compilation.md

@@ -22,6 +22,8 @@ cmake ..
 make
 ```
 
+_In case of error during the `make` step on macOS, check [this part of the FAQ](faq#an-error-arise-when-building-on-mac-os)_
+
 #### Python selection ####
 
 It is really important that the compilation process get access to the python version