Add -q.  This will cause the warning messages about missing
directories to not be printed.

Obtained from: OpenBSD

Index: mtree.8
===================================================================
--- mtree.8	(revision 240748)
+++ mtree.8	(revision 240749)
@@ -229,6 +229,12 @@
 Use the file hierarchy rooted in
 .Ar path  ,
 instead of the current directory.
+.It Fl q
+Quiet mode.
+Do not complain when a
+.Dq missing
+directory cannot be created because it already exists.
+This occurs when the directory is a symbolic link.
 .It Fl R Ar keywords
 Remove the specified (whitespace or comma separated) keywords from the current
 set of keywords.
Index: verify.c
===================================================================
--- verify.c	(revision 240748)
+++ verify.c	(revision 240749)
@@ -175,8 +175,16 @@
 		if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
 			continue;
 		strcpy(tail, p->name);
-		if (!(p->flags & F_VISIT))
-			printf("missing: %s", path);
+		if (!(p->flags & F_VISIT)) {
+			/* Don't print missing message if file exists as a 
+			   symbolic link and the -q flag is set. */
+			struct stat statbuf;
+
+			if (qflag && stat(path, &statbuf) == 0)
+				p->flags |= F_VISIT;
+			else
+				(void)printf("%s missing", path);
+		}
 		switch (p->type) {
 		case F_BLOCK:
 		case F_CHAR:
Index: extern.h
===================================================================
--- extern.h	(revision 240748)
+++ extern.h	(revision 240749)
@@ -70,7 +70,7 @@
 int	 verify(void);
 
 extern int	dflag, eflag, iflag, lflag, mflag,
-		nflag, rflag, sflag, tflag, uflag;
+		nflag, qflag, rflag, sflag, tflag, uflag;
 extern int	mtree_Mflag, mtree_Sflag, mtree_Wflag;
 extern size_t	mtree_lineno;
 extern u_int32_t crc_total;
Index: mtree.c
===================================================================
--- mtree.c	(revision 240748)
+++ mtree.c	(revision 240749)
@@ -60,7 +60,7 @@
 
 int	ftsoptions = FTS_PHYSICAL;
 int	cflag, Cflag, dflag, Dflag, eflag, iflag, lflag, mflag,
-    	nflag, rflag, sflag, tflag, uflag, Uflag;
+    	nflag, qflag, rflag, sflag, tflag, uflag, Uflag;
 char	fullpath[MAXPATHLEN];
 
 __dead2 static	void	usage(void);
@@ -77,7 +77,7 @@
 	init_excludes();
 
 	while ((ch = getopt(argc, argv,
-	    "cCdDeE:f:I:ik:K:lLmMnN:p:PrR:s:StuUWxX:"))
+	    "cCdDeE:f:I:ik:K:lLmMnN:p:PqrR:s:StuUWxX:"))
 	    != -1) {
 		switch((char)ch) {
 		case 'c':
@@ -148,6 +148,9 @@
 			ftsoptions &= ~FTS_LOGICAL;
 			ftsoptions |= FTS_PHYSICAL;
 			break;
+		case 'q':
+			qflag = 1;
+			break;
 		case 'r':
 			rflag = 1;
 			break;