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https://issues.apache.org/jira/browse/ORC-1833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gang Wu reassigned ORC-1833:
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> [C++] Fix CMake script to be used inside another project
> --------------------------------------------------------
>
> Key: ORC-1833
> URL: https://issues.apache.org/jira/browse/ORC-1833
> Project: ORC
> Issue Type: Bug
> Components: C++
> Reporter: Gang Wu
> Assignee: Gang Wu
> Priority: Major
>
> The change to add support for exporting CMake config and target has
> introduced some minor issues when the ORC C++ library is used inside a larger
> CMake project. Mainly there are three issues:
> # We should prepend (not append) our CMake modules so we always use our own
> modules when there are naming conflict.
> # Do not use CMAKE_SOURCE_DIR and CMAKE_BINARY_DIR because they are tied to
> the root project and it is no longer ORC project when we are inside another
> project.
> # Add orc_ prefix to our CMake functions to avoid potential conflict.
>
> See: https://github.com/apache/arrow/pull/45226
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