# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1241430643 -7200
# Node ID f63675629e000696f63b4ea8aad7eb7432acb9e3
# Parent  2cba55a848c793f24c3bb4616c9cb1c740e525cb
Exploit new semantics of AC_DEFUN_ONCE available since 2009-01-26.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2009-05-04  Bruno Haible  <bruno@clisp.org>
+
+	Exploit new semantics of AC_DEFUN_ONCE available since 2009-01-26.
+	* m4/errno_h.m4 (gl_HEADER_ERRNO_H): Remove outdated comment.
+	* modules/errno (configure.ac): Drop AC_REQUIRE.
+	* m4/multiarch.m4 (gl_MULTIARCH): Remove outdated comment.
+	* modules/multiarch (configure.ac): Drop AC_REQUIRE.
+
 2009-05-04  Simon Josefsson  <simon@josefsson.org>
 
 	* modules/glob-tests: New module.
diff --git a/m4/errno_h.m4 b/m4/errno_h.m4
--- a/m4/errno_h.m4
+++ b/m4/errno_h.m4
@@ -1,10 +1,9 @@
-# errno_h.m4 serial 4
+# errno_h.m4 serial 5
 dnl Copyright (C) 2004, 2006, 2008, 2009 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.
 
-dnl This macro must pass through AC_REQUIRE (never directly invoke it).
 AC_DEFUN_ONCE([gl_HEADER_ERRNO_H],
 [
   AC_REQUIRE([AC_PROG_CC])
diff --git a/m4/multiarch.m4 b/m4/multiarch.m4
--- a/m4/multiarch.m4
+++ b/m4/multiarch.m4
@@ -1,4 +1,4 @@
-# multiarch.m4 serial 4
+# multiarch.m4 serial 5
 dnl Copyright (C) 2008, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -19,7 +19,6 @@
 # Detect this situation and set the macro AA_APPLE_UNIVERSAL_BUILD at the
 # beginning of config.h and set APPLE_UNIVERSAL_BUILD accordingly.
 
-dnl This macro must pass through AC_REQUIRE (never directly invoke it).
 AC_DEFUN_ONCE([gl_MULTIARCH],
 [
   dnl Code similar to autoconf-2.63 AC_C_BIGENDIAN.
diff --git a/modules/errno b/modules/errno
--- a/modules/errno
+++ b/modules/errno
@@ -9,7 +9,7 @@
 include_next
 
 configure.ac:
-AC_REQUIRE([gl_HEADER_ERRNO_H])
+gl_HEADER_ERRNO_H
 
 Makefile.am:
 BUILT_SOURCES += $(ERRNO_H)
diff --git a/modules/multiarch b/modules/multiarch
--- a/modules/multiarch
+++ b/modules/multiarch
@@ -7,7 +7,7 @@
 Depends-on:
 
 configure.ac:
-AC_REQUIRE([gl_MULTIARCH])
+gl_MULTIARCH
 
 Makefile.am: