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From "Wes McKinney (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARROW-66) Maybe some missing steps in installation guide
Date Tue, 15 Mar 2016 06:22:33 GMT

    [ https://issues.apache.org/jira/browse/ARROW-66?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15194791#comment-15194791
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Wes McKinney commented on ARROW-66:
-----------------------------------

Cython only performs C++ code generation. You will have to look at the compiler flags to see
what path is being used for the rpath (feel free to post them here). To facilitate further
debugging please post complete console logs, please use {{make VERBOSE=1}} when building libarrow.
To avoid cmake caching problems, please run {{git clean -fdx}} on the entire git clone. 

Note that the test suite currently fails on Python 2.7 (ARROW-55). 

> Maybe some missing steps in installation guide 
> -----------------------------------------------
>
>                 Key: ARROW-66
>                 URL: https://issues.apache.org/jira/browse/ARROW-66
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>         Environment: CentOS 7.0; Python 2.7.x
>            Reporter: Qian Xu
>              Labels: documentation
>
> I followed [the guide|https://github.com/apache/arrow/blob/master/python/doc/INSTALL.md]
to install Arrow project from scratch. I met some issues.
> 1. First of all, I need to build the cpp part. So I setup the thirdparty dependencies.
But when I {{cmake -DCMAKE_INSTALL_PREFIX=$ARROW_HOME ..}}, it shows an error at {{get_filename_component}}
with {{FindGTest.cmake}}. After some digging, I noticed that I have to use *cmake 3* (instead
of cmake 2).
> 2. Now I am able to install {{pyarrow}}. The installation went smooth. But when I import
the module {{pyarrow}}, it says {{ImportError: No module named array}}. I haven't found any
description on this error. 



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