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py313t wheel doesn't link against libstdc++ #245

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hawkinsp opened this issue Dec 20, 2024 · 0 comments

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hawkinsp commented Dec 20, 2024

The py313t wheel fails to link against libstdc++

$ ldd /.pyenv/versions/3.13.1t/envs/py313t/lib/python3.13t/site-packages/ml_dtypes/_ml_dtypes_ext.cpython-313t-x86_64-linux-gnu.so
        linux-vdso.so.1 (0x00007f3bb0fbf000)
        libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f3bb0db1000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f3bb0bc8000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f3bb0fc1000)

This leads to import errors if no-one else has loaded libstdc++ first:

E   ImportError: .../ml_dtypes/_ml_dtypes_ext.cpython-313t-x86_64-linux-gnu.so: undefined symbol: _ZTVNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEEE

I'm not sure how this happened, because when I build the wheel locally everything works fine.

The text was updated successfully, but these errors were encountered:

hawkinsp mentioned this issue

BUG: Race adding legacy casts to custom dtype under free threading numpy/numpy#28048

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