[jira] [Commented] (ARROW-16102) [C++] Builds that use cpp/cmake_modules/FindgRPCAlt.cmake cannot build GCS support

["Micah Kornfield (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-16102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17516633#comment-17516633 ] 

Micah Kornfield commented on ARROW-16102:
-----------------------------------------

https://github.com/apache/arrow/runs/5775653588?check_suite_focus=true is an example of the failing build.  

https://github.com/apache/arrow/pull/12763 is the PR that I ran into this issue (switching the releveant builds to keep GCS off for the time being.



> [C++] Builds that use cpp/cmake_modules/FindgRPCAlt.cmake cannot build GCS support
> ----------------------------------------------------------------------------------
>
>                 Key: ARROW-16102
>                 URL: https://issues.apache.org/jira/browse/ARROW-16102
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Micah Kornfield
>            Priority: Major
>
> cpp/cmake_modules/FindgRPCAlt.cmake somehow exposes the same libraries defined in build_absl_once (defined in cpp/cmake_modules/ThirdpartyToolchain.cmake) causing CMake to fail when GCS client is enabled for building.
> I tried playing around with various options but given my limited CMake skills I could not figure out an easy solution to this.



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