ImportError when compiling with gcc 14.1.1 and conda about yt HOT 6 OPEN

After some digging, it seems like:

1. numpy, cython, etc. depend on libstdcxx-ng >= 12 (the C++ standard library),
2. conda resolves this to libstdcxx-ng == 13.2 at the time of writing (10/06/2024),
3. with a system with GCC 14, this seems to lead to incompatibilities between the expected C++ stdlib and the one conda provides.

I'm not sure how to fix it. In the meantime, compiling with GCC-13 works :)

from yt.

Gotcha! Here's more info:

$ python -c "import yt"
# fails with `ImportError: [...]/yt/utilities/lib/image_samplers.cpython-312-x86_64-linux-gnu.so
# undefined symbol: __cxa_call_terminate`

$ ldd yt/utilities/lib/image_samplers.cpython-312-x86_64-linux-gnu.so
[...]
	libstdc++.so.6 => ~/miniforge3/envs/py312/lib/libstdc++.so.6 (0x00007fd779101000)
[...]

# If we preload the system C++ std library this now works
$ LD_PRELOAD=/usr/lib64/libstdc++.so.6.0.33 python -c 'import yt'

from yt.

Is it possible that you are compiling with the "wrong" CXX and this gets baked in? I don't see and gxx packages in your list.

from yt.

The gcc/g++ version that is being used by default is the system one. Or are you saying one should install gcc/g++ with conda?

I'm not sure there's any actionable solution for this issue, so I'm also fine to close it as "stalled".

from yt.

Could you try installing the conda gcc/g++ and seeing if that fixes it?

from yt.

probably not helpful, but I am running yt with GCC 14.1. I install from source and build with pip install ..

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