Patch taken from Debian: http://bugs.debian.org/298697
------------------------------------------------------------------------
With the attached patch 'ntp' can be compiled
on amd64 using gcc-4.0.

The attached patch also changes the Build-Depends from libreadline4-dev
to libreadline5-dev.

Regards
Andreas Jochens

diff -urN ../tmp-orig/ntp-4.2.0a+stable/include/ntp_stdlib.h ./include/ntp_stdlib.h
--- ../tmp-orig/ntp-4.2.0a+stable/include/ntp_stdlib.h	2003-05-04 16:50:25.000000000 +0200
+++ ./include/ntp_stdlib.h	2005-03-09 12:59:45.000000000 +0100
@@ -135,7 +135,7 @@
 
 /* clocktypes.c */
 struct clktype;
-extern struct clktype clktypes[];
+extern struct clktype *clktypes;
 
 /* getopt.c */
 extern char *	ntp_optarg;		/* global argument pointer */
diff -urN ../tmp-orig/ntp-4.2.0a+stable/include/ntpd.h ./include/ntpd.h
--- ../tmp-orig/ntp-4.2.0a+stable/include/ntpd.h	2004-05-04 07:01:25.000000000 +0200
+++ ./include/ntpd.h	2005-03-09 12:56:03.000000000 +0100
@@ -226,7 +226,6 @@
 
 /* ntp_control.c */
 struct ctl_trap;
-extern struct ctl_trap ctl_trap[];
 extern int	num_ctl_traps;
 extern keyid_t	ctl_auth_keyid;		/* keyid used for authenticating write requests */
 
diff -urN ../tmp-orig/ntp-4.2.0a+stable/libntp/clocktypes.c ./libntp/clocktypes.c
--- ../tmp-orig/ntp-4.2.0a+stable/libntp/clocktypes.c	2002-07-19 19:15:54.000000000 +0200
+++ ./libntp/clocktypes.c	2005-03-09 13:05:42.000000000 +0100
@@ -9,7 +9,7 @@
 #include "ntp_refclock.h"
 #include "ntp_stdlib.h"
 
-struct clktype clktypes[] = {
+struct clktype *clktypes = {
 	{ REFCLK_NONE,		"unspecified type (0)",
 	  "UNKNOWN" },
 	{ REFCLK_LOCALCLOCK,	"Undisciplined local clock (1)",