# HG changeset patch
# User Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
# Date 1143284705 0
# Node ID 93d12db0d11f25a722d36b90bf9c3d68da971163
# Parent  af0d674cde4fc3384a48f327b013395cb18118ac
* argz.m4 (gl_FUNC_ARGZ): If we define `error_t', also define
`__error_t_defined', so argp.h will not typedef the former.

diff --git a/m4/ChangeLog b/m4/ChangeLog
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* argz.m4 (gl_FUNC_ARGZ): If we define `error_t', also define
+	`__error_t_defined', so argp.h will not typedef the former.
+
 2006-03-25  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* regex.m4 (gl_REGEX): Don't insist on REG_SYNTAX_POSIX_EGREP,
diff --git a/m4/argz.m4 b/m4/argz.m4
--- a/m4/argz.m4
+++ b/m4/argz.m4
@@ -1,13 +1,13 @@
 # Portability macros for glibc argz.                    -*- Autoconf -*-
 # Written by Gary V. Vaughan <gary@gnu.org>
 
-# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation gives
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 3 argz.m4
+# serial 4 argz.m4
 
 AC_DEFUN([gl_FUNC_ARGZ],
 [gl_PREREQ_ARGZ
@@ -17,7 +17,9 @@
 AC_CHECK_TYPES([error_t],
   [],
   [AC_DEFINE([error_t], [int],
-   [Define to a type to use for `error_t' if it is not otherwise available.])],
+   [Define to a type to use for `error_t' if it is not otherwise available.])
+   AC_DEFINE([__error_t_defined], [1], [Define so that glibc/gnulib argp.h
+    does not typedef error_t.])],
   [#if defined(HAVE_ARGZ_H)
 #  include <argz.h>
 #endif])