Tcrond allways perform a "modprobe rtc", but can failed when rtc
is builtin in kernel, and not compiled as module.
This patch make tcron performing the modprobe only if /dev/rtc doesn't
exists.
Index: tcrond.c
===================================================================
--- tcrond.c
+++ tcrond.c	2008-01-06 00:12:15.170031714 +0100
@@ -261,12 +261,14 @@
   FILE *fp;
   int fd;
   char *boot_str;
+  struct stat st;
 
 #if 0
   dbg("=== tcron ver %s ===\n",VERSION);
 #endif
 
-  system("modprobe rtc");
+  if (stat(DEV_RTC, &st))
+    system("modprobe rtc");
 
   if ((fd=open(pidfile,O_RDONLY))>0) {
     if (flock(fd,LOCK_NB|LOCK_EX) < 0)