$NetBSD: patch-ai,v 1.9 2014/06/15 20:48:50 jnemeth Exp $

--- sendmail/mci.c.orig	2014-03-06 17:31:31.000000000 +0000
+++ sendmail/mci.c
@@ -20,6 +20,7 @@ SM_RCSID("@(#)$Id: mci.c,v 8.225 2013-11
 #endif /* NETINET || NETINET6 */
 
 #include <dirent.h>
+#include <limits.h>
 
 static int	mci_generate_persistent_path __P((const char *, char *,
 						  int, bool));
@@ -744,7 +745,11 @@ mci_lock_host_statfile(mci)
 {
 	int save_errno = errno;
 	int retVal = EX_OK;
+#if defined(PATH_MAX)
+	char fname[PATH_MAX];
+#else
 	char fname[MAXPATHLEN];
+#endif
 
 	if (HostStatDir == NULL || mci->mci_host == NULL)
 		return EX_OK;