--- mercury-extras-10.04-beta.orig/dynamic_linking/Mmakefile	2005-01-25 20:49:05.000000000 +1300
+++ mercury-extras-10.04-beta/dynamic_linking/Mmakefile	2010-02-13 15:17:10.000000000 +1300
@@ -11,7 +11,7 @@
 MLFLAGS = --shared
 
 # Link in the `-ldl' library (this may not be needed on some systems)
-MLLIBS = -ldl
+MLLIBS = -L/usr/@libdir@ -ldl
 
 # enable C-level debugging
 CFLAGS = -g