$NetBSD: patch-aa,v 1.1.1.1 2008/09/15 13:15:46 jmcneill Exp $

--- src/rtctimer.c.orig	2003-10-27 09:49:39.000000000 -0500
+++ src/rtctimer.c
@@ -27,7 +27,9 @@
 #include <fcntl.h>
 #include <math.h>
 #include <sys/ioctl.h>
+#ifdef __linux__
 #include <linux/rtc.h>
+#endif
 #include "rtctimer.h"
 
 struct rtctimer_s
@@ -41,6 +43,7 @@ struct rtctimer_s
 
 rtctimer_t *rtctimer_new( int verbose )
 {
+#ifdef __linux__
     rtctimer_t *rtctimer = malloc( sizeof( rtctimer_t ) );
     if( !rtctimer ) return 0;
 
@@ -74,17 +77,23 @@ rtctimer_t *rtctimer_new( int verbose )
     rtctimer->current_hz = 0;
     rtctimer->usecs = 0;
     return rtctimer;
+#else
+    return NULL;
+#endif
 }
 
 void rtctimer_delete( rtctimer_t *rtctimer )
 {
+#ifdef __linux__
     rtctimer_stop_clock( rtctimer );
     close( rtctimer->rtc_fd );
     free( rtctimer );
+#endif
 }
 
 int rtctimer_next_tick( rtctimer_t *rtctimer )
 {
+#ifdef __linux__
     unsigned long rtc_data;
     struct pollfd pfd;
     pfd.fd = rtctimer->rtc_fd;
@@ -108,11 +117,13 @@ again:
     }
 
     read( rtctimer->rtc_fd, &rtc_data, sizeof( rtc_data ) );
+#endif
     return 1;
 }
 
 int rtctimer_set_interval( rtctimer_t *rtctimer, int hz )
 {
+#ifdef __linux__
     int restart;
 
     if( hz == rtctimer->current_hz ) {
@@ -136,11 +147,13 @@ int rtctimer_set_interval( rtctimer_t *r
         rtctimer_start_clock( rtctimer );
     }
 
+#endif
     return 1;
 }
 
 int rtctimer_start_clock( rtctimer_t *rtctimer )
 {
+#ifdef __linux__
     if( !rtctimer->rtc_running ) {
         if( ioctl( rtctimer->rtc_fd, RTC_PIE_ON, 0 ) < 0 ) {
             if( rtctimer->verbose ) {
@@ -152,10 +165,12 @@ int rtctimer_start_clock( rtctimer_t *rt
         rtctimer->rtc_running = 1;
     }
     return rtctimer->rtc_running;
+#endif
 }
 
 int rtctimer_stop_clock( rtctimer_t *rtctimer )
 {
+#ifdef __linux__
     int was_running = rtctimer->rtc_running;
 
     if( rtctimer->rtc_running ) {
@@ -170,16 +185,23 @@ int rtctimer_stop_clock( rtctimer_t *rtc
     }
 
     return was_running;
+#else
+    return 0;
+#endif
 }
 
 int rtctimer_get_resolution( rtctimer_t *rtctimer )
 {
+#ifdef __linux__
     return rtctimer->current_hz;
+#endif
 }
 
 int rtctimer_get_usecs( rtctimer_t *rtctimer )
 {
+#ifdef __linux__
     return rtctimer->usecs;
+#endif
 }
 
 int set_realtime_priority( int max )