ABI: Compare several libxcb-* versions by counting symbols
This lets us choose the right implementation to run a more recent container on SteamOS 2 'brewmaster'. (T23269, T23271)
/cc @smcv
This lets us choose the right implementation to run a more recent container on SteamOS 2 'brewmaster'. (T23269, T23271)
/cc @smcv