From 9ab5c03edcdb84b4f7bb68f19cb7cc028ff647f2 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Sun, 24 Dec 2023 08:45:50 -0800
Subject: [PATCH] warn: avoid "only used once" warning for subsecond_mtime.

* bin/automake.in (version): uselessly use
$Automake::FileUtils::subsecond_mtime a second time to
avoid Perl warning.
---
 bin/automake.in | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bin/automake.in b/bin/automake.in
index 26c9f46b1..3d6567ca3 100644
--- a/bin/automake.in
+++ b/bin/automake.in
@@ -8275,7 +8275,8 @@ sub version ()
 {
   print "automake (GNU $PACKAGE) $VERSION\n";
   print "Features: subsecond-mtime\n"
-      if $Automake::FileUtils::subsecond_mtime;
+      if $Automake::FileUtils::subsecond_mtime
+         && $Automake::FileUtils::subsecond_mtime; # avoid "once" warning
   print "\nCopyright (C) $RELEASE_YEAR Free Software Foundation, Inc.";
   print '
 License GPLv2+: GNU GPL version 2 or later
-- 
2.47.3