[jira] [Created] (ARROW-7864) [R] Make sure bundled installation works even if there are system packages

["Neal Richardson (Jira)" <ji...@apache.org>]

Neal Richardson created ARROW-7864:
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             Summary: [R] Make sure bundled installation works even if there are system packages
                 Key: ARROW-7864
                 URL: https://issues.apache.org/jira/browse/ARROW-7864
             Project: Apache Arrow
          Issue Type: Improvement
          Components: R
            Reporter: Neal Richardson
             Fix For: 1.0.0


Among the issues:

* In https://github.com/apache/arrow/issues/6435: 0.15 system packages didn't have libarrow_dataset, so if they're installed and you try to install 0.16, pkg-config probably reports that the packages aren't available and it tries to build from source. That's fine except that in the linking step, apparently the system packages are being picked up instead of the static libs we just built, so installation fails (presumably until you either upgrade the system packages or delete them). In general, if we've decided to build/download static libs to match the R package, we should make sure those are the ones that get picked up.
* Whenever pkg-config does find packages, check the version and make sure it matches the R version, and if not, don't use them because they almost certainly won't work.



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