diff -uNr acct-6.3.2.orig/lastcomm.c acct-6.3.2/lastcomm.c
--- acct-6.3.2.orig/lastcomm.c	2004-08-30 21:15:47.000000000 -0400
+++ acct-6.3.2/lastcomm.c	2004-08-30 21:45:05.000000000 -0400
@@ -40,6 +40,9 @@
 #  include <time.h>
 # endif
 #endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 
 #include <pwd.h>
 
@@ -63,6 +66,8 @@
 
 char *program_name;		/* name of the program, for usage & errs */
 
+static unsigned int hzval;
+
 
 /* Here are various lists for the user to specify entries that they
    want to see.  */
@@ -91,6 +96,7 @@
   int c;
   int other_pacct_file_specified = 0; /* nonzero if the user used the
 					 `-f' or `--file' flag */
+  hzval = sysconf(_SC_CLK_TCK);
 
   program_name = argv[0];
   
@@ -318,7 +324,7 @@
 	  btime = (time_t) rec->ac_btime;
 	  printf (" %-8.8s %-8.8s %6.2f secs %-16.16s\n",
 		  this_uid, this_dev,
-		  ((ut + st) / (double) AHZ),
+		  ((ut + st) / (double) hzval),
 		  ctime (&btime));
 	}
     }
diff -uNr acct-6.3.2.orig/sa.c acct-6.3.2/sa.c
--- acct-6.3.2.orig/sa.c	2004-08-30 21:15:47.000000000 -0400
+++ acct-6.3.2/sa.c	2004-08-30 21:47:49.000000000 -0400
@@ -233,6 +233,7 @@
 				   "***other" category */
 int always_yes = 0;		/* nonzero means always answer yes to
 				   a query */
+static unsigned int hzval;
 
 
 /* prototypes */
@@ -266,6 +267,7 @@
 {
   int c;
 
+  hzval = sysconf(_SC_CLK_TCK);
   program_name = argv[0];
   
   /* Cache the page size of the machine for the PAGES_TO_KB macro */
@@ -551,7 +553,7 @@
 
   if (debugging_enabled)
     {
-      fprintf (stddebug, "AHZ -> %d\n", AHZ);
+      fprintf (stddebug, "hzval -> %d\n", hzval);
       fprintf (stddebug, "getpagesize() -> %d\n", getpagesize ());
       fprintf (stddebug, "system_page_size == %.2f\n", system_page_size);
     }
@@ -901,7 +903,7 @@
   /* Christoph Badura <bad@flatlin.ka.sub.org> says: 
    *
    * The k*sec statistic is computed as
-   * ((ac_utime+ac_stime)*pages_to_kbytes(ac_mem))/AHZ.  Of course you
+   * ((ac_utime+ac_stime)*pages_to_kbytes(ac_mem))/hzval.  Of course you
    * need to expand the comp_t values. 
    *
    * PAGES_TO_KBYTES(x) simply divides x by (getpagesize()/1024).  Of
@@ -1103,33 +1105,33 @@
     {
 #ifdef HAVE_ACUTIME
 # ifdef ACUTIME_COMPT
-      double ut = comp_t_2_double (rec->ac_utime) / (double) AHZ;
+      double ut = comp_t_2_double (rec->ac_utime) / (double) hzval;
 # else
-      double ut = (double) rec->ac_utime / (double) AHZ;
+      double ut = (double) rec->ac_utime / (double) hzval;
 # endif
 #endif
 
 #ifdef HAVE_ACSTIME
 # ifdef ACSTIME_COMPT
-      double st = comp_t_2_double (rec->ac_stime) / (double) AHZ;
+      double st = comp_t_2_double (rec->ac_stime) / (double) hzval;
 # else
-      double st = (double) rec->ac_stime / (double) AHZ;
+      double st = (double) rec->ac_stime / (double) hzval;
 # endif
 #endif
 
 #ifdef HAVE_ACETIME
 # ifdef ACETIME_COMPT
-      double et = comp_t_2_double (rec->ac_etime) / (double) AHZ;
+      double et = comp_t_2_double (rec->ac_etime) / (double) hzval;
 # else
-      double et = (double) rec->ac_etime / (double) AHZ;
+      double et = (double) rec->ac_etime / (double) hzval;
 # endif
 #endif
 
 #ifdef HAVE_ACIO
 # ifdef ACIO_COMPT
-      double di = comp_t_2_double (rec->ac_io) / (double) AHZ;
+      double di = comp_t_2_double (rec->ac_io) / (double) hzval;
 # else
-      double di = (double) rec->ac_io / (double) AHZ;
+      double di = (double) rec->ac_io / (double) hzval;
 # endif
 #endif