thisisnic commented on a change in pull request #12401:
URL: https://github.com/apache/arrow/pull/12401#discussion_r807213427
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File path: docs/source/developers/guide/step_by_step/building.rst
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@@ -155,6 +155,24 @@ Building other Arrow libraries
`R developer docs
<https://arrow.apache.org/docs/r/articles/developing.html>`_.
+ **Reinstalling R package and running 'make clean'**
+
+ If you make changes to the Arrow C++ part of the code, also
+ called libarrow, you will need to:
+
+ #. reinstall libarrow,
+ #. run ``make clean``,
+ #. reinstall the R package.
+
+ The ``make clean`` function is defined in ``r/Makefile`` and will
+ remove any cached object code in the ``r/src/`` directory, insuring
Review comment:
```suggestion
remove any cached object code in the ``r/src/`` directory, ensuring
```
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