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Posted to dev@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/01/30 14:34:00 UTC

[jira] [Created] (ARROW-7725) [C++] Add infrastructure for unity builds and precompiled headers

Antoine Pitrou created ARROW-7725:
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             Summary: [C++] Add infrastructure for unity builds and precompiled headers
                 Key: ARROW-7725
                 URL: https://issues.apache.org/jira/browse/ARROW-7725
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Antoine Pitrou
            Assignee: Antoine Pitrou


Unity builds and precompiled headers can be enabled "easily" in CMake 3.16:
https://cmake.org/cmake/help/v3.16/prop_tgt/UNITY_BUILD.html
https://cmake.org/cmake/help/v3.16/command/target_precompile_headers.html

They can make builds faster in some conditions, especially on CI with little parallelism and caching.



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