--- a/configure.ac
+++ b/configure.ac
@@ -97,6 +97,8 @@
 
 LIBS="$LIBS $CURSES_LIB"
 
+AC_SEARCH_LIBS([keypad],[tinfow tinfo])
+
 PKG_CHECK_MODULES(pcre, libpcre)
 
 AC_SUBST(pcre_LIBS)