fatal error: span: No such file or directory about windows-fido-bridge HOT 4 CLOSED

Looks like groovy only includes g++-mingw version 9.3.0, which doesn't include std::span support. The minimum supported version for that is 10

I'm not terribly familiar with Ubuntu, so I'm not sure if there's a better way to get the latest version. I can try investigating some time later this week/weekend.

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Solid research skills.

It's very likely that I've found the same link you did even before opening the issue -> upgraded from 20.04 (g++9.3.0) to 20.10 (g++10.3.0) -> still the same problem.

$ g++ --version

g++ (Ubuntu 10.3.0-1ubuntu1~20.10) 10.3.0

That's the only g++ installed besides g++9 and g++10 which are probably aliases for different versions, unless you're referring to another compiler. I'm not really experienced with this.

from windows-fido-bridge.

From my original comment:

Looks like groovy only includes g++-mingw version 9.3.0

I'm explicitly referring to g++-mingw-w64, which is version 9.3.0 in groovy. Presumably you need to upgrade to 21.04 to get std::span support.

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$ g++-mingw-w64
g++-mingw-w64: command not found

Is there a way I can invoke it to check the version? What package should I be looking for so I could upgrade it?

EDIT: Whoops, didn't see you linked to it.
Updating to 21.10, will check if it compiles then.

EDIT2: Done, works like a charm.
Quick help for anyone upgrading WSL to 21.04
microsoft/WSL#6942 (comment)

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