thisisnic commented on a change in pull request #12401:
URL: https://github.com/apache/arrow/pull/12401#discussion_r804707466
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File path: docs/source/developers/guide/step_by_step/building.rst
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@@ -155,6 +155,22 @@ Building other Arrow libraries
`R developer docs
<https://arrow.apache.org/docs/r/articles/developing.html>`_.
+ **Reinstalling R package and running 'make clean'**
+
+ When you will make changes to the Arrow C++ part of the code, also
+ called libarrow, you will need to:
+
+ #. reinstall libarrow
+ #. run ``make clean`` or ``git clean -fdx .``
+ #. reinstall the R package
+
+ ``make clean`` is a part of the ``r/Makefile`` added to help with some
+ common tasks from the command line (e.g. ``make test``, ``make doc``,
+ ``make clean``, etc.).
Review comment:
I might rephrase this, as on a first read I misread it as meaning that
`make clean` runs `make test` etc
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