Index: ftp/glob.c
===================================================================
--- ftp/glob.c.orig	1999-10-02 15:25:23.000000000 +0200
+++ ftp/glob.c	2008-04-11 00:27:09.000000000 +0200
@@ -50,7 +50,7 @@ char glob_rcsid[] = 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-
+#include <unistd.h>
 #include "ftp_var.h"  /* for protos only */
 #include "glob.h"
 
@@ -60,6 +60,12 @@ char glob_rcsid[] = 
 #define	GAVSIZ		(ARG_MAX/6)
 #define	isdir(d)	((d.st_mode & S_IFMT) == S_IFDIR)
 
+#ifndef ARG_MAX
+	#ifdef _SC_ARG_MAX
+	#define ARG_MAX sysconf(_SC_ARG_MAX)
+   #endif
+#endif
+
 const char *globerr;
 extern const char *home;