Index: acinclude.m4
--- acinclude.m4.orig
+++ acinclude.m4
@@ -638,8 +638,7 @@ for be in ${BACKENDS}; do
     ;;
 
     v4l)
-    if test "${have_linux_ioctl_defines}" != "yes" \
-      || test "${have_libv4l1}" != "yes"; then
+    if test "${have_libv4l1}" != "yes"; then
       echo "*** $be backend requires v4l libraries - $DISABLE_MSG"
       backend_supported="no"
     fi