diff --git a/INSTALL b/INSTALL
index b8a1c1b412..ff74f76e0a 100644
--- a/INSTALL
+++ b/INSTALL
@@ -246,6 +246,11 @@ The following options allow to tweak more precisely the generated code:
     want to use. The default value is qt4, which is the only available
     frontend for now.
 
+  o --enable-monolithic-[boost,client,insets,mathed,core,tex2lyx,frontend-qt4]
+    that enable monolithic build of the given part of the source code. This
+    should reduce the compilation time provided you have enough memory
+    (>500MB).
+
 
 Compiling and installing LyX
 ----------------------------