From 1adba49ab20ac283ca62963f115910f1cf7b63ad Mon Sep 17 00:00:00 2001
From: Andy Wingo <wingo@pobox.com>
Date: Sat, 9 Mar 2013 19:08:51 +0100
Subject: Import `pipe-posix' module from gnulib.

* lib/Makefile.am:
* lib/pipe.c:
* m4/gnulib-cache.m4:
* m4/gnulib-comp.m4:
* m4/pipe.m4: Add pipe-posix module.
---
 m4/pipe.m4 | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 m4/pipe.m4

(limited to 'm4/pipe.m4')

diff --git a/m4/pipe.m4 b/m4/pipe.m4
new file mode 100644
index 000000000..583128332
--- /dev/null
+++ b/m4/pipe.m4
@@ -0,0 +1,15 @@
+# pipe.m4 serial 2
+dnl Copyright (C) 2010-2013 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_PIPE],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+
+  AC_CHECK_FUNCS_ONCE([pipe])
+  if test $ac_cv_func_pipe != yes; then
+    HAVE_PIPE=0
+  fi
+])
-- 
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