--- samba-3.0.25borig/source/modules/vfs_default.c	2007-04-09 10:30:58.000000000 -0700
+++ samba3025bfinal/source/modules/vfs_default.c	2007-07-24 12:18:07.000000000 -0700
@@ -813,10 +813,11 @@
 
 	START_PROFILE(syscall_linux_setlease);
 
-#ifdef LINUX
+#ifdef HAVE_KERNEL_OPLOCKS_LINUX
 	/* first set the signal handler */
-	if(linux_set_lease_sighandler(fd) == -1)
+	if(linux_set_lease_sighandler(fd) == -1) {
 		return -1;
+	}
 
 	result = linux_setlease(fd, leasetype);
 #else