Index: b/m4/curses.m4
===================================================================
--- b/m4/curses.m4
+++ b/m4/curses.m4
@@ -36,6 +36,8 @@
       have_ncursesw=no
     fi
     if test "$LIBNCURSES"; then
+      AC_CHECK_LIB(tinfow, curs_set, LIBNCURSES="${LIBNCURSES} -ltinfow",
+        AC_CHECK_LIB(tinfo, curs_set, LIBNCURSES="${LIBNCURSES} -ltinfo"))
       # Use ncurses header files instead of the ordinary ones, if possible;
       # is there a better way of doing this, that avoids looking in specific
       # directories?