From 884ad3d7d99c8c6c3963bb32728ba9535e776dfb Mon Sep 17 00:00:00 2001
From: Eric Blake
Date: Thu, 25 Feb 2010 14:17:31 -0700
Subject: [PATCH] Recommend latest m4 release.
* README: Bump recommendation to m4 1.4.14 (minimum remains
1.4.6).
* doc/autoconf.texi (Introduction): Likewise.
* m4/m4.m4 (AC_PROG_GNU_M4): Likewise.
Signed-off-by: Eric Blake
---
ChangeLog | 6 ++++++
README | 2 +-
doc/autoconf.texi | 2 +-
m4/m4.m4 | 4 ++--
4 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index fa477a1..5d466cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2010-02-25 Eric Blake
+ Recommend latest m4 release.
+ * README: Bump recommendation to m4 1.4.14 (minimum remains
+ 1.4.6).
+ * doc/autoconf.texi (Introduction): Likewise.
+ * m4/m4.m4 (AC_PROG_GNU_M4): Likewise.
+
Document that Autoconf relies on IFS.
* doc/autoconf.texi (Special Shell Variables) : Add details
about use of IFS within configure script.
diff --git a/README b/README
index fd5591b..7b67372 100644
--- a/README
+++ b/README
@@ -12,7 +12,7 @@ macro calls.
Producing configuration scripts using Autoconf requires GNU M4 and
Perl. You should install GNU M4 (version 1.4.6 or later is required;
-1.4.13 or later is recommended) and Perl (5.005_03 or later) before
+1.4.14 or later is recommended) and Perl (5.005_03 or later) before
configuring Autoconf, so that Autoconf's configure script can find
them. The configuration scripts produced by Autoconf are
self-contained, so their users do not need to have Autoconf (or GNU
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 8f44ffe..a669d06 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -750,7 +750,7 @@ Introduction
Autoconf requires @acronym{GNU} M4 version 1.4.6 or later in order to
generate the scripts. It uses features that some versions of M4,
including @acronym{GNU} M4 1.3, do not have. Autoconf works better
-with @acronym{GNU} M4 version 1.4.13 or later, though this is not
+with @acronym{GNU} M4 version 1.4.14 or later, though this is not
required.
@xref{Autoconf 1}, for information about upgrading from version 1.
diff --git a/m4/m4.m4 b/m4/m4.m4
index a512736..4a2d0d1 100644
--- a/m4/m4.m4
+++ b/m4/m4.m4
@@ -1,4 +1,4 @@
-# m4.m4 serial 10
+# m4.m4 serial 11
# Copyright (C) 2000, 2006, 2007, 2008, 2009, 2010 Free Software
# Foundation, Inc.
@@ -34,7 +34,7 @@ AC_PATH_PROGS_FEATURE_CHECK([M4], [m4 gm4 gnum4],
&& ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:
rm -f conftest.m4f],
[AC_MSG_ERROR([no acceptable m4 could be found in \$PATH.
-GNU M4 1.4.6 or later is required; 1.4.13 is recommended])])])
+GNU M4 1.4.6 or later is required; 1.4.14 is recommended])])])
M4=$ac_cv_path_M4
AC_CACHE_CHECK([whether $ac_cv_path_M4 accepts --gnu],
[ac_cv_prog_gnu_m4_gnu],
--
1.6.6.1