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[SCM] GNU Autoconf source repository branch, master, updated. v2.69-62-g
|
From: |
Eric Blake |
|
Subject: |
[SCM] GNU Autoconf source repository branch, master, updated. v2.69-62-gddd0bfb |
|
Date: |
Thu, 03 Jan 2013 23:01:25 +0000 |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU Autoconf source repository".
http://git.sv.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=ddd0bfbb0629bcb8c7f698435aa93b070df3b69e
The branch, master has been updated
via ddd0bfbb0629bcb8c7f698435aa93b070df3b69e (commit)
from fbaee459bf25c5467061698bb15883b62136bf8e (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit ddd0bfbb0629bcb8c7f698435aa93b070df3b69e
Author: Eric Blake <address@hidden>
Date: Thu Jan 3 15:13:04 2013 -0700
maint: resync files from upstream
'make syntax-check' complained about something that was already
fixed upstream in doc/standards.texi, so I ran 'make update', and
omitted lib/Autom4te as that still has some issues to be sorted out.
* GNUmakefile: Resync from upstream.
* build-aux/announce-gen: Likewise.
* build-aux/config.guess: Likewise.
* build-aux/config.sub: Likewise.
* build-aux/git-version-gen: Likewise.
* build-aux/gitlog-to-changelog: Likewise.
* build-aux/gnupload: Likewise.
* build-aux/move-if-change: Likewise.
* build-aux/texinfo.tex: Likewise.
* build-aux/update-copyright: Likewise.
* build-aux/useless-if-before-free: Likewise.
* build-aux/vc-list-files: Likewise.
* doc/gendocs_template: Likewise.
* doc/standards.texi: Likewise.
* m4/autobuild.m4: Likewise.
* maint.mk: Likewise.
-----------------------------------------------------------------------
Summary of changes:
GNUmakefile | 2 +-
build-aux/announce-gen | 2 +-
build-aux/config.guess | 26 ++++++++---------
build-aux/config.sub | 36 +++++++++-------------
build-aux/git-version-gen | 23 +++++++++------
build-aux/gitlog-to-changelog | 2 +-
build-aux/gnupload | 2 +-
build-aux/move-if-change | 2 +-
build-aux/texinfo.tex | 7 ++--
build-aux/update-copyright | 6 ++--
build-aux/useless-if-before-free | 2 +-
build-aux/vc-list-files | 2 +-
doc/gendocs_template | 2 +-
doc/standards.texi | 59 +++++++++++++++++++++----------------
m4/autobuild.m4 | 2 +-
maint.mk | 6 ++-
16 files changed, 94 insertions(+), 87 deletions(-)
diff --git a/GNUmakefile b/GNUmakefile
index 58f2ead..8759034 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -5,7 +5,7 @@
# It is necessary if you want to build targets usually of interest
# only to the maintainer.
-# Copyright (C) 2001, 2003, 2006-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2006-2013 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/build-aux/announce-gen b/build-aux/announce-gen
index ec7c22a..3a64ec6 100755
--- a/build-aux/announce-gen
+++ b/build-aux/announce-gen
@@ -9,7 +9,7 @@ my $VERSION = '2012-06-08 06:53'; # UTC
# If you change this file with Emacs, please let the write hook
# do its job. Otherwise, update this string manually.
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/build-aux/config.guess b/build-aux/config.guess
index 872b96a..0aee604 100755
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -2,13 +2,13 @@
# Attempt to guess a canonical system name.
# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-# 2011, 2012 Free Software Foundation, Inc.
+# 2011, 2012, 2013 Free Software Foundation, Inc.
-timestamp='2012-09-25'
+timestamp='2012-12-30'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
@@ -22,19 +22,17 @@ timestamp='2012-09-25'
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-
-# Originally written by Per Bothner. Please send patches (context
-# diff format) to <address@hidden> and include a ChangeLog
-# entry.
+# the same distribution terms that you use for the rest of that
+# program. This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
#
-# This script attempts to guess a canonical system name similar to
-# config.sub. If it succeeds, it prints the system name on stdout, and
-# exits with 0. Otherwise, it exits with 1.
+# Originally written by Per Bothner.
#
# You can get the latest version of this script from:
#
http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+#
+# Please send patches with a ChangeLog entry to address@hidden
+
me=`echo "$0" | sed -e 's,.*/,,'`
@@ -55,8 +53,8 @@ GNU config.guess ($timestamp)
Originally written by Per Bothner.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-Free Software Foundation, Inc.
+2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
+2012, 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
diff --git a/build-aux/config.sub b/build-aux/config.sub
index 8df5511..d1dfcc5 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -2,23 +2,19 @@
# Configuration validation subroutine script.
# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-# 2011, 2012 Free Software Foundation, Inc.
+# 2011, 2012, 2013 Free Software Foundation, Inc.
-timestamp='2012-12-06'
+timestamp='2012-12-31'
-# This file is (in principle) common to ALL GNU software.
-# The presence of a machine in this file suggests that SOME GNU software
-# can handle that machine. It does not imply ALL GNU software can.
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
@@ -26,11 +22,12 @@ timestamp='2012-12-06'
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
+# the same distribution terms that you use for the rest of that
+# program. This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
-# Please send patches to <address@hidden>. Submit a context
-# diff and a properly formatted GNU ChangeLog entry.
+# Please send patches with a ChangeLog entry to address@hidden
#
# Configuration subroutine to validate and canonicalize a configuration type.
# Supply the specified configuration type as an argument.
@@ -74,8 +71,8 @@ version="\
GNU config.sub ($timestamp)
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-Free Software Foundation, Inc.
+2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
+2012, 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -1503,9 +1500,6 @@ case $os in
-aros*)
os=-aros
;;
- -kaos*)
- os=-kaos
- ;;
-zvmoe)
os=-zvmoe
;;
diff --git a/build-aux/git-version-gen b/build-aux/git-version-gen
index 0fa9063..3468247 100755
--- a/build-aux/git-version-gen
+++ b/build-aux/git-version-gen
@@ -1,8 +1,8 @@
#!/bin/sh
# Print a version string.
-scriptversion=2012-03-18.17; # UTC
+scriptversion=2012-12-31.23; # UTC
-# Copyright (C) 2007-2012 Free Software Foundation, Inc.
+# Copyright (C) 2007-2013 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -86,6 +86,7 @@ Print a version string.
Options:
--prefix prefix of git tags (default 'v')
+ --fallback fallback version to use if \"git --version\" fails
--help display this help and exit
--version output version information and exit
@@ -93,20 +94,22 @@ Options:
Running without arguments will suffice in most cases."
prefix=v
+fallback=
while test $# -gt 0; do
case $1 in
--help) echo "$usage"; exit 0;;
--version) echo "$version"; exit 0;;
--prefix) shift; prefix="$1";;
+ --fallback) shift; fallback="$1";;
-*)
echo "$0: Unknown option '$1'." >&2
echo "$0: Try '--help' for more information." >&2
exit 1;;
*)
- if test -z "$tarball_version_file"; then
+ if test "x$tarball_version_file" = x; then
tarball_version_file="$1"
- elif test -z "$tag_sed_script"; then
+ elif test "x$tag_sed_script" = x; then
tag_sed_script="$1"
else
echo "$0: extra non-option argument '$1'." >&2
@@ -116,7 +119,7 @@ while test $# -gt 0; do
shift
done
-if test -z "$tarball_version_file"; then
+if test "x$tarball_version_file" = x; then
echo "$usage"
exit 1
fi
@@ -140,11 +143,11 @@ then
[0-9]*) ;;
*) v= ;;
esac
- test -z "$v" \
+ test "x$v" = x \
&& echo "$0: WARNING: $tarball_version_file is missing or damaged" 1>&2
fi
-if test -n "$v"
+if test "x$v" != x
then
: # use $v
# Otherwise, if there is at least one git commit involving the working
@@ -184,8 +187,10 @@ then
# Remove the "g" in git describe's output string, to save a byte.
v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`;
v_from_git=1
-else
+elif test "x$fallback" = x || git --version >/dev/null 2>&1; then
v=UNKNOWN
+else
+ v=$fallback
fi
v=`echo "$v" |sed "s/^$prefix//"`
@@ -193,7 +198,7 @@ v=`echo "$v" |sed "s/^$prefix//"`
# Test whether to append the "-dirty" suffix only if the version
# string we're using came from git. I.e., skip the test if it's "UNKNOWN"
# or if it came from .tarball-version.
-if test -n "$v_from_git"; then
+if test "x$v_from_git" != x; then
# Don't declare a version "dirty" merely because a time stamp has changed.
git update-index --refresh > /dev/null 2>&1
diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog
index 5184edc..e02d34c 100755
--- a/build-aux/gitlog-to-changelog
+++ b/build-aux/gitlog-to-changelog
@@ -9,7 +9,7 @@ my $VERSION = '2012-07-29 06:11'; # UTC
# If you change this file with Emacs, please let the write hook
# do its job. Otherwise, update this string manually.
-# Copyright (C) 2008-2012 Free Software Foundation, Inc.
+# Copyright (C) 2008-2013 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/build-aux/gnupload b/build-aux/gnupload
index f6b999b..e329e83 100755
--- a/build-aux/gnupload
+++ b/build-aux/gnupload
@@ -3,7 +3,7 @@
scriptversion=2012-12-11.16; # UTC
-# Copyright (C) 2004-2012 Free Software Foundation, Inc.
+# Copyright (C) 2004-2013 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/build-aux/move-if-change b/build-aux/move-if-change
index 8cae2b3..f45cbea 100755
--- a/build-aux/move-if-change
+++ b/build-aux/move-if-change
@@ -8,7 +8,7 @@ VERSION='2012-01-06 07:23'; # UTC
# If you change this file with Emacs, please let the write hook
# do its job. Otherwise, update this string manually.
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/build-aux/texinfo.tex b/build-aux/texinfo.tex
index b5f3141..d64f45b 100644
--- a/build-aux/texinfo.tex
+++ b/build-aux/texinfo.tex
@@ -3,11 +3,11 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2012-11-08.11}
+\def\texinfoversion{2013-01-01.15}
%
% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-% 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+% 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
%
% This texinfo.tex file is free software: you can redistribute it and/or
% modify it under the terms of the GNU General Public License as
@@ -24,7 +24,8 @@
%
% As a special exception, when this file is read by TeX when processing
% a Texinfo source document, you may use the result without
-% restriction. (This has been our intent since Texinfo was invented.)
+% restriction. This Exception is an additional permission under section 7
+% of the GNU General Public License, version 3 ("GPLv3").
%
% Please try the latest version of texinfo.tex before submitting bug
% reports; you can get the latest version from:
diff --git a/build-aux/update-copyright b/build-aux/update-copyright
index 082b749..c72d0e6 100755
--- a/build-aux/update-copyright
+++ b/build-aux/update-copyright
@@ -3,9 +3,9 @@ eval '(exit $?0)' && eval 'exec perl -wS -0777 -pi "$0"
${1+"$@"}'
if 0;
# Update an FSF copyright year list to include the current year.
-my $VERSION = '2012-02-05.21:39'; # UTC
+my $VERSION = '2013-01-03.09:41'; # UTC
-# Copyright (C) 2009-2012 Free Software Foundation, Inc.
+# Copyright (C) 2009-2013 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -192,7 +192,7 @@ if (defined $stmt_re)
if ($final_year != $this_year)
{
# Update the year.
- $stmt =~ s/$final_year_orig/$final_year, $this_year/;
+ $stmt =~ s/\b$final_year_orig\b/$final_year, $this_year/;
}
if ($final_year != $this_year || $ENV{'UPDATE_COPYRIGHT_FORCE'})
{
diff --git a/build-aux/useless-if-before-free b/build-aux/useless-if-before-free
index 2b64630..663347a 100755
--- a/build-aux/useless-if-before-free
+++ b/build-aux/useless-if-before-free
@@ -10,7 +10,7 @@ my $VERSION = '2012-01-06 07:23'; # UTC
# If you change this file with Emacs, please let the write hook
# do its job. Otherwise, update this string manually.
-# Copyright (C) 2008-2012 Free Software Foundation, Inc.
+# Copyright (C) 2008-2013 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/build-aux/vc-list-files b/build-aux/vc-list-files
index d477da8..7ec335f 100755
--- a/build-aux/vc-list-files
+++ b/build-aux/vc-list-files
@@ -4,7 +4,7 @@
# Print a version string.
scriptversion=2011-05-16.22; # UTC
-# Copyright (C) 2006-2012 Free Software Foundation, Inc.
+# Copyright (C) 2006-2013 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/doc/gendocs_template b/doc/gendocs_template
index a62ad61..63fbe53 100644
--- a/doc/gendocs_template
+++ b/doc/gendocs_template
@@ -75,7 +75,7 @@ the FSF.<br />
Please send broken links and other corrections or suggestions to
<a href="mailto:%%EMAIL%%";><%%EMAIL%%></a>.</p>
-<p>Copyright © 2012 Free Software Foundation, Inc.</p>
+<p>Copyright © 2013 Free Software Foundation, Inc.</p>
<p>Verbatim copying and distribution of this entire article are
permitted worldwide, without royalty, in any medium, provided this
diff --git a/doc/standards.texi b/doc/standards.texi
index 5fb433f..6978e51 100644
--- a/doc/standards.texi
+++ b/doc/standards.texi
@@ -3,7 +3,7 @@
@setfilename standards.info
@settitle GNU Coding Standards
@c This date is automagically updated when you save this file:
address@hidden lastupdate November 25, 2012
address@hidden lastupdate January 1, 2013
@c %**end of header
@dircategory GNU organization
@@ -28,7 +28,7 @@ The GNU coding standards, last updated @value{lastupdate}.
Copyright @copyright{} 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-2011, 2012 Free Software Foundation, Inc.
+2011, 2012, 2013 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -339,20 +339,21 @@ system.
@node Compatibility
@section Compatibility with Other Implementations
address@hidden compatibility with C and @sc{posix} standards
address@hidden @sc{posix} compatibility
address@hidden compatibility with C and POSIX standards
address@hidden C compatibility
address@hidden POSIX compatibility
With occasional exceptions, utility programs and libraries for GNU
should be upward compatible with those in Berkeley Unix, and upward
compatible with Standard C if Standard C specifies their
-behavior, and upward compatible with @sc{posix} if @sc{posix} specifies
+behavior, and upward compatible with POSIX if POSIX specifies
their behavior.
When these standards conflict, it is useful to offer compatibility
modes for each of them.
@cindex options for compatibility
-Standard C and @sc{posix} prohibit many kinds of extensions. Feel
+Standard C and POSIX prohibit many kinds of extensions. Feel
free to make the extensions anyway, and include a @samp{--ansi},
@samp{--posix}, or @samp{--compatible} option to turn them off.
However, if the extension has a significant chance of breaking any real
@@ -360,7 +361,7 @@ programs or scripts, then it is not really upward
compatible. So you
should try to redesign its interface to make it upward compatible.
@cindex @code{POSIXLY_CORRECT}, environment variable
-Many GNU programs suppress extensions that conflict with @sc{posix} if the
+Many GNU programs suppress extensions that conflict with POSIX if the
environment variable @code{POSIXLY_CORRECT} is defined (even if it is
defined with a null value). Please make your program recognize this
variable if appropriate.
@@ -408,18 +409,24 @@ already. That would be extremely troublesome in certain
cases.
@node Standard C
@section Standard C and Pre-Standard C
address@hidden @sc{ansi} C standard
address@hidden ANSI C standard
1989 Standard C is widespread enough now that it is ok to use its
-features in new programs. There is one exception: do not ever use the
+features in programs. There is one exception: do not ever use the
``trigraph'' feature of Standard C.
-1999 Standard C is not widespread yet, so please do not require its
-features in programs. It is ok to use its features if they are present.
+The 1999 and 2011 editions of Standard C are not fully supported
+on all platforms. If you aim to support compilation by
+compilers other than GCC, you should not require these C
+features in your programs. It is ok to use these features
+conditionally when the compiler supports them.
+
+If your program is only meant to compile with GCC, then you can
+use these features if GCC supports them, when they give substantial
+benefit.
However, it is easy to support pre-standard compilers in most programs,
-so if you know how to do that, feel free. If a program you are
-maintaining has such support, you should try to keep it working.
+so if you know how to do that, feel free.
@cindex function prototypes
To support pre-standard C, instead of writing function definitions in
@@ -664,10 +671,10 @@ These are supported compatibly by GNU.
@cindex signal handling
The preferred signal handling facilities are the BSD variant of
address@hidden, and the @sc{posix} @code{sigaction} function; the
address@hidden, and the POSIX @code{sigaction} function; the
alternative USG @code{signal} interface is an inferior design.
-Nowadays, using the @sc{posix} signal functions may be the easiest way
+Nowadays, using the POSIX signal functions may be the easiest way
to make a program portable. If you use @code{signal}, then on GNU/Linux
systems running GNU libc version 1, you should include
@file{bsd/signal.h} instead of @file{signal.h}, so as to get BSD
@@ -900,11 +907,11 @@ the graphical interface, these won't be much extra work.
@cindex command-line interface
@findex getopt
-It is a good idea to follow the @sc{posix} guidelines for the
+It is a good idea to follow the POSIX guidelines for the
command-line options of a program. The easiest way to do this is to use
@code{getopt} to parse them. Note that the GNU version of @code{getopt}
will normally permit options anywhere among the arguments unless the
-special argument @samp{--} is used. This is not what @sc{posix}
+special argument @samp{--} is used. This is not what POSIX
specifies; it is a GNU extension.
@cindex long-named options
@@ -2865,7 +2872,7 @@ versions. For a GNU program, this kind of portability is
desirable, but
not paramount.
The primary purpose of GNU software is to run on top of the GNU kernel,
-compiled with the GNU C compiler, on various types of @sc{cpu}. So the
+compiled with the GNU C compiler, on various types of CPU. So the
kinds of portability that are absolutely necessary are quite limited.
But it is important to support Linux-based GNU systems, since they
are the form of GNU that is popular.
@@ -2887,7 +2894,7 @@ written.
Avoid using the format of semi-internal data bases (e.g., directories)
when there is a higher-level alternative (@code{readdir}).
address@hidden address@hidden systems, and portability
address@hidden non-POSIX systems, and portability
As for systems that are not like Unix, such as MSDOS, Windows, VMS, MVS,
and older Macintosh systems, supporting them is often a lot of work.
When that is the case, it is better to spend your time adding features
@@ -2916,11 +2923,11 @@ using their names for any other meanings. Doing so
would make it hard
to move your code into other GNU programs.
@node CPU Portability
address@hidden Portability between @sc{cpu}s
address@hidden Portability between CPUs
@cindex data types, and portability
@cindex portability, and data types
-Even GNU systems will differ because of differences among @sc{cpu}
+Even GNU systems will differ because of differences among CPU
types---for example, difference in byte ordering and alignment
requirements. It is absolutely essential to handle these differences.
However, don't make any effort to cater to the possibility that an
@@ -2991,12 +2998,12 @@ from zero.
Historically, C implementations differed substantially, and many
systems lacked a full implementation of ANSI/ISO C89. Nowadays,
-however, very few systems lack a C89 compiler and GNU C supports
-almost all of C99. Similarly, most systems implement POSIX.1-1993
-libraries and tools, and many have POSIX.1-2001.
+however, all practical systems have a C89 compiler and GNU C supports
+almost all of C99 and some of C11. Similarly, most systems implement
+POSIX.1-2001 libraries and tools, and many have POSIX.1-2008.
Hence, there is little reason to support old C or non-POSIX systems,
-and you may want to take advantage of C99 and POSIX-1.2001 to write
+and you may want to take advantage of standard C and POSIX to write
clearer, more portable, or faster code. You should use standard
interfaces where possible; but if GNU extensions make your program
more maintainable, powerful, or otherwise better, don't hesitate to
@@ -4092,7 +4099,7 @@ package the version can be found;
@item a general description of what the package does;
address@hidden a reference to the the file @file{INSTALL}, which
address@hidden a reference to the file @file{INSTALL}, which
should in turn contain an explanation of the installation procedure;
@item a brief explanation of any unusual top-level directories or
diff --git a/m4/autobuild.m4 b/m4/autobuild.m4
index 284dc60..3147b5b 100644
--- a/m4/autobuild.m4
+++ b/m4/autobuild.m4
@@ -1,5 +1,5 @@
# autobuild.m4 serial 7
-dnl Copyright (C) 2004, 2006-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2004, 2006-2013 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.
diff --git a/maint.mk b/maint.mk
index ce9ed05..2b454a1 100644
--- a/maint.mk
+++ b/maint.mk
@@ -1370,7 +1370,8 @@ endef
.PHONY: no-submodule-changes
no-submodule-changes:
- $(AM_V_GEN)if test -d $(srcdir)/.git; then \
+ $(AM_V_GEN)if test -d $(srcdir)/.git \
+ && git --version >/dev/null 2>&1; then \
diff=$$(cd $(srcdir) && git submodule -q foreach \
git diff-index --name-only HEAD) \
|| exit 1; \
@@ -1388,7 +1389,8 @@ submodule-checks ?= no-submodule-changes
public-submodule-commit
# cannot be built from a fresh clone.
.PHONY: public-submodule-commit
public-submodule-commit:
- $(AM_V_GEN)if test -d $(srcdir)/.git; then \
+ $(AM_V_GEN)if test -d $(srcdir)/.git \
+ && git --version >/dev/null 2>&1; then \
cd $(srcdir) && \
git submodule --quiet foreach \
test '"$$(git rev-parse "$$sha1")"' \
hooks/post-receive
--
GNU Autoconf source repository
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