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* README: Recomment m4 1.4.4 instead of 1.4.3..

Browse Source 
* doc/autoconf.texi: Likewise.
(Special Chars in Names): Say that $(.FOO) is portable, as
suggested by Stepan Kasal.
This commit is contained in:
Paul Eggert 2006-06-16 11:42:20 +00:00
parent 2f998c3bdc
commit c381a05d74
3 changed files with 17 additions and 9 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2006-06-16 Paul Eggert <eggert@cs.ucla.edu>
* README: Recomment m4 1.4.4 instead of 1.4.3..
* doc/autoconf.texi: Likewise.
(Special Chars in Names): Say that $(.FOO) is portable, as
suggested by Stepan Kasal.
2006-06-15 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/autoconf.texi (Configuration Actions): Remove duplicate

8
README
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@ -11,15 +11,15 @@ operating system features that the package can use, in the form of M4
macro calls.
Producing configuration scripts using Autoconf requires GNU M4 and
Perl. You must install GNU M4 (version 1.4.3 or later) and Perl (5.005_03
Perl. You must install GNU M4 (version 1.4.4 or later) 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 M4, Perl, etc.).
You can get GNU M4 1.4.3 here:
You can get GNU M4 1.4.4 here:
ftp://ftp.gnu.org/gnu/m4/m4-1.4.3.tar.gz
ftp://ftp.gnu.org/gnu/m4/m4-1.4.4.tar.gz
The file INSTALL should be distributed with packages that use
Autoconf-generated configure scripts and Makefiles that conform to the
@ -41,7 +41,7 @@ similarly for the other mailing lists.
-----
Copyright (C) 1992, 1993, 1994, 1998, 2000, 2001, 2002, 2003, 2004,
2005 Free Software Foundation, Inc.
2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Autoconf.

11
doc/autoconf.texi
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@ -484,7 +484,7 @@ Portable Make Programming
* $< in Ordinary Make Rules:: $< in ordinary rules
* Failure in Make Rules:: Failing portably in rules
* Special Chars in Names:: $(.FOO), $(_FOO), $(007), etc.
* Special Chars in Names:: Special Characters in Macro Names
* Backslash-Newline-Newline:: Empty last lines in macro definitions
* Backslash-Newline Comments:: Spanning comments across line boundaries
* Long Lines in Makefiles:: Line length limitations
@ -689,7 +689,7 @@ Autoconf imposes some restrictions on the names of macros used with
Autoconf requires @acronym{GNU} M4 in order to generate the scripts. It uses
features that some versions of M4, including @acronym{GNU} M4 1.3,
do not have. You should use version 1.4.3 or later of @acronym{GNU} M4.
do not have. You should use version 1.4.4 or later of @acronym{GNU} M4.
@xref{Autoconf 1}, for information about upgrading from version 1.
@xref{History}, for the story of Autoconf's development. @xref{FAQ},
@ -13617,7 +13617,7 @@ itself.
@menu
* $< in Ordinary Make Rules:: $< in ordinary rules
* Failure in Make Rules:: Failing portably in rules
* Special Chars in Names:: $(.FOO), $(_FOO), $(007), etc.
* Special Chars in Names:: Special Characters in Macro Names
* Backslash-Newline-Newline:: Empty last lines in macro definitions
* Backslash-Newline Comments:: Spanning comments across line boundaries
* Long Lines in Makefiles:: Line length limitations
@ -13667,7 +13667,8 @@ complicated @command{make} actions into separate scripts.
Posix limits macro names to nonempty strings containing only
@acronym{ASCII} letters and digits, @samp{.}, and @samp{_}. Many
@command{make} implementations allow a wider variety of characters, but
portable makefiles should avoid them.
portable makefiles should avoid them. It is portable to start a name
with a special character, e.g., @samp{$(.FOO)}.
Some ancient @command{make} implementations don't support leading
underscores in macro names. An example is @acronym{NEWS-OS} 4.2R.
@ -18009,7 +18010,7 @@ __file__
__line__
@end example
Autoconf requires version 1.4.3 or later of @acronym{GNU} M4.
Autoconf requires version 1.4.4 or later of @acronym{GNU} M4.
Since only software maintainers need to use Autoconf, and since @acronym{GNU}
M4 is simple to configure and install, it seems reasonable to require