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mysql-admtools/bin/aclocal

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#!/usr/bin/perl
# -*- perl -*-
# Generated from aclocal.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;
# aclocal - create aclocal.m4 by scanning configure.ac
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
# 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 2, 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# Written by Tom Tromey <tromey@redhat.com>.
BEGIN
{
my $perllibdir = $ENV{'perllibdir'} || '/usr/local/share/automake19';
unshift @INC, (split ':', $perllibdir);
}
use Automake::Config;
use Automake::General;
use Automake::Configure_ac;
use Automake::Channels;
use Automake::XFile;
use Automake::FileUtils;
use File::Basename;
use File::stat;
use Cwd;
# Note that this isn't pkgdatadir, but a separate directory.
# Note also that the versioned directory is handled later.
$acdir = '/usr/local/share/aclocal19';
$default_acdir = $acdir;
$acdir_x11 = '/usr/X11R6/share/aclocal';
# contains a list of directories, one per line, to be added
# to the dirlist in addition to $acdir, as if -I had been
# added to the command line. If acdir has been redirected,
# we will also check the specified acdir (this is done later).
$default_dirlist = "$default_acdir/dirlist";
# Some globals.
# configure.ac or configure.in.
my $configure_ac;
# Output file name.
$output_file = 'aclocal.m4';
# Modification time of the youngest dependency.
$greatest_mtime = 0;
# Option --force.
$force_output = 0;
# Which macros have been seen.
%macro_seen = ();
# Which files have been seen.
%file_seen = ();
# Remember the order into which we scanned the files.
# It's important to output the contents of aclocal.m4 in the opposite order.
# (Definitions in first files we have scanned should override those from
# later files. So they must appear last in the output.)
@file_order = ();
# Map macro names to file names.
%map = ();
# Ditto, but records the last definition of each macro as returned by --trace.
%map_traced_defs = ();
# Map file names to file contents.
%file_contents = ();
# Map file names to included files (transitively closed).
%file_includes = ();
# How much to say.
$verbose = 0;
# Matches a macro definition.
# AC_DEFUN([macroname], ...)
# or
# AC_DEFUN(macroname, ...)
# When macroname is `['-quoted , we accept any character in the name,
# except `]'. Otherwise macroname stops on the first `]', `,', `)',
# or `\n' encountered.
$ac_defun_rx =
"(?:AU_ALIAS|A[CU]_DEFUN|AC_DEFUN_ONCE)\\((?:\\[([^]]+)\\]|([^],)\n]+))";
# Matches an AC_REQUIRE line.
$ac_require_rx = "AC_REQUIRE\\((?:\\[([^]]+)\\]|([^],)\n]+))\\)";
# Matches an m4_include line
$m4_include_rx = "(?:m4_)?s?include\\((?:\\[([^]]+)\\]|([^],)\n]+))\\)";
################################################################
# Check macros in acinclude.m4. If one is not used, warn.
sub check_acinclude ()
{
foreach my $key (keys %map)
{
# FIXME: should print line number of acinclude.m4.
warn ("aclocal: warning: macro `$key' defined in "
. "acinclude.m4 but never used\n")
if $map{$key} eq 'acinclude.m4' && ! $macro_seen{$key};
}
}
################################################################
# Scan all the installed m4 files and construct a map.
sub scan_m4_files (@)
{
local (@dirlist) = @_;
# First, scan configure.ac. It may contain macro definitions,
# or may include other files that define macros.
&scan_file ($configure_ac, 'aclocal');
# Then, scan acinclude.m4 if it exists.
if (-f 'acinclude.m4')
{
&scan_file ('acinclude.m4', 'aclocal');
}
# Finally, scan all files in our search path.
local ($m4dir);
foreach $m4dir (@dirlist)
{
if (! opendir (DIR, $m4dir))
{
print STDERR "aclocal: couldn't open directory `$m4dir': $!\n";
exit 1;
}
local ($file, $fullfile);
# We reverse the directory contents so that foo2.m4 gets
# used in preference to foo1.m4.
foreach $file (reverse sort grep (! /^\./, readdir (DIR)))
{
# Only examine .m4 files.
next unless $file =~ /\.m4$/;
# Skip some files when running out of srcdir.
next if $file eq 'aclocal.m4';
$fullfile = File::Spec->canonpath ("$m4dir/$file");
&scan_file ($fullfile, 'aclocal');
}
closedir (DIR);
}
# Construct a new function that does the searching. We use a
# function (instead of just evaluating $search in the loop) so that
# "die" is correctly and easily propagated if run.
my $search = "sub search {\nmy \$found = 0;\n";
foreach my $key (reverse sort keys %map)
{
$search .= ('if (/\b\Q' . $key . '\E(?!\w)/) { & add_macro ("' . $key
. '"); $found = 1; }' . "\n");
}
$search .= "return \$found;\n};\n";
eval $search;
die "internal error: $@\n search is $search" if $@;
}
################################################################
# Add a macro to the output.
sub add_macro ($)
{
local ($macro) = @_;
# Ignore unknown required macros. Either they are not really
# needed (e.g., a conditional AC_REQUIRE), in which case aclocal
# should be quiet, or they are needed and Autoconf itself will
# complain when we trace for macro usage later.
return unless defined $map{$macro};
print STDERR "aclocal: saw macro $macro\n" if $verbose;
$macro_seen{$macro} = 1;
&add_file ($map{$macro});
}
# rel2abs ($file, $directory)
# ---------------------------
# Similar to File::Spec->rel2abs ($file, $directory), but
# work with Perl 5.005. (File::Spec->rel2abs is available
# only in Perl 5.6.)
# Remove this once we require 5.6.
sub rel2abs ($$)
{
my ($file, $dir) = @_;
if (! File::Spec->file_name_is_absolute ($file))
{
$dir = cwd () . "/$dir"
unless File::Spec->file_name_is_absolute ($dir);
$file = "$dir/$file";
}
$file = File::Spec->canonpath ($file);
return $file;
}
# scan_configure_dep ($file)
# --------------------------
# Scan a configure dependency (configure.ac, or separate m4 files)
# for uses of know macros and AC_REQUIREs of possibly unknown macros.
# Recursively scan m4_included files.
my %scanned_configure_dep = ();
sub scan_configure_dep ($)
{
my ($file) = @_;
# Do not scan a file twice.
return ()
if exists $scanned_configure_dep{$file};
$scanned_configure_dep{$file} = 1;
my $mtime = mtime $file;
$greatest_mtime = $mtime if $greatest_mtime < $mtime;
my $contents = exists $file_contents{$file} ?
$file_contents{$file} : contents $file;
my $line = 0;
my @rlist = ();
my @ilist = ();
foreach (split ("\n", $contents))
{
++$line;
# Remove comments from current line.
s/\bdnl\b.*$//;
s/\#.*$//;
while (/$m4_include_rx/go)
{
push (@ilist, $1 || $2);
}
while (/$ac_require_rx/go)
{
push (@rlist, $1 || $2);
}
# The search function is constructed dynamically by
# scan_m4_files. The last parenthetical match makes sure we
# don't match things that look like macro assignments or
# AC_SUBSTs.
if (! &search && /(^|\s+)(AM_[A-Z0-9_]+)($|[^\]\)=A-Z0-9_])/)
{
# Macro not found, but AM_ prefix found.
# Make this just a warning, because we do not know whether
# the macro is actually used (it could be called conditionally).
warn ("aclocal:$file:$line: warning: "
. "macro `$2' not found in library\n");
}
}
add_macro ($_) foreach (@rlist);
my $dirname = dirname $file;
&scan_configure_dep (rel2abs ($_, $dirname)) foreach (@ilist);
}
# Add a file to output.
sub add_file ($)
{
local ($file) = @_;
# Only add a file once.
return if ($file_seen{$file});
$file_seen{$file} = 1;
scan_configure_dep $file;
}
# Point to the documentation for underquoted AC_DEFUN only once.
my $underquoted_manual_once = 0;
# scan_file ($FILE, $WHERE)
# -------------------------
# Scan a single M4 file ($FILE), and all files it includes.
# Return the list of included files.
# $WHERE is the location to use in the diagnostic if the file
# does not exist.
sub scan_file ($$)
{
my ($file, $where) = @_;
my $base = dirname $file;
# Do not scan the same file twice.
return @$file_includes{$file} if exists $file_includes{$file};
# Prevent potential infinite recursion (if two files include each other).
return () if exists $file_contents{$file};
unshift @file_order, $file;
if (! -e $file)
{
print STDERR "$where: file `$file' does not exist\n";
exit 1;
}
my $fh = new Automake::XFile $file;
my $contents = '';
my @inc_files = ();
my %inc_lines = ();
while ($_ = $fh->getline)
{
# Ignore `##' lines.
next if /^##/;
$contents .= $_;
while (/$ac_defun_rx/go)
{
if (! defined $1)
{
print STDERR "$file:$.: warning: underquoted definition of $2\n";
print STDERR " run info '(automake)Extending aclocal'\n"
. " or see http://sources.redhat.com/automake/"
. "automake.html#Extending-aclocal\n"
unless $underquoted_manual_once;
$underquoted_manual_once = 1;
}
my $macro = $1 || $2;
if (! defined $map{$macro})
{
print STDERR "aclocal: found macro $macro in $file: $.\n"
if $verbose;
$map{$macro} = $file;
}
else
{
# Note: we used to give an error here if we saw a
# duplicated macro. However, this turns out to be
# extremely unpopular. It causes actual problems which
# are hard to work around, especially when you must
# mix-and-match tool versions.
print STDERR "aclocal: ignoring macro $macro in $file: $.\n"
if $verbose;
}
}
while (/$m4_include_rx/go)
{
my $ifile = $1 || $2;
# m4_include is relative to the directory of the file which
# perform the include, but we want paths relative to the
# directory where aclocal is run. Do not use
# File::Spec->rel2abs, because we want to store relative
# paths (they might be used later of aclocal outputs an
# m4_include for this file, or if the user itself includes
# this file).
$ifile = "$base/$ifile"
unless $base eq '.' || File::Spec->file_name_is_absolute ($ifile);
push (@inc_files, $ifile);
$inc_lines{$ifile} = $.;
}
}
$file_contents{$file} = $contents;
# For some reason I don't understand, it does not work
# to do `map { scan_file ($_, ...) } @inc_files' below.
# With Perl 5.8.2 it undefines @inc_files.
my @copy = @inc_files;
my @all_inc_files = (@inc_files,
map { scan_file ($_, "$file:$inc_lines{$_}") } @copy);
$file_includes{$file} = \@all_inc_files;
return @all_inc_files;
}
# strip_redundant_includes (%FILES)
# ---------------------------------
# Each key in %FILES is a file that must be present in the output.
# However some of these files might already include other files in %FILES,
# so there is no point in including them another time.
# This removes items of %FILES which are already included by another file.
sub strip_redundant_includes (%)
{
my %files = @_;
# Files at the end of @file_order should override those at the beginning,
# so it is important to preserve these trailing files. We can remove
# a file A if it is going to be output before a file B that includes
# file A, not the converse.
foreach my $file (reverse @file_order)
{
next unless exists $files{$file};
foreach my $ifile (@{$file_includes{$file}})
{
next unless exists $files{$ifile};
delete $files{$ifile};
print STDERR "$ifile is already included by $file\n"
if $verbose;
}
}
return %files;
}
sub trace_used_macros ()
{
my %files = map { $map{$_} => 1 } keys %macro_seen;
$files{'acinclude.m4'} = 1 if -f 'acinclude.m4';
%files = strip_redundant_includes %files;
# configure.ac is implicitly included.
delete $files{$configure_ac};
my $traces = ($ENV{AUTOM4TE} || 'autom4te259');
$traces .= " --language Autoconf-without-aclocal-m4 ";
# All candidate files.
$traces .= join (' ', grep { exists $files{$_} } @file_order) . " ";
# All candidate macros.
$traces .= join (' ', map { "--trace='$_:\$f:\$n:\$1'" } ('AC_DEFUN',
'AC_DEFUN_ONCE',
'AU_DEFUN',
keys %macro_seen));
print STDERR "aclocal: running $traces $configure_ac\n" if $verbose;
my $tracefh = new Automake::XFile ("$traces $configure_ac |");
my %traced = ();
while ($_ = $tracefh->getline)
{
chomp;
my ($file, $macro, $arg1) = split (/:/);
$traced{$macro} = 1 if $macro_seen{$macro};
$map_traced_defs{$arg1} = $file
if ($macro eq 'AC_DEFUN'
|| $macro eq 'AC_DEFUN_ONCE'
|| $macro eq 'AU_DEFUN');
}
$tracefh->close;
return %traced;
}
sub scan_configure ()
{
# Make sure we include acinclude.m4 if it exists.
if (-f 'acinclude.m4')
{
add_file ('acinclude.m4');
}
scan_configure_dep ($configure_ac);
}
################################################################
# Write output.
sub write_aclocal ($@)
{
my ($output_file, @macros) = @_;
my $output = '';
my %files = ();
# Get the list of files containing definitions for the macros used.
# (Filter out unused macro definitions with $map_traced_defs. This
# can happen when an Autoconf macro is conditionally defined:
# aclocal sees the potential definition, but this definition is
# actually never processed and the Autoconf implementation is used
# instead.)
for my $m (@macros)
{
$files{$map{$m}} = 1 if $map{$m} eq $map_traced_defs{$m};
}
$files{'acinclude.m4'} = 1 if -f 'acinclude.m4';
%files = strip_redundant_includes %files;
delete $files{$configure_ac};
for $file (grep { exists $files{$_} } @file_order)
{
# Check the time stamp of this file, and all files it includes.
for my $ifile ($file, @{$file_includes{$file}})
{
my $mtime = mtime $ifile;
$greatest_mtime = $mtime if $greatest_mtime < $mtime;
}
# If the file to add looks like outside the project, copy it
# to the output. The regex catches filenames starting with
# things like `/', `\', or `c:\'.
if ($file =~ m,^(?:\w:)?[\\/],)
{
$output .= $file_contents{$file} . "\n";
}
else
{
# Otherwise, simply include the file.
$output .= "m4_include([$file])\n";
}
}
# Nothing to output?!
# FIXME: Shouldn't we diagnose this?
return if ! length ($output);
# We used to print `# $output_file generated automatically etc.' But
# this creates spurious differences when using autoreconf. Autoreconf
# creates aclocal.m4t and then rename it to aclocal.m4, but the
# rebuild rules generated by Automake create aclocal.m4 directly --
# this would gives two ways to get the same file, with a different
# name in the header.
$output = "# generated automatically by aclocal $VERSION -*- Autoconf -*-
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
# 2005 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
$output";
# We try not to update $output_file unless necessary, because
# doing so invalidate Autom4te's cache and therefore slows down
# tools called after aclocal.
#
# We need to overwrite $output_file in the following situations.
# * The --force option is in use.
# * One of the dependencies is younger.
# (Not updating $output_file in this situation would cause
# make to call aclocal in loop.)
# * The contents of the current file are different from what
# we have computed.
if (!$force_output
&& $greatest_mtime < mtime ($output_file)
&& $output eq contents ($output_file))
{
print STDERR "aclocal: $output_file unchanged\n" if $verbose;
return;
}
print STDERR "aclocal: writing $output_file\n" if $verbose;
my $out = new Automake::XFile "> $output_file";
print $out $output;
return;
}
################################################################
# Print usage and exit.
sub usage ($)
{
local ($status) = @_;
print "Usage: aclocal [OPTIONS] ...\n\n";
print "\
Generate `aclocal.m4' by scanning `configure.ac' or `configure.in'
--acdir=DIR directory holding config files
--help print this help, then exit
-I DIR add directory to search list for .m4 files
--force always update output file
--output=FILE put output in FILE (default aclocal.m4)
--print-ac-dir print name of directory holding m4 files
--verbose don't be silent
--version print version number, then exit
Report bugs to <bug-automake\@gnu.org>.\n";
exit $status;
}
# Parse command line.
sub parse_arguments (@)
{
local (@arglist) = @_;
local (@dirlist);
local ($print_and_exit) = 0;
while (@arglist)
{
if ($arglist[0] =~ /^--acdir=(.+)$/)
{
$acdir = $1;
}
elsif ($arglist[0] =~/^--output=(.+)$/)
{
$output_file = $1;
}
elsif ($arglist[0] eq '-I')
{
shift (@arglist);
push (@dirlist, $arglist[0]);
}
elsif ($arglist[0] eq '--print-ac-dir')
{
$print_and_exit = 1;
}
elsif ($arglist[0] eq '--force')
{
$force_output = 1;
}
elsif ($arglist[0] eq '--verbose')
{
++$verbose;
}
elsif ($arglist[0] eq '--version')
{
print "aclocal (GNU $PACKAGE) $VERSION\n";
print "Written by Tom Tromey <tromey\@redhat.com>\n\n";
print "Copyright (C) 2005 Free Software Foundation, Inc.\n";
print "This is free software; see the source for copying conditions. There is NO\n";
print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
exit 0;
}
elsif ($arglist[0] eq '--help')
{
&usage (0);
}
else
{
print STDERR "aclocal: unrecognized option -- `$arglist[0]'\nTry `aclocal --help' for more information.\n";
exit 1;
}
shift (@arglist);
}
if ($print_and_exit)
{
print $acdir, "\n";
exit 0;
}
$default_dirlist="$acdir/dirlist"
if $acdir ne $default_acdir;
unshift @dirlist, $acdir_x11 if -d "$acdir_x11/.";
# By default $(datadir)/aclocal doesn't exist. We don't want to
# get an error in the case where we are searching the default
# directory and it hasn't been created.
push (@dirlist, $acdir)
unless $acdir eq $default_acdir && ! -d $acdir;
# Finally, adds any directory listed in the `dirlist' file.
if (open (DEFAULT_DIRLIST, $default_dirlist))
{
while (<DEFAULT_DIRLIST>)
{
# Ignore '#' lines.
next if /^#/;
# strip off newlines and end-of-line comments
s/\s*\#.*$//;
chomp ($contents=$_);
if (-d $contents )
{
push (@dirlist, $contents);
}
}
close (DEFAULT_DIRLIST);
}
return @dirlist;
}
################################################################
local (@dirlist) = parse_arguments (@ARGV);
$configure_ac = require_configure_ac;
scan_m4_files (@dirlist);
scan_configure;
if (! $exit_code)
{
my %macro_traced = trace_used_macros;
write_aclocal ($output_file, keys %macro_traced);
}
check_acinclude;
exit $exit_code;
### 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: