Geek Gadgets 1/ADE-1.bin/ade-dist/automake-1.1e-bin.lha/bin/aclocal

Text File | 1996-10-12 | 5.4 KB | 265 lines

#!/bin/perl
# -*- perl -*-
# Generated automatically from aclocal.in by configure.

eval 'exec /bin/perl -S $0 ${1+"$@"}'
    if 0;

# aclocal - scan configure.in and generate aclocal.m4.

# Some constants.
$VERSION = "1.1e";
$PACKAGE = "automake";
$prefix = "/ade";
# Note that this isn't pkgdatadir, but a separate directory.
$acdir = "${prefix}/share/aclocal";

# Some globals.

# Exit status.
$exit_status = 0;

# Text to output.
$output = '';

# Output file name.
$output_file = 'aclocal.m4';

# Which macros have been seen.
%macro_seen = ();

# Which files have been seen.
%file_seen = ();

# How much to say.
$verbosity = 0;

@obsolete_macros =
    (
     'AC_FEATURE_CTYPE',
     'AC_FEATURE_ERRNO',
     'AC_FEATURE_EXIT',
     'AC_SYSTEM_HEADER',
     'fp_C_PROTOTYPES',
     'fp_FUNC_FNMATCH',
     'fp_PROG_CC_STDC',
     'fp_PROG_INSTALL',
     'fp_WITH_DMALLOC',
     'fp_WITH_REGEX',
     'gm_PROG_LIBTOOL',
     'jm_MAINTAINER_MODE',
     'md_TYPE_PTRDIFF_T',
     'ud_PATH_LISPDIR',
# These aren't quite obsolete.
#      'md_PATH_PROG',
#      'ud_GNU_GETTEXT',
#      'ud_LC_MESSAGES',
#      'ud_WITH_NLS'
     );

$obsolete_rx = '(' . join ('|', @obsolete_macros) . ')';



&parse_arguments (@ARGV);
&scan_configure;
if (! $exit_status)
{
    &write_aclocal;
}

exit $exit_status;

################################################################

# Print usage and exit.
sub usage
{
    local ($status) = @_;

    print "Usage: aclocal [OPTIONS] ...\n";
    print "\
  --acdir=DIR           directory holding config files
  --help                print this help, then exit
  --output=FILE         put output in FILE (default aclocal.m4)
  --verbose             don't be silent
  --version             print version number, then exit

Report bugs to <bug-gnu-utils\@prep.ai.mit.edu>\n";

    exit $status;
}

# Parse command line.
sub parse_arguments
{
    local (@arglist) = @_;

    while (@arglist)
    {
    if ($arglist[0] =~ /^--acdir=(.+)$/)
    {
        $acdir = $1;
    }
    elsif ($arglist[0] =~/^--output=(.+)$/)
    {
        $output_file = $1;
    }
    elsif ($arglist[0] eq '--verbose')
    {
        ++$verbosity;
    }
    elsif ($arglist[0] eq '--version')
    {
        print "aclocal - GNU $PACKAGE $VERSION\n";
        exit 0;
    }
    elsif ($arglist[0] eq '--help')
    {
        &usage (0);
    }
    else
    {
        &usage (1);
    }

    shift (@arglist);
    }
}

################################################################

sub scan_configure
{
    # First, construct list of regexps to match the things we actually
    # have.
    opendir (DIR, $acdir)
    || die "aclocal: couldn't open directory \`$acdir': $!\n";
    local ($search, $elt);
    foreach (sort grep (! /^\./, readdir (DIR)))
    {
    # Only examine .m4 files.
    next unless s/\.m4$//;

    # Skip some files when running out of srcdir.  Eg "aclocal.m4"
    # must be skipped.
    next unless /^[A-Za-z]+_[A-Z_]+$/;

    print STDERR "Finding $_\n" if $verbosity;
    ($elt = $_) =~ s/(\W)/\\$1/g;
    $search .= "&add_file (\"$elt\") if /$elt/;\n";
    }
    closedir (DIR);

    # Construct a new function that does the searching.  We use a
    # function (instead of just evalling $search in the loop) so that
    # "die" is correctly and easily propagated if run.
    eval 'sub search { ' . $search . '};';

    open (CONFIGURE, "configure.in")
    || die "aclocal: couldn't open \`configure.in': $!\n";

    while (<CONFIGURE>)
    {
    # Remove comments from current line.
    s/\bdnl\b.*$//;
    s/\#.*$//;

    if (/$obsolete_rx/o)
    {
        chop;
        warn "aclocal: configure.in: $.: obsolete macro \`$_'\n";
        $exit_status = 1;
        next;
    }

    # Search for things we know about.  The "search" sub is
    # constructed dynamically, above.
    &search;
    }

    close (CONFIGURE);

    # Include this file if it exists
    if (-f 'acinclude.m4')
    {
    &add_file ('acinclude.m4');
    }
}

################################################################

# Add a file to output.
sub add_file
{
    local ($file) = @_;
    local ($fullfile) = $file;

    return if ($file_seen{$file});
    $file_seen{$file} = 1;

    if (! -f $file)
    {
    $fullfile = $acdir . '/' . $file . '.m4';
    if (! -f $fullfile)
    {
        # Maybe the file is an Autoconf built-in.  Check the only
        # way we know how.  Suggestions on how to make this better
        # are welcome.  FIXME should give file and line number of
        # enclosing file.
        return if $file =~ /^AC_[A-Z_]+$/;
        die "aclocal: file \`$file' not found\n";
    }
    }

    open (FILE, $fullfile)
    || die "aclocal: couldn't open \`$fullfile': $!\n";

    local (@rlist);
    while (<FILE>)
    {
    $output .= $_;

    # See if we're defining a macro that was already seen.  This
    # is mostly a special case for `acinclude.m4'.
    if (/AC_DEFUN\(\[?([^])\n]+)\]?/)
        {
        if ($1 ne $file && $file_seen{$1})
        {
        warn "aclocal: $fullfile: $.: duplicated macro \`$1'\n";
        $exit_status = 1;
        }
        $macro_seen{$1} = 1;
    }

    # See if some other macro is required.
    if (/AC_REQUIRE\(\[?([^])]*)\]?\)/)
    {
        push (@rlist, $1) unless defined $macro_seen{$1};
    }
    }
    $output .= "\n";
    close (FILE);

    foreach $file (@rlist)
    {
    &add_file ($file);
    }
}

################################################################

# Write output.
sub write_aclocal
{
    return if ! $output;

    print STDERR "Writing aclocal.m4\n" if $verbosity;

    open (ACLOCAL, "> aclocal.m4")
    || die "aclocal: couldn't open \`aclocal.m4' for writing: $!\n";
    print ACLOCAL "dnl aclocal.m4 generated automatically by aclocal $VERSION\n\n";
    print ACLOCAL $output;
    close (ACLOCAL);
}