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[SCM] GNU Autoconf source repository branch, master, updated. v2.67-73-g
|
From: |
Eric Blake |
|
Subject: |
[SCM] GNU Autoconf source repository branch, master, updated. v2.67-73-g842807a |
|
Date: |
Fri, 17 Sep 2010 23:06:45 +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=842807af6ce5c76234cea111157fa65b95751bdb
The branch, master has been updated
via 842807af6ce5c76234cea111157fa65b95751bdb (commit)
from 779418b2d51457502cdf2e0d601ad9329089a74c (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 842807af6ce5c76234cea111157fa65b95751bdb
Author: Eric Blake <address@hidden>
Date: Fri Sep 17 06:16:07 2010 -0600
build: support autobuild
* cfg.mk (gnulib-update): Add autobuild.m4.
* configure.ac (AB_INIT): Output autobuild header.
* m4/autobuild.m4: New file, from gnulib.
* build-aux/config.guess: Resync from upstream.
* build-aux/config.sub: Likewise.
* build-aux/texinfo.tex: Likewise.
* doc/fdl.texi: Likewise.
* doc/gnu-oids.texi: Likewise.
* doc/make-stds.texi: Likewise.
* doc/standards.texi: Likewise.
* build-aux/gendocs.sh: Likewise.
Signed-off-by: Eric Blake <address@hidden>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++++
build-aux/config.guess | 7 +++-
build-aux/config.sub | 10 ++++++-
build-aux/gendocs.sh | 31 +++++++++------------
build-aux/texinfo.tex | 36 ++++++++++++++++++------
cfg.mk | 1 +
configure.ac | 2 +
doc/fdl.texi | 20 +++++++-------
doc/gnu-oids.texi | 3 ++
doc/make-stds.texi | 11 ++++---
doc/standards.texi | 69 +++++++++++++++++++++++++++++++++++++++++++----
m4/autobuild.m4 | 40 +++++++++++++++++++++++++++
12 files changed, 193 insertions(+), 50 deletions(-)
create mode 100644 m4/autobuild.m4
diff --git a/ChangeLog b/ChangeLog
index 8067072..458343f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,18 @@
2010-09-17 Eric Blake <address@hidden>
+ build: support autobuild
+ * cfg.mk (gnulib-update): Add autobuild.m4.
+ * configure.ac (AB_INIT): Output autobuild header.
+ * m4/autobuild.m4: New file, from gnulib.
+ * build-aux/config.guess: Resync from upstream.
+ * build-aux/config.sub: Likewise.
+ * build-aux/texinfo.tex: Likewise.
+ * doc/fdl.texi: Likewise.
+ * doc/gnu-oids.texi: Likewise.
+ * doc/make-stds.texi: Likewise.
+ * doc/standards.texi: Likewise.
+ * build-aux/gendocs.sh: Likewise.
+
config.status: avoid corrupting $ac_t
* lib/autoconf/status.m4 (_AC_OUTPUT_HEADERS_PREPARE): Use a
different name, so as not to clash with pre-2.50 usage of "$ac_t"
diff --git a/build-aux/config.guess b/build-aux/config.guess
index 115f944..2852378 100755
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -4,7 +4,7 @@
# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
# Free Software Foundation, Inc.
-timestamp='2010-04-03'
+timestamp='2010-08-21'
# 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
@@ -552,7 +552,7 @@ EOF
echo rs6000-ibm-aix3.2
fi
exit ;;
- *:AIX:*:[456])
+ *:AIX:*:[4567])
IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk
'{ print $1 }'`
if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1;
then
IBM_ARCH=rs6000
@@ -968,6 +968,9 @@ EOF
sparc:Linux:*:* | sparc64:Linux:*:*)
echo ${UNAME_MACHINE}-unknown-linux-gnu
exit ;;
+ tile*:Linux:*:*)
+ echo ${UNAME_MACHINE}-tilera-linux-gnu
+ exit ;;
vax:Linux:*:*)
echo ${UNAME_MACHINE}-dec-linux-gnu
exit ;;
diff --git a/build-aux/config.sub b/build-aux/config.sub
index 204218c..320e303 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -4,7 +4,7 @@
# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
# Free Software Foundation, Inc.
-timestamp='2010-05-21'
+timestamp='2010-09-11'
# This file is (in principle) common to ALL GNU software.
# The presence of a machine in this file suggests that SOME GNU software
@@ -283,6 +283,7 @@ case $basic_machine in
| moxie \
| mt \
| msp430 \
+ | nds32 | nds32le | nds32be \
| nios | nios2 \
| ns16k | ns32k \
| or32 \
@@ -378,6 +379,7 @@ case $basic_machine in
| mmix-* \
| mt-* \
| msp430-* \
+ | nds32-* | nds32le-* | nds32be-* \
| nios-* | nios2-* \
| none-* | np1-* | ns16k-* | ns32k-* \
| orion-* \
@@ -860,6 +862,12 @@ case $basic_machine in
np1)
basic_machine=np1-gould
;;
+ neo-tandem)
+ basic_machine=neo-tandem
+ ;;
+ nse-tandem)
+ basic_machine=nse-tandem
+ ;;
nsr-tandem)
basic_machine=nsr-tandem
;;
diff --git a/build-aux/gendocs.sh b/build-aux/gendocs.sh
index 7cb2524..e219df3 100755
--- a/build-aux/gendocs.sh
+++ b/build-aux/gendocs.sh
@@ -2,7 +2,7 @@
# gendocs.sh -- generate a GNU manual in many formats. This script is
# mentioned in maintain.texi. See the help message below for usage details.
-scriptversion=2010-07-21.10
+scriptversion=2010-07-26.16
# Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
# Free Software Foundation, Inc.
@@ -44,7 +44,7 @@ unset use_texi2html
version="gendocs.sh $scriptversion
-Copyright 2009 Free Software Foundation, Inc.
+Copyright 2010 Free Software Foundation, Inc.
There is NO warranty. You may redistribute this software
under the terms of the GNU General Public License.
For more information about these matters, see the files named COPYING."
@@ -95,16 +95,16 @@ If a manual's Texinfo sources are spread across several
directories,
first copy or symlink all Texinfo sources into a single directory.
(Part of the script's work is to make a tar.gz of the sources.)
-You can set the environment variables MAKEINFO, TEXI2DVI, and DVIPS to
-control the programs that get executed, and GENDOCS_TEMPLATE_DIR to
-control where the gendocs_template file is looked for. (With --docbook,
-the environment variables DOCBOOK2HTML, DOCBOOK2PDF, DOCBOOK2PS, and
-DOCBOOK2TXT are also respected.)
+You can set the environment variables MAKEINFO, TEXI2DVI, TEXI2HTML, and
+DVIPS to control the programs that get executed, and
+GENDOCS_TEMPLATE_DIR to control where the gendocs_template file is
+looked for. With --docbook, the environment variables DOCBOOK2HTML,
+DOCBOOK2PDF, DOCBOOK2PS, and DOCBOOK2TXT are also respected.
-By default, makeinfo is run in the default (English) locale, since
-that's the language of most Texinfo manuals. If you happen to have a
-non-English manual and non-English web site, see the SETLANG setting
-in the source.
+By default, makeinfo and texi2dvi are run in the default (English)
+locale, since that's the language of most Texinfo manuals. If you
+happen to have a non-English manual and non-English web site, see the
+SETLANG setting in the source.
Email bug reports or enhancement requests to address@hidden
"
@@ -192,7 +192,7 @@ info_tgz_size=`calcsize $outdir/$PACKAGE.info.tar.gz`
# do not mv the info files, there's no point in having them available
# separately on the web.
-cmd="${TEXI2DVI} \"$srcfile\""
+cmd="$SETLANG ${TEXI2DVI} \"$srcfile\""
echo "Generating dvi ... ($cmd)"
eval "$cmd"
@@ -208,7 +208,7 @@ gzip -f -9 $PACKAGE.dvi
dvi_gz_size=`calcsize $PACKAGE.dvi.gz`
mv $PACKAGE.dvi.gz $outdir/
-cmd="${TEXI2DVI} --pdf \"$srcfile\""
+cmd="$SETLANG ${TEXI2DVI} --pdf \"$srcfile\""
echo "Generating pdf ... ($cmd)"
eval "$cmd"
pdf_size=`calcsize $PACKAGE.pdf`
@@ -282,11 +282,8 @@ fi
echo Making .tar.gz for sources...
d=`dirname $srcfile`
-(
-cd "$d"
-srcfiles=`ls *.texinfo *.texi *.txi *.eps 2>/dev/null` || true
+srcfiles=`ls $d/*.texinfo $d/*.texi $d/*.txi $d/*.eps 2>/dev/null` || true
tar cvzfh $outdir/$PACKAGE.texi.tar.gz $srcfiles
-)
texi_tgz_size=`calcsize $outdir/$PACKAGE.texi.tar.gz`
if test -n "$docbook"; then
diff --git a/build-aux/texinfo.tex b/build-aux/texinfo.tex
index bab1b33..f472b65 100644
--- a/build-aux/texinfo.tex
+++ b/build-aux/texinfo.tex
@@ -3,7 +3,7 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2010-06-17.11}
+\def\texinfoversion{2010-09-06.17}
%
% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -2333,7 +2333,7 @@ end
% and 2) do not add an italic correction.
\def\dosmartslant#1#2{%
\ifusingtt
- {\ttsl #2\let\next=\relax}%
+ {{\ttsl #2}\let\next=\relax}%
{\def\next{{#1#2}\futurelet\next\smartitaliccorrection}}%
\next
}
@@ -4212,7 +4212,7 @@ end
\def\commondummies{%
%
% \definedummyword defines \#1 as \string\#1\space, thus effectively
- % preventing its expansion. This is used only for control% words,
+ % preventing its expansion. This is used only for control words,
% not control letters, because the \space would be incorrect for
% control characters, but is needed to separate the control word
% from whatever follows.
@@ -4231,6 +4231,7 @@ end
\commondummiesnofonts
%
\definedummyletter\_%
+ \definedummyletter\-%
%
% Non-English letters.
\definedummyword\AA
@@ -4267,6 +4268,7 @@ end
\definedummyword\TeX
%
% Assorted special characters.
+ \definedummyword\arrow
\definedummyword\bullet
\definedummyword\comma
\definedummyword\copyright
@@ -4277,11 +4279,13 @@ end
\definedummyword\equiv
\definedummyword\error
\definedummyword\euro
+ \definedummyword\expansion
+ \definedummyword\geq
\definedummyword\guillemetleft
\definedummyword\guillemetright
\definedummyword\guilsinglleft
\definedummyword\guilsinglright
- \definedummyword\expansion
+ \definedummyword\leq
\definedummyword\minus
\definedummyword\ogonek
\definedummyword\pounds
@@ -4338,7 +4342,9 @@ end
\definedummyword\b
\definedummyword\i
\definedummyword\r
+ \definedummyword\sansserif
\definedummyword\sc
+ \definedummyword\slanted
\definedummyword\t
%
% Commands that take arguments.
@@ -4347,10 +4353,12 @@ end
\definedummyword\code
\definedummyword\command
\definedummyword\dfn
+ \definedummyword\dmn
\definedummyword\email
\definedummyword\emph
\definedummyword\env
\definedummyword\file
+ \definedummyword\indicateurl
\definedummyword\kbd
\definedummyword\key
\definedummyword\math
@@ -4378,7 +4386,7 @@ end
\def\definedummyaccent##1{\let##1\asis}%
% We can just ignore other control letters.
\def\definedummyletter##1{\let##1\empty}%
- % Hopefully, all control words can become @asis.
+ % All control words become @asis by default; overrides below.
\let\definedummyword\definedummyaccent
%
\commondummiesnofonts
@@ -4390,8 +4398,14 @@ end
%
\def\ { }%
address@hidden@}%
- % how to handle braces?
\def\_{\normalunderscore}%
+ \def\-{}% @- shouldn't affect sorting
+ %
+ % Unfortunately, texindex is not prepared to handle braces in the
+ % content at all. So for index sorting, we map @{ and @} to strings
+ % starting with |, since that ASCII character is between ASCII { and }.
+ \def\{{|a}%
+ \def\}{|b}%
%
% Non-English letters.
\def\AA{AA}%
@@ -4419,6 +4433,7 @@ end
%
% Assorted special characters.
% (The following {} will end up in the sort string, but that's ok.)
+ \def\arrow{->}%
\def\bullet{bullet}%
\def\comma{,}%
\def\copyright{copyright}%
@@ -4428,10 +4443,12 @@ end
\def\error{error}%
\def\euro{euro}%
\def\expansion{==>}%
+ \def\geq{>=}%
\def\guillemetleft{<<}%
\def\guillemetright{>>}%
\def\guilsinglleft{<}%
\def\guilsinglright{>}%
+ \def\leq{<=}%
\def\minus{-}%
\def\point{.}%
\def\pounds{pounds}%
@@ -7452,7 +7469,8 @@ end
\angleleft un\-de\-fined\angleright
\iflinks
\ifhavexrefs
- \message{\linenumber Undefined cross reference `#1'.}%
+ {\toks0 = {#1}% avoid expansion of possibly-complex value
+ \message{\linenumber Undefined cross reference `\the\toks0'.}}%
\else
\ifwarnedxrefs\else
\global\warnedxrefstrue
@@ -8434,8 +8452,8 @@ directory should work if nowhere else does.}
\gdef^^ea{\ogonek{e}}
\gdef^^eb{\"e}
\gdef^^ec{\v e}
- \gdef^^ed{\'\i}
- \gdef^^ee{\^\i}
+ \gdef^^ed{\'{\dotless{i}}}
+ \gdef^^ee{\^{\dotless{i}}}
\gdef^^ef{\v d}
%
\gdef^^f0{\dh}
diff --git a/cfg.mk b/cfg.mk
index 7ba8e04..dc22ea4 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -68,6 +68,7 @@ gnulib-update:
cp $(gnulib_dir)/doc/gnu-oids.texi $(srcdir)/doc
cp $(gnulib_dir)/doc/make-stds.texi $(srcdir)/doc
cp $(gnulib_dir)/doc/standards.texi $(srcdir)/doc
+ cp $(gnulib_dir)/m4/autobuild.m4 $(srcdir)/m4
cp $(gnulib_dir)/top/GNUmakefile $(srcdir)
WGET = wget
diff --git a/configure.ac b/configure.ac
index 5718a24..669b1c8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,8 @@ AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([1.11 dist-bzip2 dist-xz
readme-alpha no-texinfo.tex std-options])
+AB_INIT
+
# We use `/bin/sh -n script' to check that there are no syntax errors
# in the scripts. Although incredible, there are /bin/sh that go into
# endless loops with `-n', e.g., SunOS's:
diff --git a/doc/fdl.texi b/doc/fdl.texi
index 8805f1a..fc19ddd 100644
--- a/doc/fdl.texi
+++ b/doc/fdl.texi
@@ -92,16 +92,16 @@ An image format is not Transparent if used for any
substantial amount
of text. A copy that is not ``Transparent'' is called ``Opaque''.
Examples of suitable formats for Transparent copies include plain
address@hidden without markup, Texinfo input format, address@hidden input
-format, @acronym{SGML} or @acronym{XML} using a publicly available
address@hidden, and standard-conforming simple @acronym{HTML},
-PostScript or @acronym{PDF} designed for human modification. Examples
-of transparent image formats include @acronym{PNG}, @acronym{XCF} and
address@hidden Opaque formats include proprietary formats that can be
-read and edited only by proprietary word processors, @acronym{SGML} or
address@hidden for which the @acronym{DTD} and/or processing tools are
-not generally available, and the machine-generated @acronym{HTML},
-PostScript or @acronym{PDF} produced by some word processors for
+ASCII without markup, Texinfo input format, address@hidden input
+format, SGML or XML using a publicly available
+DTD, and standard-conforming simple HTML,
+PostScript or PDF designed for human modification. Examples
+of transparent image formats include PNG, XCF and
+JPG. Opaque formats include proprietary formats that can be
+read and edited only by proprietary word processors, SGML or
+XML for which the DTD and/or processing tools are
+not generally available, and the machine-generated HTML,
+PostScript or PDF produced by some word processors for
output purposes only.
The ``Title Page'' means, for a printed book, the title page itself,
diff --git a/doc/gnu-oids.texi b/doc/gnu-oids.texi
index da9146c..85386e7 100644
--- a/doc/gnu-oids.texi
+++ b/doc/gnu-oids.texi
@@ -32,6 +32,9 @@
@c Added 2010-05-17 on request from Eric Blossom <address@hidden>
1.3.6.1.4.1.11591.7 GNU Radio
address@hidden Added 2010-07-02 on request from Sergey Poznyakoff
<address@hidden>
+1.3.6.1.4.1.11591.8 GNU Dico
+
1.3.6.1.4.1.11591.12 digestAlgorithm
1.3.6.1.4.1.11591.12.2 TIGER/192
1.3.6.1.4.1.11591.13 encryptionAlgorithm
diff --git a/doc/make-stds.texi b/doc/make-stds.texi
index 7cc9537..6c83b5d 100644
--- a/doc/make-stds.texi
+++ b/doc/make-stds.texi
@@ -943,11 +943,12 @@ foo.dvi: foo.texi chap1.texi chap2.texi
@end smallexample
@noindent
-You must define the variable @code{TEXI2DVI} in the Makefile. It should
-run the program @code{texi2dvi}, which is part of the Texinfo
address@hidden@code{texi2dvi} uses @TeX{} to do the real work
-of formatting. @TeX{} is not distributed with Texinfo.} Alternatively,
-write just the dependencies, and allow GNU @code{make} to provide the command.
+You must define the variable @code{TEXI2DVI} in the Makefile. It
+should run the program @code{texi2dvi}, which is part of the Texinfo
+distribution. (@code{texi2dvi} uses @TeX{} to do the real work of
+formatting. @TeX{} is not distributed with Texinfo.) Alternatively,
+write only the dependencies, and allow GNU @code{make} to provide the
+command.
Here's another example, this one for generating HTML from Texinfo:
diff --git a/doc/standards.texi b/doc/standards.texi
index 4b1c03d..99d76f0 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 April 12, 2010
address@hidden lastupdate September 9, 2010
@c %**end of header
@dircategory GNU organization
@@ -543,6 +543,7 @@ command line interface, and how libraries should behave.
* User Interfaces:: Standards about interfaces generally.
* Graphical Interfaces:: Standards for graphical interfaces.
* Command-Line Interfaces:: Standards for command line interfaces.
+* Dynamic Plug-In Interfaces:: Standards for dynamic plug-in interfaces.
* Option Table:: Table of long options.
* OID Allocations:: Table of OID slots for GNU.
* Memory Usage:: When and how to care about memory needs.
@@ -1122,6 +1123,44 @@ General help using GNU software:
<http://www.gnu.org/gethelp/>
It is ok to mention other appropriate mailing lists and web pages.
address@hidden Dynamic Plug-In Interfaces
address@hidden Standards for Dynamic Plug-in Interfaces
address@hidden plug-ins
address@hidden dynamic plug-ins
+
+Another aspect of keeping free programs free is encouraging
+development of free plug-ins, and discouraging development of
+proprietary plug-ins. Many GNU programs will not have anything like
+plug-ins at all, but those that do should follow these
+practices.
+
+First, the general plug-in architecture design should closely tie the
+plug-in to the original code, such that the plug-in and the base
+program are parts of one extended program. For GCC, for example,
+plug-ins receive and modify GCC's internal data structures, and so
+clearly form an extended program with the base GCC.
+
address@hidden plugin_is_GPL_compatible
+Second, you should require plug-in developers to affirm that their
+plug-ins are released under an appropriate license. This should be
+enforced with a simple programmatic check. For GCC, again for
+example, a plug-in must define the global symbol
address@hidden, thus asserting that the plug-in is
+released under a GPL-compatible license (@pxref{Plugins,, Plugins,
+gccint, GCC Internals}).
+
+By adding this check to your program you are not creating a new legal
+requirement. The GPL itself requires plug-ins to be free software,
+licensed compatibly. As long as you have followed the first rule above
+to keep plug-ins closely tied to your original program, the GPL and AGPL
+already require those plug-ins to be released under a compatible
+license. The symbol definition in the plug-in---or whatever equivalent
+works best in your program---makes it harder for anyone who might
+distribute proprietary plug-ins to legally defend themselves. If a case
+about this got to court, we can point to that symbol as evidence that
+the plug-in developer understood that the license had this requirement.
+
+
@node Option Table
@section Table of Long Options
@cindex long option names
@@ -2283,6 +2322,13 @@ files that are bigger than will fit in memory all at
once.
If your program creates complicated data structures, just make them in
memory and give a fatal error if @code{malloc} returns zero.
address@hidden valgrind
address@hidden memory leak
+Memory leak detectors such as @command{valgrind} can be useful, but
+don't complicate a program merely to avoid their false alarms. For
+example, if memory is used until just before a process exits, don't
+free it simply to silence a leak detector.
+
@node File Usage
@section File Usage
@cindex file usage
@@ -2591,6 +2637,17 @@ warnings for valid and legitimate code which they do not
want to change.
If you want to do this, then do. The compiler should be your servant,
not your master.
address@hidden clang
address@hidden lint
+Don't make the program ugly just to placate static analysis tools such
+as @command{lint}, @command{clang}, and GCC with extra warnings
+options such as @option{-Wconversion} and @option{-Wundef}. These
+tools can help find bugs and unclear code, but they can also generate
+so many false alarms that that it hurts readability to silence them
+with unnecessary casts, wrappers, and other complications. For
+example, please don't insert casts to @code{void} or calls to
+do-nothing functions merely to pacify a lint checker.
+
Declarations of external functions and functions to appear later in the
source file should all go in one place near the beginning of the file
(somewhere before the first function definition in the file), or else
@@ -2608,6 +2665,7 @@ declaration of each local variable into the smallest
scope that includes
all its uses. This makes the program even cleaner.
Don't use local variables or parameters that shadow global identifiers.
+GCC's @samp{-Wshadow} option can detect this problem.
@cindex multiple variables in a line
Don't declare multiple variables in one declaration that spans lines.
@@ -2711,10 +2769,9 @@ if (foo == 0)
fatal ("virtual memory exhausted");
@end example
address@hidden lint
-Don't make the program ugly to placate @code{lint}. Please don't insert any
-casts to @code{void}. Zero without a cast is perfectly fine as a null
-pointer constant, except when calling a varargs function.
+This example uses zero without a cast as a null pointer constant.
+This is perfectly fine, except that a cast is needed when calling a
+varargs function or when using @code{sizeof}.
@node Names
@section Naming Variables, Functions, and Files
@@ -4191,7 +4248,7 @@ documentation.
By contrast, it is ok to refer to journal articles and textbooks in
the comments of a program for explanation of how it functions, even
though they are non-free. This is because we don't include such
-things in the GNU system even they are free---they are outside the
+things in the GNU system even if they are free---they are outside the
scope of what a software distribution needs to include.
Referring to a web site that describes or recommends a non-free
diff --git a/m4/autobuild.m4 b/m4/autobuild.m4
new file mode 100644
index 0000000..93ccb54
--- /dev/null
+++ b/m4/autobuild.m4
@@ -0,0 +1,40 @@
+# autobuild.m4 serial 7
+dnl Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+dnl 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 From Simon Josefsson
+
+# Usage: AB_INIT([MODE]).
+AC_DEFUN([AB_INIT],
+[
+ AC_REQUIRE([AC_CANONICAL_BUILD])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+
+ if test -z "$AB_PACKAGE"; then
+ AB_PACKAGE=${PACKAGE_NAME:-$PACKAGE}
+ fi
+ AC_MSG_NOTICE([autobuild project... $AB_PACKAGE])
+
+ if test -z "$AB_VERSION"; then
+ AB_VERSION=${PACKAGE_VERSION:-$VERSION}
+ fi
+ AC_MSG_NOTICE([autobuild revision... $AB_VERSION])
+
+ hostname=`hostname`
+ if test "$hostname"; then
+ AC_MSG_NOTICE([autobuild hostname... $hostname])
+ fi
+
+ ifelse([$1],[],,[AC_MSG_NOTICE([autobuild mode... $1])])
+
+ date=`TZ=UTC0 date +%Y%m%dT%H%M%SZ`
+ if test "$?" != 0; then
+ date=`date`
+ fi
+ if test "$date"; then
+ AC_MSG_NOTICE([autobuild timestamp... $date])
+ fi
+])
hooks/post-receive
--
GNU Autoconf source repository
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