From 26d01bdb26f1c7487ad4ba0151221dfe28cd878d Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Wed, 15 Jul 2020 21:19:14 +0200
Subject: [PATCH] programs/util.c: fix build without st_mtime

Since version 1.4.5 and commit
5af8cb7aea8d890b4801e50e5274371510f2cf33, if st_mtime is not defined,
programs/util.c uses utime without including utime.h which will raise
the following build failure on some of the buildroot autobuilders:

util.c: In function 'UTIL_setFileStat':
util.c:161:24: error: storage size of 'timebuf' isn't known
         struct utimbuf timebuf;
                        ^~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/be902c5d110f37bce622a2215191f155b7d3e7e0

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Upstream status: https://github.com/facebook/zstd/pull/2246]
---
 programs/util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/programs/util.c b/programs/util.c
index a0d45745..2493a4ad 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -28,7 +28,7 @@ extern "C" {
 #  include <io.h>         /* _chmod */
 #else
 #  include <unistd.h>     /* chown, stat */
-#  if PLATFORM_POSIX_VERSION < 200809L
+#  if PLATFORM_POSIX_VERSION < 200809L || !defined(st_mtime)
 #    include <utime.h>    /* utime */
 #  else
 #    include <fcntl.h>    /* AT_FDCWD */
-- 
2.27.0