[jira] [Updated] (ARROW-6858) [C++] Simplify transitive component dependencies

["Kouhei Sutou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-6858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kouhei Sutou updated ARROW-6858:
--------------------------------
    Summary: [C++] Simplify transitive component dependencies  (was: [C++] Create Python script to handle transitive component dependencies)

> [C++] Simplify transitive component dependencies
> ------------------------------------------------
>
>                 Key: ARROW-6858
>                 URL: https://issues.apache.org/jira/browse/ARROW-6858
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Kouhei Sutou
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> In the C++ build system, we are handling relationships between optional components in an ad hoc fashion
> https://github.com/apache/arrow/blob/d5ba83eebfaf0652ff5f96f943a3d99d5de96dd2/cpp/CMakeLists.txt#L266
> This doesn't seem ideal. 
> As discussed on the mailing list, I suggest declaring dependencies in a Python data structure and then generating and checking in a .cmake file that can be {{include}}d. This will be a big easier than maintaining this on an ad hoc basis. 



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