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  1. Apache Arrow
  2. ARROW-3165

[CI] Cache externals accross AppVeyor builds

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Won't Do
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: C++, Continuous Integration
    • Labels:
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      Description

      Downloading and building third-party libraries may be consuming a significant chunk of time in our CI chain. It would be nice to cache third-party build artifacts accross CI builds, to save time.

      Unfortunately I ran accross weird issues (especially on Windows / AppVeyor) when trying to implement this. I don't plan to waste any more time on this soon. Attempt at https://github.com/apache/arrow/compare/master...pitrou:externals_dir

      Edit: it seems I finally found the issue on Windows: ninja is case-sensitive, you must be careful to canonicalize paths yourself in custom CMake commands such as in ExternalProject_Add...

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            • Assignee:
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              Reporter:
              apitrou Antoine Pitrou
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