[jira] [Commented] (ARROW-3047) [C++] cmake downloads and builds ORC even though it's installed

["Antoine Pitrou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-3047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16578334#comment-16578334 ] 

Antoine Pitrou commented on ARROW-3047:
---------------------------------------

Apparently setting ORC_HOME and PROTOBUF_HOME solves this issue.

> [C++] cmake downloads and builds ORC even though it's installed
> ---------------------------------------------------------------
>
>                 Key: ARROW-3047
>                 URL: https://issues.apache.org/jira/browse/ARROW-3047
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 0.10.0
>            Reporter: Antoine Pitrou
>            Priority: Major
>
> I have installed orc 1.5.1 from conda-forge, but our cmake build chain still tries to build protobuf and ORC from source (and fails).
> {code:bash}
> $ ls $CONDA_PREFIX/include/orc/
> ColumnPrinter.hh  Common.hh  Exceptions.hh  Int128.hh  MemoryPool.hh  orc-config.hh  OrcFile.hh  Reader.hh  Statistics.hh  Type.hh  Vector.hh  Writer.hh
> $ ls -l $CONDA_PREFIX/lib/liborc*
> -rw-rw-r-- 2 antoine antoine 1952298 juin  20 17:32 /home/antoine/miniconda3/envs/pyarrow/lib/liborc.a
> {code}
> [~jim.crist]



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