From 22e0b84f86ca7f9e0e426fd23066ec6d6666e716 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 17 Aug 2003 17:58:01 +0000
Subject: New file, from gnulib.

---
 m4/dup2.m4 | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 m4/dup2.m4

(limited to 'm4/dup2.m4')

diff --git a/m4/dup2.m4 b/m4/dup2.m4
new file mode 100644
index 000000000..727366946
--- /dev/null
+++ b/m4/dup2.m4
@@ -0,0 +1,21 @@
+# dup2.m4 serial 1
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_FUNC_DUP2],
+[
+  AC_REPLACE_FUNCS(dup2)
+  if test $ac_cv_func_dup2 = no; then
+    gl_PREREQ_DUP2
+  fi
+])
+
+# Prerequisites of lib/dup2.c.
+AC_DEFUN([gl_PREREQ_DUP2], [
+  AC_CHECK_HEADERS_ONCE(fcntl.h unistd.h)
+])
+
-- 
cgit v1.2.3-70-g09d2