[jira] [Commented] (ARROW-6447) [C++] Builds with ARROW_JEMALLOC=ON wait until jemalloc_ep is complete before building any libarrow .cc files

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

    [ https://issues.apache.org/jira/browse/ARROW-6447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16922351#comment-16922351 ] 

Antoine Pitrou commented on ARROW-6447:
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+1. Do you know what the culprit is? Perhaps {{add_include_directories}}?

> [C++] Builds with ARROW_JEMALLOC=ON wait until jemalloc_ep is complete before building any libarrow .cc files
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-6447
>                 URL: https://issues.apache.org/jira/browse/ARROW-6447
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>
> This has been a frustration for me that my builds wait for the jemalloc_ep build to complete before proceeding to compile any C++ files for libarrow. Since only memory_pool.cc depends on jemalloc_ep, there must be some way to create a dependency between that single C++ file and jemalloc_ep. I spent a few minutes Googling about it but did not come up with an easy answer



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