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Current File : //bin/autoreconf
#! /usr/bin/perl -w
# -*- perl -*-
# Generated from autoreconf.in; do not edit by hand.
eval 'case $# in 0) exec /usr/bin/perl -S "$0";; *) exec /usr/bin/perl -S "$0" "$@";; esac'
if 0;
# autoreconf - install the GNU Build System in a directory tree
# Copyright (C) 1994, 1999-2012 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
# 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.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Written by David J. MacKenzie.
# Extended and rewritten in Perl by Akim Demaille.
BEGIN
{
my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '/usr/share/autoconf';
unshift @INC, $pkgdatadir;
# Override SHELL. On DJGPP SHELL may not be set to a shell
# that can handle redirection and quote arguments correctly,
# e.g.: COMMAND.COM. For DJGPP always use the shell that configure
# has detected.
$ENV{'SHELL'} = '/bin/sh' if ($^O eq 'dos');
}
use Autom4te::ChannelDefs;
use Autom4te::Channels;
use Autom4te::Configure_ac;
use Autom4te::FileUtils;
use Autom4te::General;
use Autom4te::XFile;
# Do not use Cwd::chdir, since it might hang.
use Cwd 'cwd';
use strict;
## ----------- ##
## Variables. ##
## ----------- ##
# $HELP
# -----
$help = "Usage: $0 [OPTION]... [DIRECTORY]...
Run `autoconf' (and `autoheader', `aclocal', `automake', `autopoint'
(formerly `gettextize'), and `libtoolize' where appropriate)
repeatedly to remake the GNU Build System files in specified
DIRECTORIES and their subdirectories (defaulting to `.').
By default, it only remakes those files that are older than their
sources. If you install new versions of the GNU Build System,
you can make `autoreconf' remake all of the files by giving it the
`--force' option.
Operation modes:
-h, --help print this help, then exit
-V, --version print version number, then exit
-v, --verbose verbosely report processing
-d, --debug don't remove temporary files
-f, --force consider all files obsolete
-i, --install copy missing auxiliary files
--no-recursive don't rebuild sub-packages
-s, --symlink with -i, install symbolic links instead of copies
-m, --make when applicable, re-run ./configure && make
-W, --warnings=CATEGORY report the warnings falling in CATEGORY [syntax]
" . Autom4te::ChannelDefs::usage . "
The environment variable \`WARNINGS\' is honored. Some subtools might
support other warning types, using \`all' is encouraged.
Library directories:
-B, --prepend-include=DIR prepend directory DIR to search path
-I, --include=DIR append directory DIR to search path
The environment variables AUTOM4TE, AUTOCONF, AUTOHEADER, AUTOMAKE,
ACLOCAL, AUTOPOINT, LIBTOOLIZE, M4, and MAKE are honored.
Report bugs to <bug-autoconf\@gnu.org>.
GNU Autoconf home page: <http://www.gnu.org/software/autoconf/>.
General help using GNU software: <http://www.gnu.org/gethelp/>.
";
# $VERSION
# --------
$version = "autoreconf (GNU Autoconf) 2.69
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+/Autoconf: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>, <http://gnu.org/licenses/exceptions.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by David J. MacKenzie and Akim Demaille.
";
# Lib files.
my $autoconf = $ENV{'AUTOCONF'} || '/usr/bin/autoconf';
my $autoheader = $ENV{'AUTOHEADER'} || '/usr/bin/autoheader';
my $autom4te = $ENV{'AUTOM4TE'} || '/usr/bin/autom4te';
my $automake = $ENV{'AUTOMAKE'} || 'automake';
my $aclocal = $ENV{'ACLOCAL'} || 'aclocal';
my $libtoolize = $ENV{'LIBTOOLIZE'} || 'libtoolize';
my $autopoint = $ENV{'AUTOPOINT'} || 'autopoint';
my $make = $ENV{'MAKE'} || 'make';
# --install -- as --add-missing in other tools.
my $install = 0;
# symlink -- when --install, use symlinks instead.
my $symlink = 0;
# Does aclocal support --force?
my $aclocal_supports_force = 0;
# Does aclocal support -Wfoo?
my $aclocal_supports_warnings = 0;
# Does automake support --force-missing?
my $automake_supports_force_missing = 0;
# Does automake support -Wfoo?
my $automake_supports_warnings = 0;
my @prepend_include;
my @include;
# List of command line warning requests.
my @warning;
# Rerun `./configure && make'?
my $run_make = 0;
# Recurse into subpackages
my $recursive = 1;
## ---------- ##
## Routines. ##
## ---------- ##
# parse_args ()
# -------------
# Process any command line arguments.
sub parse_args ()
{
my $srcdir;
getopt ("W|warnings=s" => \@warning,
'I|include=s' => \@include,
'B|prepend-include=s' => \@prepend_include,
'i|install' => \$install,
's|symlink' => \$symlink,
'm|make' => \$run_make,
'recursive!' => \$recursive);
# Split the warnings as a list of elements instead of a list of
# lists.
@warning = map { split /,/ } @warning;
parse_WARNINGS;
parse_warnings '--warnings', @warning;
# Even if the user specified a configure.ac, trim to get the
# directory, and look for configure.ac again. Because (i) the code
# is simpler, and (ii) we are still able to diagnose simultaneous
# presence of configure.ac and configure.in.
@ARGV = map { /configure\.(ac|in)$/ ? dirname ($_) : $_ } @ARGV;
push @ARGV, '.' unless @ARGV;
if ($verbose && $debug)
{
for my $prog ($autoconf, $autoheader,
$automake, $aclocal,
$autopoint,
$libtoolize)
{
xsystem ("$prog --version | sed 1q >&2");
print STDERR "\n";
}
}
my $aclocal_help = `$aclocal --help 2>/dev/null`;
my $automake_help = `$automake --help 2>/dev/null`;
$aclocal_supports_force = $aclocal_help =~ /--force/;
$aclocal_supports_warnings = $aclocal_help =~ /--warnings/;
$automake_supports_force_missing = $automake_help =~ /--force-missing/;
$automake_supports_warnings = $automake_help =~ /--warnings/;
# Dispatch autoreconf's option to the tools.
# --include;
$aclocal .= join (' -I ', '', map { shell_quote ($_) } @include);
$autoconf .= join (' --include=', '', map { shell_quote ($_) } @include);
$autoconf .= join (' --prepend-include=', '', map { shell_quote ($_) } @prepend_include);
$autoheader .= join (' --include=', '', map { shell_quote ($_) } @include);
$autoheader .= join (' --prepend-include=', '', map { shell_quote ($_) } @prepend_include);
# --install and --symlink;
if ($install)
{
$automake .= ' --add-missing';
$automake .= ' --copy' unless $symlink;
$libtoolize .= ' --copy' unless $symlink;
}
# --force;
if ($force)
{
$aclocal .= ' --force'
if $aclocal_supports_force;
$autoconf .= ' --force';
$autoheader .= ' --force';
$automake .= ' --force-missing'
if $automake_supports_force_missing;
$autopoint .= ' --force';
$libtoolize .= ' --force';
}
else
{
# The implementation of --no-force is bogus in all implementations
# of Automake up to 1.8, so we avoid it in these cases. (Automake
# 1.8 is the first version where aclocal supports force, hence
# the condition.)
$automake .= ' --no-force'
if $aclocal_supports_force;
}
# --verbose --verbose or --debug;
if ($verbose > 1 || $debug)
{
$autoconf .= ' --verbose';
$autoheader .= ' --verbose';
$automake .= ' --verbose';
$aclocal .= ' --verbose';
}
if ($debug)
{
$autoconf .= ' --debug';
$autoheader .= ' --debug';
$libtoolize .= ' --debug';
}
# --warnings;
if (@warning)
{
my $warn = ' --warnings=' . join (',', @warning);
$autoconf .= $warn;
$autoheader .= $warn;
$automake .= $warn
if $automake_supports_warnings;
$aclocal .= $warn
if $aclocal_supports_warnings;
}
}
# &run_aclocal ($ACLOCAL, $FLAGS)
# -------------------------------
# Update aclocal.m4 as lazily as possible, as aclocal pre-1.8 always
# overwrites aclocal.m4, hence triggers autoconf, autoheader, automake
# etc. uselessly. aclocal 1.8+ does not need this.
sub run_aclocal ($$)
{
my ($aclocal, $flags) = @_;
# aclocal 1.8+ does all this for free. It can be recognized by its
# --force support.
if ($aclocal_supports_force)
{
xsystem ("$aclocal $flags");
}
else
{
xsystem ("$aclocal $flags --output=aclocal.m4t");
# aclocal may produce no output.
if (-f 'aclocal.m4t')
{
update_file ('aclocal.m4t', 'aclocal.m4');
# Make sure that the local m4 files are older than
# aclocal.m4.
#
# Why is not always the case? Because we already run
# aclocal at first (before tracing), which, for instance,
# can find Gettext's macros in .../share/aclocal, so we may
# have had the right aclocal.m4 already. Then autopoint is
# run, and installs locally these M4 files. Then
# autoreconf, via update_file, sees it is the _same_
# aclocal.m4, and doesn't change its timestamp. But later,
# Automake's Makefile expresses that aclocal.m4 depends on
# these local files, which are newer, so it triggers aclocal
# again.
#
# To make sure aclocal.m4 is no older, we change the
# modification times of the local M4 files to be not newer
# than it.
#
# First, where are the local files?
my $aclocal_local_dir = '.';
if ($flags =~ /-I\s+(\S+)/)
{
$aclocal_local_dir = $1;
}
# All the local files newer than aclocal.m4 are to be
# made not newer than it.
my $aclocal_m4_mtime = mtime ('aclocal.m4');
for my $file (glob ("$aclocal_local_dir/*.m4"), 'acinclude.m4')
{
if ($aclocal_m4_mtime < mtime ($file))
{
debug "aging $file to be not newer than aclocal.m4";
utime $aclocal_m4_mtime, $aclocal_m4_mtime, $file;
}
}
}
}
}
# &autoreconf_current_directory
# -----------------------------
sub autoreconf_current_directory ()
{
my $configure_ac = find_configure_ac;
# ---------------------- #
# Is it using Autoconf? #
# ---------------------- #
my $uses_autoconf;
my $uses_gettext;
if (-f $configure_ac)
{
my $configure_ac_file = new Autom4te::XFile "< $configure_ac";
while ($_ = $configure_ac_file->getline)
{
s/#.*//;
s/dnl.*//;
$uses_autoconf = 1 if /AC_INIT/;
# See below for why we look for gettext here.
$uses_gettext = 1 if /^AM_GNU_GETTEXT_VERSION/;
}
}
if (!$uses_autoconf)
{
verb "$configure_ac: not using Autoconf";
return;
}
# ------------------- #
# Running autopoint. #
# ------------------- #
# Gettext is a bit of a problem: its macros are not necessarily
# visible to aclocal, so if we start with a completely striped down
# package (think of a fresh CVS checkout), running `aclocal' first
# will fail: the Gettext macros are missing.
#
# Therefore, we can't use the traces to decide if we use Gettext or
# not. I guess that once Gettext move to 2.5x we will be able to,
# but in the meanwhile forget it.
#
# We can only grep for AM_GNU_GETTEXT_VERSION in configure.ac. You
# might think this approach is naive, and indeed it is, as it
# prevents one to embed AM_GNU_GETTEXT_VERSION in another *.m4, but
# anyway we don't limit the generality, since... that's what
# autopoint does. Actually, it is even more restrictive, as it
# greps for `^AM_GNU_GETTEXT_VERSION('. We did this above, while
# scanning configure.ac.
if (!$uses_gettext)
{
verb "$configure_ac: not using Gettext";
}
elsif (!$install)
{
verb "$configure_ac: not running autopoint: --install not given";
}
else
{
xsystem_hint ("autopoint is needed because this package uses Gettext", "$autopoint");
}
# ----------------- #
# Running aclocal. #
# ----------------- #
# Run it first: it might discover new macros to add, e.g.,
# AC_PROG_LIBTOOL, which we will trace later to see if Libtool is
# used.
#
# Always run it. Tracking its sources for up-to-dateness is too
# complex and too error prone. The best we can do is avoiding
# nuking the time stamp.
my $uses_aclocal = 1;
# Nevertheless, if aclocal.m4 exists and is not made by aclocal,
# don't run aclocal.
if (-f 'aclocal.m4')
{
my $aclocal_m4 = new Autom4te::XFile 'aclocal.m4';
$_ = $aclocal_m4->getline;
$uses_aclocal = 0
unless defined ($_) && /generated.*by aclocal/;
}
# If there are flags for aclocal in Makefile.am, use them.
my $aclocal_flags = '';
if ($uses_aclocal && -f 'Makefile.am')
{
my $makefile = new Autom4te::XFile 'Makefile.am';
while ($_ = $makefile->getline)
{
if (/^ACLOCAL_[A-Z_]*FLAGS\s*=\s*(.*)/)
{
$aclocal_flags = $1;
last;
}
}
}
if (!$uses_aclocal)
{
verb "$configure_ac: not using aclocal";
}
else
{
# Some file systems have sub-second time stamps, and if so we may
# run into trouble later, after we rerun autoconf and set the
# time stamps of input files to be no greater than aclocal.m4,
# because the time-stamp-setting operation (utime) has a
# resolution of only 1 second. Work around the problem by
# ensuring that there is at least a one-second window before the
# time stamp of aclocal.m4t in which no file time stamps can
# fall.
sleep 1;
run_aclocal ($aclocal, $aclocal_flags);
}
# We might have to rerun aclocal if Libtool (or others) imports new
# macros.
my $rerun_aclocal = 0;
# ------------------------------- #
# See what tools will be needed. #
# ------------------------------- #
# Perform a single trace reading to avoid --force forcing a rerun
# between two --trace, that's useless. If there is no AC_INIT, then
# we are not interested: it looks like a Cygnus thingy.
my $aux_dir;
my $uses_gettext_via_traces;
my $uses_libtool;
my $uses_libltdl;
my $uses_autoheader;
my $uses_automake;
my @subdir;
verb "$configure_ac: tracing";
my $traces = new Autom4te::XFile
("$autoconf"
. join (' ',
map { ' --trace=' . $_ . ':\$n::\${::}%' }
# If you change this list, update the
# `Autoreconf-preselections' section of autom4te.in.
'AC_CONFIG_AUX_DIR',
'AC_CONFIG_HEADERS',
'AC_CONFIG_SUBDIRS',
'AC_INIT',
'AC_PROG_LIBTOOL',
'LT_INIT',
'LT_CONFIG_LTDL_DIR',
'AM_GNU_GETTEXT',
'AM_INIT_AUTOMAKE',
)
. ' |');
while ($_ = $traces->getline)
{
chomp;
my ($macro, @args) = split (/::/);
$aux_dir = $args[0] if $macro eq "AC_CONFIG_AUX_DIR";
$uses_autoconf = 1 if $macro eq "AC_INIT";
$uses_gettext_via_traces = 1 if $macro eq "AM_GNU_GETTEXT";
$uses_libtool = 1 if $macro eq "AC_PROG_LIBTOOL"
|| $macro eq "LT_INIT";
$uses_libltdl = 1 if $macro eq "LT_CONFIG_LTDL_DIR";
$uses_autoheader = 1 if $macro eq "AC_CONFIG_HEADERS";
$uses_automake = 1 if $macro eq "AM_INIT_AUTOMAKE";
push @subdir, split (' ', $args[0])
if $macro eq "AC_CONFIG_SUBDIRS" && $recursive;
}
# The subdirs are *optional*, they may not exist.
foreach (@subdir)
{
if (-d)
{
verb "$configure_ac: adding subdirectory $_ to autoreconf";
autoreconf ($_);
}
else
{
verb "$configure_ac: subdirectory $_ not present";
}
}
# Gettext consistency checks...
error "$configure_ac: AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION"
if $uses_gettext_via_traces && ! $uses_gettext;
error "$configure_ac: AM_GNU_GETTEXT_VERSION is used, but not AM_GNU_GETTEXT"
if $uses_gettext && ! $uses_gettext_via_traces;
# ---------------------------- #
# Setting up the source tree. #
# ---------------------------- #
# libtoolize, automake --add-missing etc. will drop files in the
# $AUX_DIR. But these tools fail to install these files if the
# directory itself does not exist, which valid: just imagine a CVS
# repository with hand written code only (there is not even a need
# for a Makefile.am!).
if (defined $aux_dir && ! -d $aux_dir)
{
verb "$configure_ac: creating directory $aux_dir";
mkdir $aux_dir, 0755
or error "cannot create $aux_dir: $!";
}
# -------------------- #
# Running libtoolize. #
# -------------------- #
if (!$uses_libtool)
{
verb "$configure_ac: not using Libtool";
}
elsif ($install)
{
if ($uses_libltdl)
{
$libtoolize .= " --ltdl";
}
xsystem_hint ("libtoolize is needed because this package uses Libtool", $libtoolize);
$rerun_aclocal = 1;
}
else
{
verb "$configure_ac: not running libtoolize: --install not given";
}
# ------------------- #
# Rerunning aclocal. #
# ------------------- #
# If we re-installed Libtool or Gettext, the macros might have changed.
# Automake also needs an up-to-date aclocal.m4.
if ($rerun_aclocal)
{
if (!$uses_aclocal)
{
verb "$configure_ac: not using aclocal";
}
else
{
run_aclocal ($aclocal, $aclocal_flags);
}
}
# ------------------ #
# Running autoconf. #
# ------------------ #
# Don't try to be smarter than `autoconf', which does its own up to
# date checks.
#
# We prefer running autoconf before autoheader, because (i) the
# latter runs the former, and (ii) autoconf is stricter than
# autoheader. So all in all, autoconf should give better error
# messages.
xsystem ($autoconf);
# -------------------- #
# Running autoheader. #
# -------------------- #
# We now consider that if AC_CONFIG_HEADERS is used, then autoheader
# is used too.
#
# Just as for autoconf, up to date ness is performed by the tool
# itself.
#
# Run it before automake, since the latter checks the presence of
# config.h.in when it sees an AC_CONFIG_HEADERS.
if (!$uses_autoheader)
{
verb "$configure_ac: not using Autoheader";
}
else
{
xsystem ($autoheader);
}
# ------------------ #
# Running automake. #
# ------------------ #
if (!$uses_automake)
{
verb "$configure_ac: not using Automake";
}
else
{
# We should always run automake, and let it decide whether it shall
# update the file or not. In fact, the effect of `$force' is already
# included in `$automake' via `--no-force'.
xsystem ($automake);
}
# -------------- #
# Running make. #
# -------------- #
if ($run_make)
{
if (!-f "config.status")
{
verb "no config.status: cannot re-make";
}
else
{
xsystem ("./config.status --recheck");
xsystem ("./config.status");
if (!-f "Makefile")
{
verb "no Makefile: cannot re-make";
}
else
{
xsystem ("$make");
}
}
}
}
# &autoreconf ($DIRECTORY)
# ------------------------
# Reconf the $DIRECTORY.
sub autoreconf ($)
{
my ($directory) = @_;
my $cwd = cwd;
# The format for this message is not free: taken from Emacs, itself
# using GNU Make's format.
verb "Entering directory `$directory'";
chdir $directory
or error "cannot chdir to $directory: $!";
autoreconf_current_directory;
# The format is not free: taken from Emacs, itself using GNU Make's
# format.
verb "Leaving directory `$directory'";
chdir $cwd
or error "cannot chdir to $cwd: $!";
}
## ------ ##
## Main. ##
## ------ ##
# When debugging, it is convenient that all the related temporary
# files be at the same place.
mktmpdir ('ar');
$ENV{'TMPDIR'} = $tmp;
parse_args;
# Autoreconf all the given configure.ac. Unless `--no-recursive' is passed,
# AC_CONFIG_SUBDIRS will be traversed in &autoreconf_current_directory.
$ENV{'AUTOM4TE'} = $autom4te;
for my $directory (@ARGV)
{
require_configure_ac ($directory);
autoreconf ($directory);
}
### Setup "GNU" style for perl-mode and cperl-mode.
## Local Variables:
## perl-indent-level: 2
## perl-continued-statement-offset: 2
## perl-continued-brace-offset: 0
## perl-brace-offset: 0
## perl-brace-imaginary-offset: 0
## perl-label-offset: -2
## cperl-indent-level: 2
## cperl-brace-offset: 0
## cperl-continued-brace-offset: 0
## cperl-label-offset: -2
## cperl-extra-newline-before-brace: t
## cperl-merge-trailing-else: nil
## cperl-continued-statement-offset: 2
## End:
