From b0afb8fe0ff1d87165af9df61501197a06240dda Mon Sep 17 00:00:00 2001
From: Lorenz Kästle <12514511+RincewindsHat@users.noreply.github.com>
Date: Sun, 28 Dec 2025 12:13:40 +0100
Subject: Sync with Gnulib stable-202507 code (a8ac9f9ce5)

---
 gl/m4/open.m4 | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'gl/m4/open.m4')

diff --git a/gl/m4/open.m4 b/gl/m4/open.m4
index 62a11a11..dd3a805f 100644
--- a/gl/m4/open.m4
+++ b/gl/m4/open.m4
@@ -1,14 +1,18 @@
 # open.m4
-# serial 16
-dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
+# serial 17
+dnl Copyright (C) 2007-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_OPEN],
 [
   AC_REQUIRE([AC_CANONICAL_HOST])
   AC_REQUIRE([gl_PREPROC_O_CLOEXEC])
+  AC_REQUIRE([gl_FCNTL_O_FLAGS])
+  AS_CASE([$gl_cv_header_working_fcntl_h],
+    [*O_DIRECTORY* | *no], [REPLACE_OPEN=1])
   case "$host_os" in
     mingw* | windows* | pw*)
       REPLACE_OPEN=1
-- 
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