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Posted to issues@impala.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2019/05/09 04:21:00 UTC

[jira] [Created] (IMPALA-8529) ccache is ignored when using ninja generator

Todd Lipcon created IMPALA-8529:
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             Summary: ccache is ignored when using ninja generator
                 Key: IMPALA-8529
                 URL: https://issues.apache.org/jira/browse/IMPALA-8529
             Project: IMPALA
          Issue Type: Task
            Reporter: Todd Lipcon


The CMakeLists.txt sets up ccache by using RULE_LAUNCH_PREFIX, which is only respected by the Makefile generator. So, if we use ninja (which is generally better at parallelism) then ccache won't kick in. Newer versions of cmake have more explicit support for ccache that ought to also work with the ninja generator.



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