--- configure.orig	2015-06-16 17:43:10.000000000 +0200
+++ configure	2015-10-21 23:07:22.017310000 +0200
@@ -22640,6 +22640,11 @@
   arm*)
 	ARM_VIDEO=yes
 	DEFAULT_INT10="stub"
+	case $host_os in
+		*freebsd*)
+			$as_echo "#define USE_DEV_IO 1" >>confdefs.h
+		 ;;
+	esac
 	;;
   i*86)
 	I386_VIDEO=yes
@@ -25559,7 +25564,7 @@
 case "x$XTRANS_SEND_FDS" in
 xauto)
 	case "$host_os" in
-	linux*|solaris*)
+	linux*|solaris*|freebsd*|dragonfly*)
 		XTRANS_SEND_FDS=yes
 		;;
 	*)