diff -uNr festival.orig/config/systems/Linux.mak festival/config/systems/Linux.mak
--- festival.orig/config/systems/Linux.mak	2011-02-09 10:08:20.000000000 -0500
+++ festival/config/systems/Linux.mak	2011-02-09 10:09:04.000000000 -0500
@@ -46,7 +46,7 @@
 JAVAH=/usr/bin/javah
 
 TCL_LIBRARY = -ltcl
-OS_LIBS = -ldl 
+OS_LIBS = $(OPTIMISE_LDFLAGS) -ldl 
 
 ## the native audio module for this type of system
 NATIVE_AUDIO_MODULE = LINUX16