[jira] [Commented] (ARROW-902) offline build support

["Wes McKinney (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15985320#comment-15985320 ] 

Wes McKinney commented on ARROW-902:
------------------------------------

You can already accomplish this by building an external toolchain and setting the *_HOME environment variables. We could also provide environment variables for setting the local tarball locations. Patch would be welcome for this

> offline build support
> ---------------------
>
>                 Key: ARROW-902
>                 URL: https://issues.apache.org/jira/browse/ARROW-902
>             Project: Apache Arrow
>          Issue Type: Wish
>            Reporter: Luke Higgins
>            Priority: Minor
>
> Could there be a flag or similar to make offline building of the project easier (or maybe that is in place and I don't see it)?  
> Something that perhaps in CMakeLists.txt that has the option for the URL to be a file:// path? 
> This would help me in that I could download all relevant tarballs and have the same build happen offline or online.



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