From be8efac78d067c138ad8dda03df4336e73f94887 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff.email>
Date: Sat, 8 Jan 2022 11:51:07 +0100
Subject: New upstream version 1.0

---
 gnulib-m4/close.m4 | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 gnulib-m4/close.m4

(limited to 'gnulib-m4/close.m4')

diff --git a/gnulib-m4/close.m4 b/gnulib-m4/close.m4
new file mode 100644
index 00000000..f95dbc9d
--- /dev/null
+++ b/gnulib-m4/close.m4
@@ -0,0 +1,35 @@
+# close.m4 serial 9
+dnl Copyright (C) 2008-2022 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.
+
+AC_DEFUN([gl_FUNC_CLOSE],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  m4_ifdef([gl_MSVC_INVAL], [
+    AC_REQUIRE([gl_MSVC_INVAL])
+    if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+      REPLACE_CLOSE=1
+    fi
+  ])
+  m4_ifdef([gl_PREREQ_SYS_H_WINSOCK2], [
+    gl_PREREQ_SYS_H_WINSOCK2
+    if test $UNISTD_H_HAVE_WINSOCK2_H = 1; then
+      dnl Even if the 'socket' module is not used here, another part of the
+      dnl application may use it and pass file descriptors that refer to
+      dnl sockets to the close() function. So enable the support for sockets.
+      REPLACE_CLOSE=1
+    fi
+  ])
+  dnl Replace close() for supporting the gnulib-defined fchdir() function,
+  dnl to keep fchdir's bookkeeping up-to-date.
+  m4_ifdef([gl_FUNC_FCHDIR], [
+    if test $REPLACE_CLOSE = 0; then
+      gl_TEST_FCHDIR
+      if test $HAVE_FCHDIR = 0; then
+        REPLACE_CLOSE=1
+      fi
+    fi
+  ])
+])
-- 
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