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https://issues.apache.org/jira/browse/ARROW-2238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16382323#comment-16382323
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ASF GitHub Bot commented on ARROW-2238:
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pitrou commented on issue #1684: ARROW-2238: [C++] Detect and use clcache in
cmake configuration
URL: https://github.com/apache/arrow/pull/1684#issuecomment-369660991
I think that's because `CMAKE_CXX_COMPILER` forcefully overrides the
compiler command. When using the Visual Studio generators, you traditionally
don't need to run `vcvarsall.bat` (presumably because cmake would hardcode the
full compiler path), but then `clcache` fails finding the compiler.
So it's possible that calling `vcvarsall.bat` is all that's needed here. But
that would also change the workflow people may be accustomed to.
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> [C++] Detect clcache in cmake configuration
> -------------------------------------------
>
> Key: ARROW-2238
> URL: https://issues.apache.org/jira/browse/ARROW-2238
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Minor
> Labels: pull-request-available
>
> By default Windows builds should use clcache if installed.
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