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Posted to jira@arrow.apache.org by "Niranda Perera (Jira)" <ji...@apache.org> on 2021/07/29 19:32:00 UTC
[jira] [Assigned] (ARROW-13493) [C++] Anonymous structs in an
anonymous union are a GNU extension
[ https://issues.apache.org/jira/browse/ARROW-13493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Niranda Perera reassigned ARROW-13493:
--------------------------------------
Assignee: Niranda Perera
> [C++] Anonymous structs in an anonymous union are a GNU extension
> -----------------------------------------------------------------
>
> Key: ARROW-13493
> URL: https://issues.apache.org/jira/browse/ARROW-13493
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, R
> Reporter: Neal Richardson
> Assignee: Niranda Perera
> Priority: Major
> Fix For: 6.0.0, 5.0.1
>
>
> CRAN reports on 5.0.0:
> {code}
> checking whether package ‘arrow’ can be installed ... [43m/20m] WARNING
> Found the following significant warnings:
> /data/gannet/ripley/R/packages/tests-clang/arrow/libarrow/arrow-5.0.0/include/arrow/util/bitmap_reader.h:242:5: warning: anonymous structs are a GNU extension [-Wgnu-anonymous-struct]
> /data/gannet/ripley/R/packages/tests-clang/arrow/libarrow/arrow-5.0.0/include/arrow/util/bitmap_reader.h:242:5: warning: anonymous types declared in an anonymous union are an extension [-Wnested-anon-types]
> /data/gannet/ripley/R/packages/tests-clang/arrow/libarrow/arrow-5.0.0/include/arrow/util/bitmap_writer.h:263:5: warning: anonymous structs are a GNU extension [-Wgnu-anonymous-struct]
> /data/gannet/ripley/R/packages/tests-clang/arrow/libarrow/arrow-5.0.0/include/arrow/util/bitmap_writer.h:263:5: warning: anonymous types declared in an anonymous union are an extension [-Wnested-anon-types]
> See https://www.r-project.org/nosvn/R.check/r-devel-linux-x86_64-fedora-clang/arrow-00install.html for details.
> {code}
> https://github.com/apache/arrow/blob/apache-arrow-5.0.0/cpp/src/arrow/util/bitmap_reader.h#L242-L247
> https://github.com/apache/arrow/blob/apache-arrow-5.0.0/cpp/src/arrow/util/bitmap_writer.h#L263-L268
> This change was introduced in ARROW-13010 (cc [~niranda])
> Aside from the fix, I'm not sure which of the build settings on https://www.stats.ox.ac.uk/pub/bdr/Rconfig/r-devel-linux-x86_64-fedora-clang is missing from our `fedora-clang-devel` build we test on nightly, but we should figure it out (or work with the r-hub maintainers on making a better base image).
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