From 29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:21:29 +0200
Subject: Adding upstream version 1:0.1.9998svn3589+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/grep/m4/opendir.m4 | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src/grep/m4/opendir.m4

(limited to 'src/grep/m4/opendir.m4')

diff --git a/src/grep/m4/opendir.m4 b/src/grep/m4/opendir.m4
new file mode 100644
index 0000000..517edae
--- /dev/null
+++ b/src/grep/m4/opendir.m4
@@ -0,0 +1,32 @@
+# opendir.m4 serial 5
+dnl Copyright (C) 2011-2021 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_OPENDIR],
+[
+  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+
+  AC_CHECK_FUNCS([opendir])
+  if test $ac_cv_func_opendir = no; then
+    HAVE_OPENDIR=0
+  fi
+  dnl Replace opendir() for supporting the gnulib-defined fchdir() function,
+  dnl to keep fchdir's bookkeeping up-to-date.
+  m4_ifdef([gl_FUNC_FCHDIR], [
+    gl_TEST_FCHDIR
+    if test $HAVE_FCHDIR = 0; then
+      if test $HAVE_OPENDIR = 1; then
+        REPLACE_OPENDIR=1
+      fi
+    fi
+  ])
+  dnl Replace opendir() on OS/2 kLIBC to support dirfd() function replaced
+  dnl by gnulib.
+  case $host_os,$HAVE_OPENDIR in
+    os2*,1)
+      REPLACE_OPENDIR=1;;
+  esac
+])
-- 
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