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https://issues.apache.org/jira/browse/ARROW-322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15778776#comment-15778776
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Wes McKinney commented on ARROW-322:
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[~xhochy] since there's no extra thirdparty dependency and these libraries are
loaded only at runtime using dlopen, there's little harm in always building the
module. If it becomes an issue for some reason in the future, we can split it
out into a leaf shared library
> [C++] Do not build HDFS IO interface optionally
> -----------------------------------------------
>
> Key: ARROW-322
> URL: https://issues.apache.org/jira/browse/ARROW-322
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
>
> Currently if you have not built {{arrow::io}} with {{-DARROW_HDFS=on}} then
> importing {{pyarrow.parquet}} fails with a not very graceful error message
> from failure to find the right symbols in {{libarrow_io.so}}. Since we vendor
> {{hdfs.h}} and the libraries are loaded at runtime, having this extra option
> doesn't add much value.
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