[GitHub] [arrow] wjones127 commented on a change in pull request #11521: ARROW-13398: [R] Update install.Rmd vignette

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wjones127 commented on a change in pull request #11521:
URL: https://github.com/apache/arrow/pull/11521#discussion_r761281526



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File path: r/vignettes/developers/install_details.Rmd
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@@ -0,0 +1,90 @@
+# How the R package is installed
+
+In order for the `arrow` R package to work, it needs the Arrow C++ library, 
+also known as libarrow.  There are a number of scripts that are triggered 
+when `R CMD INSTALL .` is run and for Arrow users, these should all just work 
+without configuration and pull in the most complete pieces (e.g. official 
+binaries that we host).
+
+An overview of these scripts is shown below:
+
+* `configure` and `configure.win` - these scripts are triggered during
+`R CMD INSTALL .` on non-Windows and Windows platforms, respectively. They
+handle finding the libarrow, setting up the build variables necessary, and
+writing the package Makevars file that is used to compile the C++ code in the R
+package.
+
+* `tools/nixlibs.R` - this script is sometimes called by `configure` on Linux

Review comment:
       We could also mention `tools/winlibs.R`, which is the Windows equivalent. This will either find or download binaries of libarrow; not set up any build process.




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