doc: edit installation instructions - fix #55

README.Rmd

@@ -89,6 +89,18 @@ if (!requireNamespace("remotes", quietly = TRUE)) {
 remotes::install_github("FRBCesab/rcompendium")
 ```
 
+**Note:** On Unix system you may have an error during the installation linked 
+to the [**V8 JavaScript engine**](https://v8.dev/). This software is required 
+by the R package [`cffr`](https://docs.ropensci.org/cffr/) 
+(included in `rcompendium`). Run the following line and try to reinstall `rcompendium`.
+
+```{r eval=FALSE}
+## Fix V8 issues ----
+Sys.setenv(DOWNLOAD_STATIC_LIBV8 = 1)
+
+## Install < rcompendium > ----
+install.packages("rcompendium")
+```
 
 
 ## Usage