From 74758fc3c3af39eb96ee673fd9c673828b34a6aa Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Tue, 13 Jul 2021 21:34:46 -0700
Subject: [PATCH] Util: Detect futimens/futimes instead of guessing

---
 CMakeLists.txt        | 3 +++
 src/util/vfs/vfs-fd.c | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5ad9196db..52fe8387b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -317,6 +317,9 @@ find_function(setlocale)
 find_function(snprintf_l)
 find_function(uselocale)
 
+find_function(futimens)
+find_function(futimes)
+
 if(ANDROID AND ANDROID_NDK_MAJOR GREATER 13)
 	set(HAVE_STRTOF_L ON)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
diff --git a/src/util/vfs/vfs-fd.c b/src/util/vfs/vfs-fd.c
index c15ab5ca1..b67d701fa 100644
--- a/src/util/vfs/vfs-fd.c
+++ b/src/util/vfs/vfs-fd.c
@@ -200,9 +200,9 @@ static bool _vfdSync(struct VFile* vf, void* buffer, size_t size) {
 	UNUSED(size);
 	struct VFileFD* vfd = (struct VFileFD*) vf;
 #ifndef _WIN32
-#ifdef __HAIKU__
+#ifdef HAVE_FUTIMENS
 	futimens(vfd->fd, NULL);
-#else
+#elif defined(HAVE_FUTIMES)
 	futimes(vfd->fd, NULL);
 #endif
 	if (buffer && size) {