--- configure.orig	2016-01-31 11:55:44 UTC
+++ configure	2017-11-28 18:37:14.184568000 +0900
@@ -1805,10 +1805,8 @@
 		case "$host_os" in
 		bsdi2.1)
 			vi_cannapath="/usr/contrib/canna";;
-		freebsd2.2*|freebsd3*)
-			vi_cannapath="/usr/local";;
-		freebsd2*)
-			vi_cannapath="/usr/local/canna";;
+		freebsd*|dragonfly*)
+			vi_cannapath="${prefix}";;
 		*)
 			vi_cannapath="/usr/local/canna";;
 		esac
@@ -2161,7 +2159,7 @@
 	CPPFLAGS="-I\$(srcdir)/curses $CPPFLAGS"
 	cobjs="\$(COBJS)";;
 "other curses")
-	LIBS="-lcurses $LIBS";;
+	LIBS="-lncursesw $LIBS";;
 esac
 
 echo $ac_n "checking for sys/mman.h""... $ac_c" 1>&6