1 files changed, 4 insertions, 3 deletions

diff --git a/networking/ntpd.c b/networking/ntpd.c
index c4b018778..03fe448ca 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -51,9 +51,6 @@
 #ifndef IPTOS_LOWDELAY
 # define IPTOS_LOWDELAY 0x10
 #endif
-#ifndef IP_PKTINFO
-# error "Sorry, your kernel has to support IP_PKTINFO"
-#endif
 
 
 /* Verbosity control (max level of -dddd options accepted).
@@ -1328,7 +1325,9 @@ update_local_clock(peer_t *p)
 #if !USING_KERNEL_PLL_LOOP
         double freq_drift;
 #endif
+#if !USING_KERNEL_PLL_LOOP || USING_INITIAL_FREQ_ESTIMATION
         double since_last_update;
+#endif
         double etemp, dtemp;
 
         abs_offset = fabs(offset);
@@ -1356,7 +1355,9 @@ update_local_clock(peer_t *p)
          * action is and defines how the system reacts to large time
          * and frequency errors.
          */
+#if !USING_KERNEL_PLL_LOOP || USING_INITIAL_FREQ_ESTIMATION
         since_last_update = recv_time - G.reftime;
+#endif
 #if !USING_KERNEL_PLL_LOOP
         freq_drift = 0;
 #endif