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  1. Apache Arrow
  2. ARROW-5751

[Packaging][Python] Python macOS wheels have dynamic dependency on libcares

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.14.0
    • Component/s: None

      Description

      I'm afraid while https://github.com/apache/arrow/pull/4685 fixed the macOS wheels for python 3, but the python 2.7 wheel is still broken (with a different error):

      ImportError: dlopen(/Users/pcmoritz/anaconda3/lib/python3.6/site-packages/pyarrow/lib.cpython-36m-darwin.so, 2): Library not loaded: /usr/local/opt/c-ares/lib/libcares.2.dylib
      
        Referenced from: /Users/pcmoritz/anaconda3/lib/python3.6/site-packages/pyarrow/libarrow_python.14.dylib
      
        Reason: image not found

      I tried the same hack as in https://github.com/apache/arrow/pull/4685 for libcares but it doesn't work (removing the .dylib fails one of the earlier build steps). I think the only way to go forward on this is to compile grpc ourselves. My attempt to do this in https://github.com/apache/arrow/compare/master...pcmoritz:mac-wheels-py2 fails because OpenSSL is not found even though I'm specifying the OPENSSL_ROOT_DIR (see https://travis-ci.org/pcmoritz/crossbow/builds/550603543). Let me know if you have any ideas how to fix this!

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              • Assignee:
                wesm Wes McKinney
                Reporter:
                pcmoritz Philipp Moritz
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