# HG changeset patch
# User Eric Blake <ebb9@byu.net>
# Date 1242268710 21600
# Node ID 0d26e7ef3771e6041ac8430de897bae67977256c
# Parent  1e84e9b3384a74d80b60c8275caccef1f9a92c84
mmap-anon: avoid out-of-order autoconf expansion

* m4/mmap-anon.m4 (gl_FUNC_MMAP_ANON): Use correct
SYSTEM_EXTENSIONS macro to silence warnings from autoconf 2.63b.
* modules/memchr-tests (Depends-on): Add extensions.
* modules/memchr2-tests (Depends-on): Add extensions.
* modules/memcmp-tests (Depends-on): Add extensions.
* modules/memmem-tests (Depends-on): Add extensions.
* modules/memrchr-tests (Depends-on): Add extensions.

Signed-off-by: Eric Blake <ebb9@byu.net>

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2009-05-13  Eric Blake  <ebb9@byu.net>
+
+	mmap-anon: avoid out-of-order autoconf expansion
+	* m4/mmap-anon.m4 (gl_FUNC_MMAP_ANON): Use correct
+	SYSTEM_EXTENSIONS macro to silence warnings from autoconf 2.63b.
+	* modules/memchr-tests (Depends-on): Add extensions.
+	* modules/memchr2-tests (Depends-on): Add extensions.
+	* modules/memcmp-tests (Depends-on): Add extensions.
+	* modules/memmem-tests (Depends-on): Add extensions.
+	* modules/memrchr-tests (Depends-on): Add extensions.
+
 2009-05-13  Bruno Haible  <bruno@clisp.org>
 
 	Make some tests ISO C 99 compliant.
diff --git a/m4/mmap-anon.m4 b/m4/mmap-anon.m4
--- a/m4/mmap-anon.m4
+++ b/m4/mmap-anon.m4
@@ -1,4 +1,4 @@
-# mmap-anon.m4 serial 7
+# mmap-anon.m4 serial 8
 dnl Copyright (C) 2005, 2007, 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,
@@ -20,7 +20,7 @@
   AC_REQUIRE([AC_PROG_EGREP])
 
   dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS.
-  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
 
   # Check for mmap(). Don't use AC_FUNC_MMAP, because it checks too much: it
   # fails on HP-UX 11, because MAP_FIXED mappings do not work. But this is
diff --git a/modules/memchr-tests b/modules/memchr-tests
--- a/modules/memchr-tests
+++ b/modules/memchr-tests
@@ -4,6 +4,7 @@
 m4/mmap-anon.m4
 
 Depends-on:
+extensions
 getpagesize
 
 configure.ac:
diff --git a/modules/memchr2-tests b/modules/memchr2-tests
--- a/modules/memchr2-tests
+++ b/modules/memchr2-tests
@@ -4,6 +4,7 @@
 m4/mmap-anon.m4
 
 Depends-on:
+extensions
 getpagesize
 
 configure.ac:
diff --git a/modules/memcmp-tests b/modules/memcmp-tests
--- a/modules/memcmp-tests
+++ b/modules/memcmp-tests
@@ -4,6 +4,7 @@
 m4/mmap-anon.m4
 
 Depends-on:
+extensions
 getpagesize
 
 configure.ac:
diff --git a/modules/memmem-tests b/modules/memmem-tests
--- a/modules/memmem-tests
+++ b/modules/memmem-tests
@@ -4,6 +4,7 @@
 m4/mmap-anon.m4
 
 Depends-on:
+extensions
 getpagesize
 
 configure.ac:
diff --git a/modules/memrchr-tests b/modules/memrchr-tests
--- a/modules/memrchr-tests
+++ b/modules/memrchr-tests
@@ -4,6 +4,7 @@
 m4/mmap-anon.m4
 
 Depends-on:
+extensions
 getpagesize
 
 configure.ac: