--- asterisk-1.8.4-rc2/codecs/Makefile.orig	2011-03-10 11:24:13.230106368 +0900
+++ asterisk-1.8.4-rc2/codecs/Makefile	2011-03-10 11:25:02.246768144 +0900
@@ -17,7 +17,7 @@
 MENUSELECT_CATEGORY=CODECS
 MENUSELECT_DESCRIPTION=Codec Translators
 
-LIBILBC:=ilbc/libilbc.a
+LIBILBC:=/usr/lib/libilbc.a
 LIBLPC10:=lpc10/liblpc10.a
 
 all: _all