Ok, I suspected it might be. The only time I've run into issues like that is when you have both clang and g++ installed. What happens is that some dependencies get built using clang and some with g++ and it ends up being incompatible. I'm not entirely sure why that happens (particularly recently), but to eliminate that as an issue, re-run the installer, but prefix it with something like CC=gcc CXX=g++ ./install.sh --prefix= ...
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