https://git.tuxfamily.org/chrony/chrony.git/patch/?id=b61cbed6895fcd3eae4c8458a69995870a22a5e0

From: Vincent Blut <vincent.debian@free.fr>
Date: Wed, 12 Jan 2022 18:08:34 +0100
Subject: test: ensure awk commands in 008-ntpera return an integer

Some awk interpreters (e.g. mawk) print long integers in exponential
notation skewing the test result.

--- a/test/simulation/008-ntpera
+++ b/test/simulation/008-ntpera
@@ -29,7 +29,7 @@ echo "$ntp_start" | grep -q '-' && test_skip
 
 for time_offset in -1e-1 1e-1; do
 	for start_offset in 0 "2^32 - $limit"; do
-		export CLKNETSIM_START_DATE=$(awk "BEGIN {print $ntp_start + $start_offset}")
+		export CLKNETSIM_START_DATE=$(awk "BEGIN {printf \"%.0f\", $ntp_start + $start_offset}")
 		run_test || test_fail
 		check_chronyd_exit || test_fail
 		check_source_selection || test_fail
@@ -38,7 +38,7 @@ for time_offset in -1e-1 1e-1; do
 	done
 
 	for start_offset in -$limit "2^32"; do
-		export CLKNETSIM_START_DATE=$(awk "BEGIN {print $ntp_start + $start_offset}")
+		export CLKNETSIM_START_DATE=$(awk "BEGIN {printf \"%.0f\", $ntp_start + $start_offset}")
 		run_test || test_fail
 		check_chronyd_exit || test_fail
 		check_source_selection || test_fail
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