--- configure.bak	2008-11-07 13:21:32.000000000 -0600
+++ configure	2008-11-07 13:22:38.000000000 -0600
@@ -26700,6 +26700,7 @@
 #define USE_ALPHA_PIO 1
 _ACEOF
  ;;
+		*freebsd*)	SYS_LIBS=-lio ;;
 	esac
 	;;
   arm*)