--- openldap-2.4.21/libraries/liblutil/detach.c.old	2009-01-21 19:00:58.000000000 -0500
+++ openldap-2.4.21/libraries/liblutil/detach.c	2010-06-20 10:25:09.000000000 -0400
@@ -128,7 +128,7 @@
 
 #ifdef HAVE_SETSID
 		(void) setsid();
-#elif TIOCNOTTY
+#elif defined(TIOCNOTTY)
 		if ( (sd = open( "/dev/tty", O_RDWR )) != -1 ) {
 			(void) ioctl( sd, TIOCNOTTY, NULL );
 			(void) close( sd );