Score:0

E: Unable to locate package libstdc++-12-dev

cn flag

I cannot find libstdc++12-dev or any of the previous versions on the docker container of Ubuntu20.04.

I tried to run sudo apt install libstdc++-12-dev.

Score:0
ru flag

In Ubuntu 20.04 you have libstdc++-10-dev available.

Always remember to do a apt update in a fresh docker-container since the package cache is not built up in the image.

After that you should be able to install the library by doing:

$# apt install libstdc++-10-dev
Score:0
sa flag

Upgrading from Ubuntu 20.04 to Ubuntu 22.04 is an option. libstdc++-12-dev can be installed from the default repositories with sudo apt install libstdc++-12-dev in Ubuntu 22.04 or later.

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