meher745 opened a new pull request, #48789: URL: https://github.com/apache/arrow/pull/48789
### Rationale for this change While setting up the C++ build on macOS, I encountered an IOError during testing because ARROW_TEST_DATA and PARQUET_TEST_DATA were not set. The current documentation lacks a clear warning that these exports are mandatory for a successful test pass. ### What changes are included in this PR? I added a .. note:: block to building.rst clarifying the need to initialize submodules and export absolute paths for test data folders. ### Are these changes tested? Yes, I built the documentation locally using Sphinx (make html) to verify the formatting renders correctly. ### Are there any user-facing changes? Yes, this updates the developer-facing documentation for C++ building. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
