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