diff -r 22144d7e5f4e -r 79aa7e3c6c30 configure.ac
--- a/configure.ac	Sat Aug 22 18:05:10 2009 +0000
+++ b/configure.ac	Sat Aug 22 18:54:15 2009 +0000
@@ -810,6 +810,7 @@
 		fi
 	fi
 fi
+AM_CONDITIONAL(USE_VV, test "x$enable_gstreamer" != "xno" -a "x$enable_gstinterfaces" != "xno" -a "x$enable_farsight" != "xno")
 
 AC_ARG_ENABLE(idn,
 	[AC_HELP_STRING([--disable-idn], [compile without IDN support])],