diff -urN sox-12.18.2/src/Makefile.in sox-12.18.2.new/src/Makefile.in
--- sox-12.18.2/src/Makefile.in	2006-08-28 01:04:51.000000000 +0200
+++ sox-12.18.2.new/src/Makefile.in	2006-11-02 22:57:54.000000000 +0100
@@ -29,7 +29,7 @@
 CFLAGS	= @CFLAGS@ -I$(srcdir) -I$(builddir)
 CPPFLAGS = @CPPFLAGS@
 LDFLAGS	= -L. @LDFLAGS@
-LIBS	= -lst @LIBS@
+LIBS	= -lst @LIBS@ -lnotimpl
 
 # Other macros.