[GitHub] [arrow] dragosmg commented on a change in pull request #12119: ARROW-14754: [Doc] Steps in making your first PR - building R package

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dragosmg commented on a change in pull request #12119:
URL: https://github.com/apache/arrow/pull/12119#discussion_r782269957



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File path: docs/source/developers/guide/step_by_step/building.rst
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@@ -150,5 +150,13 @@ interested to find more information.
 
          - :ref:`build_pyarrow_win`
 
-   .. tab:: Building the R package
 
+   .. tab:: Building the R package
+      
+	  When working on code in the R package, you only need to build the Arrow C++ 
+	  library (often referred to in the R documentation as 'libarrow') from source 
+	  if you wish to make changes to the code there; otherwise you can install a 
+	  binary version of the C++ libary and then need to link it up with the R package.

Review comment:
       I think this still doesn't work - installing `libarrow` from homebrew (on Mac) and having only the R package as `source`. 




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