diff -up vsftpd-2.1.0/builddefs.h.tcp_wrappers vsftpd-2.1.0/builddefs.h
--- vsftpd-2.1.0/builddefs.h.tcp_wrappers 2009-01-08 18:52:46.000000000 +0100
+++ vsftpd-2.1.0/builddefs.h 2009-01-08 18:52:56.000000000 +0100
@@ -1,7 +1,7 @@
#ifndef VSF_BUILDDEFS_H
#define VSF_BUILDDEFS_H
-#undef VSF_BUILD_TCPWRAPPERS
+#define VSF_BUILD_TCPWRAPPERS
#define VSF_BUILD_PAM
#define VSF_BUILD_SSL