1From 7977b9211356095517951e86fa53f64c6b27e16b Mon Sep 17 00:00:00 2001
 2From: Michael Forney <mforney@mforney.org>
 3Date: Tue, 29 Apr 2025 16:50:16 -0700
 4Subject: [PATCH] pax: Only use _PC_TIMESTAMP_RESOLUTION if it is defined
 5
 6---
 7 bin/pax/ar_subs.c | 6 +++++-
 8 1 file changed, 5 insertions(+), 1 deletion(-)
 9
10diff --git a/bin/pax/ar_subs.c b/bin/pax/ar_subs.c
11index 4c49efa1362..a0e4fdfdea5 100644
12--- a/bin/pax/ar_subs.c
13+++ b/bin/pax/ar_subs.c
14@@ -167,12 +167,13 @@ cmp_file_times(int mtime_flag, int ctime_flag, ARCHD *arcn, const char *path)
15 	else if (timespeccmp(&arcn->sb.st_mtim, &sb.st_mtim, <=))
16 		return 1;
17 
18+#ifdef _PC_TIMESTAMP_RESOLUTION
19 	/*
20 	 * If we got here then the target arcn > sb for mtime *and* that's
21 	 * the deciding factor.  Check whether they're equal after rounding
22 	 * down the arcn mtime to the precision of the target path.
23 	 */
24-	res = pathconfat(AT_FDCWD, path, _PC_TIMESTAMP_RESOLUTION,
25+	res = pathconf(path, _PC_TIMESTAMP_RESOLUTION,
26 	    AT_SYMLINK_NOFOLLOW);
27 	if (res == -1)
28 		return 0;
29@@ -195,6 +196,9 @@ cmp_file_times(int mtime_flag, int ctime_flag, ARCHD *arcn, const char *path)
30 		return ((arcn->sb.st_mtime / res) * res) <= sb.st_mtime;
31 		return arcn->sb.st_mtime <= ((sb.st_mtime / res) * res);
32 	}
33+#else
34+	return 0;
35+#endif
36 }
37 
38 /*
39-- 
402.49.0
41