arnold@skeeve.com> wrote:
...

My system complains about -std=c++20 so I cannot test it. (I think
I'll wait for a native C release.)

>
That will be a while. It's not hard to build current GCC from scratch
on a Linux system.

I doubt that.  I wouldn't have the first clue about how to do it, and I'm
certainly no Linux newbie.

Maybe it (getting/building GCC) should be part of your "bootstrap" script?

Also, is there an easy way to find out if your current GCC is "good enough" ?

The system I am typing this on says it has GCC 9.4?  Will that work?

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