--- iulib-0.4.orig//genAM.py	2009-12-17 22:48:57.464967553 +0100
+++ iulib-0.4/genAM.py	2009-12-17 22:51:24.461238971 +0100
@@ -94,6 +94,7 @@ endif
 
 if have_vidio
     libiulib_la_SOURCES += $(srcdir)/vidio/vidio.cc
+    libiulib_la_LIBADD = -lavcodec -lavformat
 endif
 
 # We install it always because iulib.h always includes it.