[jira] [Comment Edited] (ARROW-17872) [CI] Reduce required dependencies on macOS builds

["Jin Shang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-17872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17611357#comment-17611357 ] 

Jin Shang edited comment on ARROW-17872 at 9/30/22 5:34 AM:
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FYI The Mac runner we use for github CI (mac-os-latest) has LLVM@14 and LLVM@13 preinstalled ([https://github.com/actions/runner-images/blob/main/images/macos/macos-11-Readme.md]). If we can use these two version for both Gandiva and Clang-format then the build costs for LLVM can be saved entirely. cc [~apitrou] [~kou] 


was (Author: JIRAUSER295132):
FYI The Mac runner we use for github CI (mac-os-latest) has LLVM@14 and LLVM@13 embeded (https://github.com/actions/runner-images/blob/main/images/macos/macos-11-Readme.md). If we can use these two version for both Gandiva and Clang-format then the build costs for LLVM can be saved entirely. cc [~apitrou] [~kou] 

> [CI] Reduce required dependencies on macOS builds
> -------------------------------------------------
>
>                 Key: ARROW-17872
>                 URL: https://issues.apache.org/jira/browse/ARROW-17872
>             Project: Apache Arrow
>          Issue Type: Wish
>          Components: C++, Continuous Integration, GLib, Python
>            Reporter: Antoine Pitrou
>            Assignee: Jacob Wujciak-Jens
>            Priority: Critical
>             Fix For: 10.0.0
>
>
> Our macOS CI builds on Github Actions usually take at least 10 minutes installing dependencies from Homebrew (because of compiling from source?). It would be nice to cache those, especially as they probably don't change often.



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