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#!/usr/bin/perl
# mupdmap: utility to maintain map files for outline fonts.
# $Id: updmap.pl 27264 2012-07-31 05:10:29Z preining $
# 
# Copyright 2011, 2012 Norbert Preining
# This file is licensed under the GNU General Public License version 2
# or any later version.
#
# History:
# Original shell script (C) 2002 Thomas Esser
# first perl variant (C) Fabrice Popineau
# later adaptions by Reinhard Kotucha and Karl Berry
# the original versions were licensed under the following agreement:
# Anyone may freely use, modify, and/or distribute this file, without
# limitation.
#
# TODO
# - check all other invocations
# - after TL2012? Maybe remove support for reading updmap-local.cfg
#

my $TEXMFROOT;

BEGIN {
  $^W=1;
  $TEXMFROOT = `kpsewhich -var-value=TEXMFROOT`;
  if ($?) {
    print STDERR "updmap: Cannot find TEXMFROOT, aborting!\n";
    exit 1;
  }
  chomp($TEXMFROOT);
  unshift (@INC, "$TEXMFROOT/tlpkg");
}


my $version = '$Id: updmap.pl 27264 2012-07-31 05:10:29Z preining $';

use Getopt::Long qw(:config no_autoabbrev ignore_case_always);
use strict;
use TeXLive::TLUtils qw(mkdirhier mktexupd win32 basename dirname 
  sort_uniq member);

#use Data::Dumper;
#$Data::Dumper::Indent = 1;

(my $prg = basename($0)) =~ s/\.pl$//;

# sudo sometimes does not reset the home dir of root, check on that
# see more comments at the definition of the function itself
# this function checks by itself whether it is running on windows or not
reset_root_home();

chomp(my $TEXMFMAIN = `kpsewhich --var-value=TEXMFMAIN`);
chomp(my $TEXMFVAR = `kpsewhich -var-value=TEXMFVAR`);
chomp(my $TEXMFCONFIG = `kpsewhich -var-value=TEXMFCONFIG`);
chomp(my $TEXMFHOME = `kpsewhich -var-value=TEXMFHOME`);

# make sure that on windows *everything* is in lower case for comparison
if (win32()) {
  $TEXMFMAIN = lc($TEXMFMAIN);
  $TEXMFVAR = lc($TEXMFVAR);
  $TEXMFCONFIG = lc($TEXMFCONFIG);
  $TEXMFROOT = lc($TEXMFROOT);
  $TEXMFHOME = lc($TEXMFHOME);
}


my %opts = ( quiet => 0, nohash => 0, nomkmap => 0 );
my $alldata;
my $updLSR;

my @cmdline_options = (
  "listfiles",
  "cnffile=s@", 
  "copy", 
  "disable=s@",
  "dvipdfmoutputdir=s",
  "dvipdfmxoutputdir=s",
  "dvipsoutputdir=s",
  # the following does not work, Getopt::Long looses the first
  # entry in a multi setting, treat it separately in processOptions
  # furthermore, it is not supported by older perls, so do it differently
  #"enable=s{1,2}",
  "edit",
  "force",
  "listavailablemaps",
  "listmaps|l",
  "nohash",
  "nomkmap",
  "dry-run|n",
  "outputdir=s",
  "pdftexoutputdir=s",
  "pxdvioutputdir=s",
  "quiet|silent|q",
  # the following is a correct specification of an option according
  # to the manual, but it does not work!
  # we will treat that option by itself in processOptions
  # furthermore, it is not supported by older perls, so do it differently
  #"setoption=s@{1,2}",
  "showoptions=s@",
  "showoption=s@",
  "syncwithtrees",
  "version",
  "help|h",
  # some debugging invocations
  "_readsave=s",
  );

my %settings = (
  dvipsPreferOutline    => {
    type     => "binary",
    default  => "true",
  },
  LW35                  => {
    type     => "string",
    possible => [ qw/URW URWkb ADOBE ADOBEkb/ ],
    default  => "URWkb",
  },
  dvipsDownloadBase35   => {
    type     => "binary",
    default  => "true",
  },
  pdftexDownloadBase14  => {
    type     => "binary",
    default  => "true",
  },
  dvipdfmDownloadBase14 => {
    type     => "binary",
    default  => "true",
  },
  pxdviUse              => {
    type     => "binary",
    default  => "false",
  },
  kanjiEmbed            => {
    type     => "any",
    default  => "noEmbed",
  },
  kanjiVariant          => {
    type     => "any",
    default  => "",
  },
);

&main();

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

sub main {
  processOptions();

  help() if $opts{'help'};

  if ($opts{'version'}) {
    print version();
    exit (0);
  }

  if ($opts{'dvipdfmoutputdir'} && !defined($opts{'dvipdfmxoutputdir'})) {
    $opts{'dvipdfmxoutputdir'} = $opts{'dvipdfmoutputdir'};
    printf STDERR "Using --dvipdfmoutputdir options for dvipdfmx, but please use --dvipdfmxoutputdir\n";
  }

  if ($opts{'dvipdfmoutputdir'} && $opts{'dvipdfmxoutputdir'} &&
      $opts{'dvipdfmoutputdir'} ne $opts{'dvipdfmxoutputdir'}) {
    printf STDERR "Options for --dvipdfmoutputdir and --dvipdfmxoutputdir do not agree\nplease use only --dvipdfmxoutputdir. Exiting.\n";
    exit(1);
  }

  if ($opts{'_readsave'}) {
    read_updmap_files($opts{'_readsave'});
    merge_settings_replace_kanji();
    print "READING DONE ============================\n";
    #print Dumper($alldata);
    $alldata->{'updmap'}{$opts{'_readsave'}}{'changed'} = 1;
    save_updmap($opts{'_readsave'});
    exit 0;
  }
 
  if ($opts{'showoptions'}) {
    for my $o (@{$opts{'showoptions'}}) {
      if (defined($settings{$o})) {
        if ($settings{$o}{'type'} eq "binary") {
          print "true false\n";
        } elsif ($settings{$o}{'type'} eq "string") {
          print "@{$settings{$o}{'possible'}}\n";
        } elsif ($settings{$o}{'type'} eq "any") {
          print "(any string)\n";
        } else {
          print "strange: unknown type of option $o\nplease report\n";
        }
      } else {
        print "$prg: unknown option: $o\n";
      }
    }
    exit 0;
  }

  # config file for changes
  my $changes_config_file;

  # determine which config files should be used
  # replaces the former "setupCfgFile"
  #
  # we also determine here where changes will be saved to
  if ($opts{'cnffile'}) {
    my @tmp;
    for my $f (@{$opts{'cnffile'}}) {
      if (! -f $f) {
        die "$prg: Config file \"$f\" not found.";
      }
      push @tmp, (win32() ? lc($f) : $f);
    }
    @{$opts{'cnffile'}} = @tmp;
    # in case that config files are given on the command line, the first
    # in the list is the one where changes will be written to.
    ($changes_config_file) = @{$opts{'cnffile'}};
  } else {
    my @all_files = `kpsewhich -all updmap.cfg`;
    chomp(@all_files);
    my @used_files;
    for my $f (@all_files) {
      push @used_files, (win32() ? lc($f) : $f);
    }
    #
    my $TEXMFLOCALVAR;
    my @TEXMFLOCAL;
    if (win32()) {
      chomp($TEXMFLOCALVAR =`kpsewhich --expand-path=\$TEXMFLOCAL`);
      @TEXMFLOCAL = map { lc } split(/;/ , $TEXMFLOCALVAR);
    } else {
      chomp($TEXMFLOCALVAR =`kpsewhich --expand-path='\$TEXMFLOCAL'`);
      @TEXMFLOCAL = split /:/ , $TEXMFLOCALVAR;
    }
    #
    # search for TEXMFLOCAL/web2c/updmap.cfg
    # check for compatibility with old updmap-local.cfg
    my @tmlused;
    for my $tml (@TEXMFLOCAL) {
      my $TMLabs = Cwd::abs_path($tml);
      next if (!$TMLabs);
      my $oldfound = 0;
      if (-r "$TMLabs/web2c/updmap-local.cfg") {
        push @tmlused, "$TMLabs/web2c/updmap-local.cfg";
        warning("Old configuration file\n  $TMLabs/web2c/updmap-local.cfg\nfound! ");
        $oldfound = 1;
      }
      if (-r "$TMLabs/web2c/updmap.cfg") {
        if ($oldfound) {
          warning("Will read it *instead* of\n  $TMLabs/web2c/updmap.cfg\n");
        } else {
          push @tmlused, "$TMLabs/web2c/updmap.cfg";
        }
      }
      warning("Please consider moving the information from updmap-local.cfg to\n  $TMLabs/web2c/updmap.cfg\n")
        if ($oldfound);
    }
    #
    # reorder used files: we move TEXMFLOCAL (if used) just above TEXMFMAIN
    # as sysadmins will probably adjust values there
    #
    # updmap (user):
    # ==============
    # as found:
    # TEXMFCONFIG    $HOME/.texliveYYYY/texmf-config/web2c/updmap.cfg
    # TEXMFVAR       $HOME/.texliveYYYY/texmf-var/web2c/updmap.cfg
    # TEXMFHOME      $HOME/texmf/web2c/updmap.cfg
    # TEXMFSYSCONFIG $TEXLIVE/YYYY/texmf-config/web2c/updmap.cfg
    # TEXMFSYSVAR    $TEXLIVE/YYYY/texmf-var/web2c/updmap.cfg
    # TEXMFMAIN      $TEXLIVE/YYYY/texmf/web2c/updmap.cfg
    # TEXMFLOCAL     $TEXLIVE/texmf-local/web2c/updmap.cfg
    # TEXMFDIST      $TEXLIVE/YYYY/texmf-dist/web2c/updmap.cfg
    # 
    # as used:
    # TEXMFCONFIG    $HOME/.texliveYYYY/texmf-config/web2c/updmap.cfg
    # TEXMFVAR       $HOME/.texliveYYYY/texmf-var/web2c/updmap.cfg
    # TEXMFHOME      $HOME/texmf/web2c/updmap.cfg
    # TEXMFSYSCONFIG $TEXLIVE/YYYY/texmf-config/web2c/updmap.cfg
    # TEXMFSYSVAR    $TEXLIVE/YYYY/texmf-var/web2c/updmap.cfg
    # TEXMFLOCAL     $TEXLIVE/texmf-local/web2c/updmap.cfg
    # TEXMFMAIN      $TEXLIVE/YYYY/texmf/web2c/updmap.cfg
    # TEXMFDIST      $TEXLIVE/YYYY/texmf-dist/web2c/updmap.cfg
    # 
    # updmap-sys (root):
    # ==================
    # as found:
    # TEXMFSYSCONFIG $TEXLIVE/YYYY/texmf-config/web2c/updmap.cfg
    # TEXMFSYSVAR    $TEXLIVE/YYYY/texmf-var/web2c/updmap.cfg
    # TEXMFMAIN      $TEXLIVE/YYYY/texmf/web2c/updmap.cfg
    # TEXMFLOCAL     $TEXLIVE/texmf-local/web2c/updmap.cfg
    # TEXMFDIST      $TEXLIVE/YYYY/texmf-dist/web2c/updmap.cfg
    # 
    # as used:
    # TEXMFSYSCONFIG $TEXLIVE/YYYY/texmf-config/web2c/updmap.cfg
    # TEXMFSYSVAR    $TEXLIVE/YYYY/texmf-var/web2c/updmap.cfg
    # TEXMFLOCAL     $TEXLIVE/texmf-local/web2c/updmap.cfg
    # TEXMFMAIN      $TEXLIVE/YYYY/texmf/web2c/updmap.cfg
    # TEXMFDIST      $TEXLIVE/YYYY/texmf-dist/web2c/updmap.cfg
    #
    if (@tmlused) {
      my @tmp;
      for my $f (@used_files) {
        if ($f =~ m!\Q$TEXMFMAIN/\E!) {
          push @tmp, @tmlused;
          push @tmp, $f;
        } else {
          my $pushit = 1;
          for my $tml (@TEXMFLOCAL) {
            if ($f =~ m!\Q$tml\E!) {
              $pushit = 0;
              last;
            }
          }
          push @tmp, $f if ($pushit);
        }
      }
      @used_files = @tmp;
    }
    @{$opts{'cnffile'}}  = @used_files;
    #
    # determine the config file that we will use for changes
    # if in the list of used files contains either one from
    # TEXMFHOME or TEXMFCONFIG (which is TEXMFSYSCONFIG in the -sys case)
    # then use the *top* file (which will be either one of the two),
    # if none of the two exists, create a file in TEXMFCONFIG and use it
    my $use_top = 0;
    for my $f (@used_files) {
      if ($f =~ m!(\Q$TEXMFHOME\E|\Q$TEXMFCONFIG\E)/web2c/updmap.cfg!) {
        $use_top = 1;
        last;
      }
    }
    if ($use_top) {
      ($changes_config_file) = @used_files;
    } else {
      # add the empty config file
      my $dn = "$TEXMFCONFIG/web2c";
      $changes_config_file = "$dn/updmap.cfg";
    }
  }
  if (!$opts{'quiet'}) {
    print "$prg is using the following updmap.cfg files (in precedence order):\n";
    for my $f (@{$opts{'cnffile'}}) {
      print "  $f\n";
    }
    print "$prg is using the following updmap.cfg file for writing changes:\n";
    print "  $changes_config_file\n";
  }
  if ($opts{'listfiles'}) {
    # we listed it above, so be done
    exit 0;
  }

  $alldata->{'changes_config'} = $changes_config_file;

  read_updmap_files(@{$opts{'cnffile'}});

  if ($opts{'showoption'}) {
    merge_settings_replace_kanji();
    for my $o (@{$opts{'showoption'}}) {
      if (defined($settings{$o})) {
        my ($v, $vo) = get_cfg($o);
        $v = "\"$v\"" if ($v =~ m/\s/);
        print "$o=$v ($vo)\n";
      } else {
        printf STDERR "$prg: unknown option: $o\n";
      }
    }
    exit 0;
  }

  if ($opts{'listmaps'}) {
    merge_settings_replace_kanji();
    for my $m (keys %{$alldata->{'maps'}}) {
      my $origin = $alldata->{'maps'}{$m}{'origin'};
      print $alldata->{'updmap'}{$origin}{'maps'}{$m}{'type'}, " $m ",
      $alldata->{'updmap'}{$origin}{'maps'}{$m}{'status'}, " in $origin\n";
    }
    exit 0;
  }

  # we do changes always in the used config file with the highest
  # priority
  my $bakFile = $changes_config_file;
  $bakFile =~ s/\.cfg$/.bak/;
  my $changed = 0;

  if ($opts{'syncwithtrees'}) {
    merge_settings_replace_kanji();
    my @missing = read_map_files();
    if (@missing) {
      print "Missing map files found, disabling\n";
      for my $m (@missing) {
        my $orig = $alldata->{'maps'}{$m}{'origin'};
        print "\t$m (in $orig)\n";
      }
      print "in $changes_config_file\n";
      print "Do you really want to continue (y/N)? ";
      my $answer = <STDIN>;
      $answer = "n" if !defined($answer);
      chomp($answer);
      print "answer =$answer=\n";
      if ($answer ne "y" && $answer ne "Y") {
        print "Please fix manually before running updmap(-sys) again!\n";
        exit 0;
      }
      $changed ||= enable_disable_maps(@missing);
      print "finished.\n";
      # the original script did not run any update of the map files here,
      # should we do that?
    }
    exit 0;
  }

  $updLSR = &mktexupd();
  $updLSR->{mustexist}(0);

  my $cmd;
  if ($opts{'edit'}) {
    if ($opts{"dry-run"}) {
      printf STDERR "No, are you joking, you want to edit with --dry-run?\n";
      exit 1;
    }
    # it's not a good idea to edit updmap.cfg manually these days,
    # but for compatibility we'll silently keep the option.
    $cmd = 'edit';
    my $editor = $ENV{'VISUAL'} || $ENV{'EDITOR'};
    $editor ||= (&win32 ? "notepad" : "vi");
    if (-r $changes_config_file) {
      &copyFile($changes_config_file, $bakFile);
    } else {
      touch($bakFile);
      touch($changes_config_file);
    }
    system($editor, $changes_config_file);
    $changed = files_are_different($bakFile, $changes_config_file);
  } elsif ($opts{'setoption'}) {
    $cmd = 'setOption';
    $changed = setOptions (@{$opts{'setoption'}});
  } elsif ($opts{'enable'} || $opts{'disable'}) {
    $cmd = 'enableMap';
    $changed ||= enable_disable_maps(@{$opts{'enable'}}, @{$opts{'disable'}});
  }


  if ($cmd && !$opts{'force'} && !$changed) {
    print "$changes_config_file unchanged.  Map files not recreated.\n" 
      if !$opts{'quiet'};
  } else {
    if (!$opts{'nomkmap'}) {
      # before we continue we have to make sure that a newly created config
      # file is acually used. So we have to push the $changes_config_file
      # onto the list of available files. Since it is already properly
      # initialized and the merging is done later,  all settings should be
      # honored
      my @aaa = @{$alldata->{'order'}};
      unshift @aaa, $changes_config_file;
      $alldata->{'order'} = [ @aaa ];
      #
      setupOutputDir("dvips");
      setupOutputDir("pdftex");
      setupOutputDir("dvipdfmx");
      setupOutputDir("pxdvi");
      merge_settings_replace_kanji();
      my @missing = read_map_files();
      if (@missing) {
        print STDERR "\nERROR:  The following map file(s) couldn't be found:\n"; 
        for my $m (@missing) {
          my $orig = $alldata->{'maps'}{$m}{'origin'};
          print STDERR "\t$m (in $orig)\n";
        }
        print STDERR "\n\tDid you run mktexlsr?\n\n" .
          "\tYou can disable non-existent map entries using the option\n".
          "\t  --syncwithtrees.\n\n";
        exit 1;
      }
      merge_data();
      # for inspecting the output
      #print STDERR Data::Dumper->Dump([$alldata], [qw(mapdata)]);
      #print Dumper($alldata);
      mkMaps();
    }
    unlink ($bakFile) if (-r $bakFile);
  }

  if (!$opts{'nohash'}) {
    print "$prg: Updating ls-R files.\n" if !$opts{'quiet'};
    $updLSR->{exec}() unless $opts{"dry-run"};
  }

  return 0;
}

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

sub getFonts {
  my ($first, @rest) = @_;
  my $getall = 0;
  my @maps = ();
  return if !defined($first);
  if ($first eq "-all") {
    $getall = 1;
    @maps = @rest;
  } else {
    @maps = ($first, @rest);
  }
  my @lines = ();
  for my $m (@maps) {
    if (defined($alldata->{'maps'}{$m})) {
      print LOG "\n" . $alldata->{'maps'}{$m}{'fullpath'} . ":\n" unless $opts{'dry-run'};
      push @lines, "% $m";
      for my $k (sort keys %{$alldata->{'maps'}{$m}{'fonts'}}) {
        if ($getall || $alldata->{'fonts'}{$k}{'origin'} eq $m) {
          if (defined($alldata->{'maps'}{$m}{'fonts'}{$k})) {
            push @lines, "$k " . $alldata->{'maps'}{$m}{'fonts'}{$k};
          } else {
            print "undefined fonts for $k in $m   ?!?!?\n";
          }
          print LOG "$k\n" unless $opts{'dry-run'};
        }
      }
    }
  }
  chomp @lines;
  return @lines;
}

###############################################################################
# writeLines()
#   write the lines in $filename
#
sub writeLines {
  my ($fname, @lines) = @_;
  return if $opts{"dry-run"};
  map { ($_ !~ m/\n$/ ? s/$/\n/ : $_ ) } @lines;
  open FILE, ">$fname" or die "$prg: can't write lines to $fname: $!";
  print FILE @lines;
  close FILE;
}

###############################################################################
# to_pdftex()
#   if $pdftexStripEnc is set, strip "PS_Encoding_Name ReEncodeFont"
#   from map entries; they are ignored by pdftex.  But since the sh
#   incarnation of updmap included them, and we want to minimize
#   differences, this is not done by default.
#
sub to_pdftex {
  my $pdftexStripEnc = 0;
  return @_ unless $pdftexStripEnc;
  my @in = @_;
  my @out;
  foreach my $line (@in) {
    if ($line =~ /^(.*\s+)(\S+\s+ReEncodeFont\s)(.*)/) {
      $line = "$1$3";
      $line =~ s/\s+\"\s+\"\s+/ /;
    }
    push @out, $line;
  }
  return @out;
}

###############################################################################
# setupSymlinks()
#   set symlink for psfonts.map according to dvipsPreferOutline variable
#
sub setupSymlinks {
  my ($dvipsPreferOutline, $dvipsoutputdir, $pdftexDownloadBase14, $pdftexoutputdir) = @_;
  my $src;
  my %link;
  my @link;

  if ($dvipsPreferOutline eq "true") {
    $src = "psfonts_t1.map";
  } else {
    $src = "psfonts_pk.map";
  }
  unlink "$dvipsoutputdir/psfonts.map" unless $opts{"dry-run"};
  push @link, &SymlinkOrCopy("$dvipsoutputdir", "$src", "psfonts.map");

  if ($pdftexDownloadBase14 eq "true") {
    $src = "pdftex_dl14.map";
  } else {
    $src = "pdftex_ndl14.map";
  }
  unlink "$pdftexoutputdir/pdftex.map" unless $opts{"dry-run"};
  push @link, &SymlinkOrCopy("$pdftexoutputdir", "$src", "pdftex.map");
  %link = @link;
  return \%link;
}

###############################################################################
# SymlinkOrCopy(dir, src, dest)
#   create symlinks if possible, otherwise copy files
#
sub SymlinkOrCopy {
  my ($dir, $src, $dest) = @_;
  return ($src, $dest) if $opts{"dry-run"};
  if (&win32 || $opts{'copy'}) {  # always copy
    &copyFile("$dir/$src", "$dir/$dest");
  } else { # symlink if supported by fs, copy otherwise
    system("cd \"$dir\" && ln -s $src $dest 2>/dev/null || "
           . "cp -p \"$dir/$src\" \"$dir/$dest\"");
  }
  # remember for "Files generated" in &mkMaps.
  return ($dest, $src);
}


###############################################################################
# transLW35(mode args ...)
#   transform fontname and filenames according to transformation specified
#   by mode.  Possible values:
#      URW|URWkb|ADOBE|ADOBEkb
#
sub transLW35 {
  my ($mode, @lines) = @_;

  my @psADOBE = (
       's/ URWGothicL-Demi / AvantGarde-Demi /',
       's/ URWGothicL-DemiObli / AvantGarde-DemiOblique /',
       's/ URWGothicL-Book / AvantGarde-Book /',
       's/ URWGothicL-BookObli / AvantGarde-BookOblique /',
       's/ URWBookmanL-DemiBold / Bookman-Demi /',
       's/ URWBookmanL-DemiBoldItal / Bookman-DemiItalic /',
       's/ URWBookmanL-Ligh / Bookman-Light /',
       's/ URWBookmanL-LighItal / Bookman-LightItalic /',
       's/ NimbusMonL-Bold / Courier-Bold /',
       's/ NimbusMonL-BoldObli / Courier-BoldOblique /',
       's/ NimbusMonL-Regu / Courier /',
       's/ NimbusMonL-ReguObli / Courier-Oblique /',
       's/ NimbusSanL-Bold / Helvetica-Bold /',
       's/ NimbusSanL-BoldCond / Helvetica-Narrow-Bold /',
       's/ NimbusSanL-BoldItal / Helvetica-BoldOblique /',
       's/ NimbusSanL-BoldCondItal / Helvetica-Narrow-BoldOblique /',
       's/ NimbusSanL-Regu / Helvetica /',
       's/ NimbusSanL-ReguCond / Helvetica-Narrow /',
       's/ NimbusSanL-ReguItal / Helvetica-Oblique /',
       's/ NimbusSanL-ReguCondItal / Helvetica-Narrow-Oblique /',
       's/ CenturySchL-Bold / NewCenturySchlbk-Bold /',
       's/ CenturySchL-BoldItal / NewCenturySchlbk-BoldItalic /',
       's/ CenturySchL-Roma / NewCenturySchlbk-Roman /',
       's/ CenturySchL-Ital / NewCenturySchlbk-Italic /',
       's/ URWPalladioL-Bold / Palatino-Bold /',
       's/ URWPalladioL-BoldItal / Palatino-BoldItalic /',
       's/ URWPalladioL-Roma / Palatino-Roman /',
       's/ URWPalladioL-Ital / Palatino-Italic /',
       's/ StandardSymL / Symbol /',
       's/ NimbusRomNo9L-Medi / Times-Bold /',
       's/ NimbusRomNo9L-MediItal / Times-BoldItalic /',
       's/ NimbusRomNo9L-Regu / Times-Roman /',
       's/ NimbusRomNo9L-ReguItal / Times-Italic /',
       's/ URWChanceryL-MediItal / ZapfChancery-MediumItalic /',
       's/ Dingbats / ZapfDingbats /',
    );

  my @fileADOBEkb = (
        's/\buagd8a.pfb\b/pagd8a.pfb/',
        's/\buagdo8a.pfb\b/pagdo8a.pfb/',
        's/\buagk8a.pfb\b/pagk8a.pfb/',
        's/\buagko8a.pfb\b/pagko8a.pfb/',
        's/\bubkd8a.pfb\b/pbkd8a.pfb/',
        's/\bubkdi8a.pfb\b/pbkdi8a.pfb/',
        's/\bubkl8a.pfb\b/pbkl8a.pfb/',
        's/\bubkli8a.pfb\b/pbkli8a.pfb/',
        's/\bucrb8a.pfb\b/pcrb8a.pfb/',
        's/\bucrbo8a.pfb\b/pcrbo8a.pfb/',
        's/\bucrr8a.pfb\b/pcrr8a.pfb/',
        's/\bucrro8a.pfb\b/pcrro8a.pfb/',
        's/\buhvb8a.pfb\b/phvb8a.pfb/',
        's/\buhvb8ac.pfb\b/phvb8an.pfb/',
        's/\buhvbo8a.pfb\b/phvbo8a.pfb/',
        's/\buhvbo8ac.pfb\b/phvbo8an.pfb/',
        's/\buhvr8a.pfb\b/phvr8a.pfb/',
        's/\buhvr8ac.pfb\b/phvr8an.pfb/',
        's/\buhvro8a.pfb\b/phvro8a.pfb/',
        's/\buhvro8ac.pfb\b/phvro8an.pfb/',
        's/\buncb8a.pfb\b/pncb8a.pfb/',
        's/\buncbi8a.pfb\b/pncbi8a.pfb/',
        's/\buncr8a.pfb\b/pncr8a.pfb/',
        's/\buncri8a.pfb\b/pncri8a.pfb/',
        's/\buplb8a.pfb\b/pplb8a.pfb/',
        's/\buplbi8a.pfb\b/pplbi8a.pfb/',
        's/\buplr8a.pfb\b/pplr8a.pfb/',
        's/\buplri8a.pfb\b/pplri8a.pfb/',
        's/\busyr.pfb\b/psyr.pfb/',
        's/\butmb8a.pfb\b/ptmb8a.pfb/',
        's/\butmbi8a.pfb\b/ptmbi8a.pfb/',
        's/\butmr8a.pfb\b/ptmr8a.pfb/',
        's/\butmri8a.pfb\b/ptmri8a.pfb/',
        's/\buzcmi8a.pfb\b/pzcmi8a.pfb/',
        's/\buzdr.pfb\b/pzdr.pfb/',
      );

  my @fileURW = (
        's/\buagd8a.pfb\b/a010015l.pfb/',
  's/\buagdo8a.pfb\b/a010035l.pfb/',
  's/\buagk8a.pfb\b/a010013l.pfb/',
  's/\buagko8a.pfb\b/a010033l.pfb/',
  's/\bubkd8a.pfb\b/b018015l.pfb/',
  's/\bubkdi8a.pfb\b/b018035l.pfb/',
  's/\bubkl8a.pfb\b/b018012l.pfb/',
  's/\bubkli8a.pfb\b/b018032l.pfb/',
  's/\bucrb8a.pfb\b/n022004l.pfb/',
  's/\bucrbo8a.pfb\b/n022024l.pfb/',
  's/\bucrr8a.pfb\b/n022003l.pfb/',
  's/\bucrro8a.pfb\b/n022023l.pfb/',
  's/\buhvb8a.pfb\b/n019004l.pfb/',
  's/\buhvb8ac.pfb\b/n019044l.pfb/',
  's/\buhvbo8a.pfb\b/n019024l.pfb/',
  's/\buhvbo8ac.pfb\b/n019064l.pfb/',
  's/\buhvr8a.pfb\b/n019003l.pfb/',
  's/\buhvr8ac.pfb\b/n019043l.pfb/',
  's/\buhvro8a.pfb\b/n019023l.pfb/',
  's/\buhvro8ac.pfb\b/n019063l.pfb/',
  's/\buncb8a.pfb\b/c059016l.pfb/',
  's/\buncbi8a.pfb\b/c059036l.pfb/',
  's/\buncr8a.pfb\b/c059013l.pfb/',
  's/\buncri8a.pfb\b/c059033l.pfb/',
  's/\buplb8a.pfb\b/p052004l.pfb/',
  's/\buplbi8a.pfb\b/p052024l.pfb/',
  's/\buplr8a.pfb\b/p052003l.pfb/',
  's/\buplri8a.pfb\b/p052023l.pfb/',
  's/\busyr.pfb\b/s050000l.pfb/',
  's/\butmb8a.pfb\b/n021004l.pfb/',
  's/\butmbi8a.pfb\b/n021024l.pfb/',
  's/\butmr8a.pfb\b/n021003l.pfb/',
  's/\butmri8a.pfb\b/n021023l.pfb/',
  's/\buzcmi8a.pfb\b/z003034l.pfb/',
  's/\buzdr.pfb\b/d050000l.pfb/',
       );

  my @fileADOBE = (
  's/\buagd8a.pfb\b/agd_____.pfb/',
  's/\buagdo8a.pfb\b/agdo____.pfb/',
  's/\buagk8a.pfb\b/agw_____.pfb/',
  's/\buagko8a.pfb\b/agwo____.pfb/',
  's/\bubkd8a.pfb\b/bkd_____.pfb/',
  's/\bubkdi8a.pfb\b/bkdi____.pfb/',
  's/\bubkl8a.pfb\b/bkl_____.pfb/',
  's/\bubkli8a.pfb\b/bkli____.pfb/',
  's/\bucrb8a.pfb\b/cob_____.pfb/',
  's/\bucrbo8a.pfb\b/cobo____.pfb/',
  's/\bucrr8a.pfb\b/com_____.pfb/',
  's/\bucrro8a.pfb\b/coo_____.pfb/',
  's/\buhvb8a.pfb\b/hvb_____.pfb/',
  's/\buhvb8ac.pfb\b/hvnb____.pfb/',
  's/\buhvbo8a.pfb\b/hvbo____.pfb/',
  's/\buhvbo8ac.pfb\b/hvnbo___.pfb/',
  's/\buhvr8a.pfb\b/hv______.pfb/',
  's/\buhvr8ac.pfb\b/hvn_____.pfb/',
  's/\buhvro8a.pfb\b/hvo_____.pfb/',
  's/\buhvro8ac.pfb\b/hvno____.pfb/',
  's/\buncb8a.pfb\b/ncb_____.pfb/',
  's/\buncbi8a.pfb\b/ncbi____.pfb/',
  's/\buncr8a.pfb\b/ncr_____.pfb/',
  's/\buncri8a.pfb\b/nci_____.pfb/',
  's/\buplb8a.pfb\b/pob_____.pfb/',
  's/\buplbi8a.pfb\b/pobi____.pfb/',
  's/\buplr8a.pfb\b/por_____.pfb/',
  's/\buplri8a.pfb\b/poi_____.pfb/',
  's/\busyr.pfb\b/sy______.pfb/',
  's/\butmb8a.pfb\b/tib_____.pfb/',
  's/\butmbi8a.pfb\b/tibi____.pfb/',
  's/\butmr8a.pfb\b/tir_____.pfb/',
  's/\butmri8a.pfb\b/tii_____.pfb/',
  's/\buzcmi8a.pfb\b/zcmi____.pfb/',
  's/\buzdr.pfb\b/zd______.pfb/',
    );

  if ($mode eq "" || $mode eq "URWkb") {
    # do nothing
  } elsif ($mode eq "URW") {
    for my $r (@fileURW) {
      map { eval($r); } @lines;
    }
  } elsif ($mode eq "ADOBE" || $mode eq "ADOBEkb") {
    for my $r (@psADOBE) {
      map { eval($r); } @lines;
    }
    my @filemode = eval ("\@file" . $mode);
    for my $r (@filemode) {
      map { eval($r); } @lines;
    }
  }
  return @lines;
}

###############################################################################
# cidx2dvips()
#   reads from stdin, writes to stdout. It transforms "cid-x"-like syntax into
#   "dvips"-like syntax.
#
# Specifying the PS Name:
# dvips needs the PSname instead of the file name. Thus we allow specifying
# the PSname in the comment:
#       The PS Name can be specified in the font definition line
#       by including the following sequence somewhere after the
#       other components:
#
#       %!PS<SPACE-TAB><PSNAME><NON-WORD-CHAR-OR-EOL>
#
#       where
#         <SPACE-TAB> is either a space or a tab character
#         <PSNAME>    is *one* word, defined by \w\w* perl re
#         <NON-WORD-CHAR-OR-EOL> is a non-\w char or the end of line
#
# That means we could have
#       ... %here the PS font name: %!PS fontname some other comment
#       ... %!PS fontname %other comments
#       ... %!PS fontname
#
###############################################################################

# reimplementation of the cryptic code that was there before
sub cidx2dvips {
  my ($s) = @_;
  my %fname_psname = (
    # Morisawa
    'A-OTF-FutoGoB101Pr6N-Bold'  => 'FutoGoB101Pr6N-Bold',
    'A-OTF-FutoGoB101Pro-Bold'   => 'FutoGoB101Pro-Bold',
    'A-OTF-FutoMinA101Pr6N-Bold' => 'FutoMinA101Pr6N-Bold',
    'A-OTF-FutoMinA101Pro-Bold'  => 'FutoMinA101Pro-Bold',
    'A-OTF-GothicBBBPr6N-Medium' => 'GothicBBBPr6N-Medium',
    'A-OTF-GothicBBBPro-Medium'  => 'GothicBBBPro-Medium',
    'A-OTF-Jun101Pr6N-Light'     => 'Jun101Pr6N-Light',
    'A-OTF-Jun101Pro-Light'      => 'Jun101Pro-Light',
    'A-OTF-MidashiGoPr6N-MB31'   => 'MidashiGoPr6N-MB31',
    'A-OTF-MidashiGoPro-MB31'    => 'MidashiGoPro-MB31',
    'A-OTF-RyuminPr6N-Light'     => 'RyuminPr6N-Light',
    'A-OTF-RyuminPro-Light'      => 'RyuminPro-Light',
    # Hiragino font file names and PS names are the same
    #
    # IPA
    'ipaexg' => 'IPAexGothic',
    'ipaexm' => 'IPAexMincho',
    'ipag'   => 'IPAGothic',
    'ipam'   => 'IPAMincho',
    #
    # Kozuka font names and PS names are the same
    );
  my @d;
  foreach (@$s) {
    # ship empty lines and comment lines out as is
    if (m/^\s*(%.*)?$/) {
      push(@d, $_);
      next;
    }
    # get rid of new lines for now
    chomp;
    # save the line for warnings
    my $l = $_;
    # first check whether a PSname is given
    my $psname;
    #
    # the matching on \w* is greedy, so will take all the word chars available
    # that means we do not need to test for end of word
    if ($_ =~ m/%!PS\s\s*([0-9A-Za-z-_][0-9A-Za-z-_]*)/) {
      $psname = $1;
    }
    # remove comments
    s/[^0-9A-Za-z-_]*%.*$//;
    # replace supported ",SOMETHING" constructs
    my $italicmax = 0;
    if (m/,BoldItalic/) {
      $italicmax = .3;
      s/,BoldItalic//;
    }
    s/,Bold//;
    if (m/,Italic/) {
      $italicmax = .3;
      s/,Italic//;
    }
    # break out if unsupported constructs are found: @ / ,
    next if (m![\@/,]!);
    # make everything single spaced
    s/\s\s*/ /g;
    # unicode encoded fonts are not supported
    next if (m!^\w\w* unicode !);
    # now we have the following format
    #  <word> <word> <word> some options like -e or -s
    if ($_ !~ m/([^ ][^ ]*) ([^ ][^ ]*) ([^ ][^ ]*)( (.*))?$/) {
      print STDERR "cidx2dvips warning: Cannot translate font line:\n==> $l\n";
      print STDERR "Current translation status: ==>$_==\n";
      next;
    }
    my $tfmname = $1;
    my $cid = $2;
    my $fname = $3;
    my $opts = (defined($5) ? " $5" : "");
    # remove extensions from $fname
    $fname =~ s/\.[Oo][Tt][Ff]//;
    $fname =~ s/\.[Tt][Tt][FfCc]//;
    # remove leading ! from $fname
    $fname =~ s/^!//;
    # remove leading :<number>: from $fname
    $fname =~ s/:[0-9]+://;
    # remove leading space from $opt
    $opts =~ s/^\s+//;
    # replace -e and -s in the options
    $opts =~ s/-e ([.0-9-][.0-9-]*)/ "$1 ExtendFont"/;
    if (m/-s ([.0-9-][.0-9-]*)/) {
      if ($italicmax > 0) {
        # we have already a definition of SlantFont via ,Italic or ,BoldItalic
        # warn the user that larger one is kept
        print STDERR "cidx2dvips: warning: Double slant specified via Italic and -s:\n==> $l\n==> Using only the biggest slant value.\n";
      }
      $italicmax = $1 if ($1 > $italicmax);
      $opts =~ s/-s ([.0-9-][.0-9-]*)//;
    }
    if ($italicmax != 0) {
      $opts .= " \"$italicmax SlantFont\"";
    }
    # print out the result
    if (defined($psname)) {
      push @d, "$tfmname $psname-$cid$opts\n";
    } else {
      if (defined($fname_psname{$fname})) {
        push @d, "$tfmname $fname_psname{$fname}-$cid$opts\n";
      } else {
        push @d, "$tfmname $fname-$cid$opts\n";
      }
    }
  }
  return @d;
}

sub cidx2dvips_old {
    my ($s) = @_;
    my @d;
    foreach (@$s) {
      if (m/^%/) {
        push(@d, $_);
        next;
      }
      s/,BoldItalic/ -s .3/;
      s/,Bold//;
      s/,Italic/ -s .3/;
      s/\s\s*/ /g;
      if ($_ =~ /.*[@\:\/,]/) {next;}
      elsif ($_ =~ /^[^ ][^ ]* unicode /) {next;}
      s/^([^ ][^ ]* [^ ][^ ]* [^ ][^ ]*)\.[Oo][Tt][Ff]/$1/;
      s/^([^ ][^ ]* [^ ][^ ]* [^ ][^ ]*)\.[Tt][Tt][FfCc]/$1/; 
      s/$/ %/;
      s/^(([^ ]*).*)/$1$2/;
      s/^([^ ][^ ]* ([^ ][^ ]*) !*([^ ][^ ]*).*)/$1 $3-$2/;
      s/^(.* -e ([.0-9-][.0-9-]*).*)/$1 "$2 ExtendFont"/;
      s/^(.* -s ([.0-9-][.0-9-]*).*)/$1 "$2 SlantFont"/;
      s/.*%//;
      push(@d, $_);
    }
    return @d
}

sub get_cfg {
  my ($v) = @_;
  if (defined($alldata->{'merged'}{'setting'}{$v})) {
    return ( $alldata->{'merged'}{'setting'}{$v}{'val'},
             $alldata->{'merged'}{'setting'}{$v}{'origin'} );
  } else {
    return ($settings{$v}{'default'}, "default");
  }
}

sub mkMaps {
  my $logfile;

  $logfile = "$TEXMFVAR/web2c/updmap.log";

  if (! $opts{'dry-run'}) {
    mkdirhier("$TEXMFVAR/web2c");
    open LOG, ">$logfile"
        or die "$prg: Can't open log file \"$logfile\": $!";
    print LOG &version();
    printf LOG "%s\n\n", scalar localtime();
    print LOG  "Using the following config files:\n";
    for (@{$opts{'cnffile'}}) {
      print LOG "  $_\n";
    }
  }
  sub print_and_log {
    my $str=shift;
    print $str if !$opts{'quiet'};
    print LOG $str unless $opts{'dry-run'};
  }
  sub only_log {
    print LOG shift unless $opts{'dry-run'};
  }

  my ($mode, $mode_origin) = get_cfg('LW35');
  my ($dvipsPreferOutline, $dvipsPreferOutline_origin) = 
    get_cfg('dvipsPreferOutline');
  my ($dvipsDownloadBase35, $dvipsDownloadBase35_origin) = 
    get_cfg('dvipsDownloadBase35');
  my ($pdftexDownloadBase14, $pdftexDownloadBase14_origin) = 
    get_cfg('pdftexDownloadBase14');
  my ($pxdviUse, $pxdviUse_origin) = get_cfg('pxdviUse');
  my ($kanjiEmbed, $kanjiEmbed_origin) = get_cfg('kanjiEmbed');
  my ($kanjiVariant, $kanjiVariant_origin) = get_cfg('kanjiVariant');

  print_and_log ("\n$prg is creating new map files"
         . "\nusing the following configuration:"
         . "\n  LW35 font names                  : "
         .      "$mode ($mode_origin)"
         . "\n  prefer outlines                  : "
         .      "$dvipsPreferOutline ($dvipsPreferOutline_origin)"
         . "\n  texhash enabled                  : "
         .      ($opts{'nohash'} ? "false" : "true")
         . "\n  download standard fonts (dvips)  : "
         .      "$dvipsDownloadBase35 ($dvipsDownloadBase35_origin)"
         . "\n  download standard fonts (pdftex) : "
         .      "$pdftexDownloadBase14 ($pdftexDownloadBase14_origin)"
         . "\n  kanjiEmbed replacement string    : "
         .      "$kanjiEmbed ($kanjiEmbed_origin)"
         . "\n  kanjiVariant replacement string  : "
         .      "$kanjiVariant ($kanjiVariant_origin)"
         . "\n  create a mapfile for pxdvi       : "
         .      "$pxdviUse ($pxdviUse_origin)"
         . "\n\n");

  print_and_log ("Scanning for LW35 support files");
  my $dvips35 = $alldata->{'maps'}{"dvips35.map"}{'fullpath'};
  my $pdftex35 = $alldata->{'maps'}{"pdftex35.map"}{'fullpath'};
  my $ps2pk35 = $alldata->{'maps'}{"ps2pk35.map"}{'fullpath'};
  my $LW35 = "\n$dvips35\n$pdftex35\n$ps2pk35\n\n";
  only_log ("\n");
  only_log ($LW35);
  print_and_log ("  [  3 files]\n");
  only_log ("\n");

  print_and_log ("Scanning for MixedMap entries");
  my @mixedmaps;
  my @notmixedmaps;
  my @kanjimaps;
  for my $m (keys %{$alldata->{'maps'}}) {
    my $origin = $alldata->{'maps'}{$m}{'origin'};
    next if !defined($origin);
    next if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'status'} eq "disabled");
    push @mixedmaps, $m
      if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'type'} eq "MixedMap");
    push @notmixedmaps, $m
      if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'type'} eq "Map");
    push @kanjimaps, $m
      if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'type'} eq "KanjiMap");
  }

  @mixedmaps = sort @mixedmaps;
  @notmixedmaps = sort @notmixedmaps;
  @kanjimaps = sort @kanjimaps;
  only_log("\n");
  foreach my $m (sort @mixedmaps) {
    if (defined($alldata->{'maps'}{$m}{'fullpath'})) {
      only_log($alldata->{'maps'}{$m}{'fullpath'} . "\n");
    } else {
      only_log("$m (full path not set?)\n");
    }
  }
  only_log("\n");
  print_and_log (sprintf("    [%3d files]\n", scalar @mixedmaps));
  only_log("\n");

  print_and_log ("Scanning for KanjiMap entries");
  only_log("\n");
  foreach my $m (@kanjimaps) {
    if (defined($alldata->{'maps'}{$m}{'fullpath'})) {
      only_log($alldata->{'maps'}{$m}{'fullpath'} . "\n");
    } else {
      only_log("$m (full path not set?)\n");
    }
  }
  only_log("\n");
  print_and_log (sprintf("    [%3d files]\n", scalar @kanjimaps));
  only_log("\n");

  print_and_log ("Scanning for Map entries");
  only_log("\n");
  foreach my $m (@notmixedmaps) {
    if (defined($alldata->{'maps'}{$m}{'fullpath'})) {
      only_log($alldata->{'maps'}{$m}{'fullpath'} . "\n");
    } else {
      only_log("$m (full path not set?)\n");
    }
  }
  only_log("\n");
  print_and_log (sprintf("         [%3d files]\n\n", scalar @notmixedmaps));
  only_log("\n");

  # Create psfonts_t1.map, psfonts_pk.map, ps2pk.map and pdftex.map:
  my $dvipsoutputdir = $opts{'dvipsoutputdir'};
  my $pdftexoutputdir = $opts{'pdftexoutputdir'};
  my $dvipdfmxoutputdir = $opts{'dvipdfmxoutputdir'};
  my $pxdvioutputdir = $opts{'pxdvioutputdir'};
  if (!$opts{'dry-run'}) {
    my @managed_files =  ("$dvipsoutputdir/download35.map",
      "$dvipsoutputdir/builtin35.map",
      "$dvipsoutputdir/psfonts_t1.map",
      "$dvipsoutputdir/psfonts_pk.map",
      "$pdftexoutputdir/pdftex_dl14.map",
      "$pdftexoutputdir/pdftex_ndl14.map",
      "$dvipdfmxoutputdir/kanjix.map",
      "$dvipsoutputdir/ps2pk.map");
    push @managed_files, "$pxdvioutputdir/xdvi-ptex.map"
      if ($pxdviUse eq "true");
    for my $file (@managed_files) {
      open FILE, ">$file";
      print FILE "% $file:\
% maintained by updmap[-sys] (multi).\
% Don't change this file directly. Use updmap[-sys] instead.\
% See the updmap documentation.\
% A log of the run that created this file is available here:\
% $logfile\
";
      close FILE;
    }
  }

  my @kanjimaps_fonts = getFonts(@kanjimaps);
  @kanjimaps_fonts = &normalizeLines(@kanjimaps_fonts);
  my @ps2pk_fonts = getFonts('-all', "ps2pk35.map");
  my @dvips35_fonts = getFonts('-all', "dvips35.map");
  my @pdftex35_fonts = getFonts('-all', "pdftex35.map");
  my @mixedmaps_fonts = getFonts(@mixedmaps);
  my @notmixedmaps_fonts = getFonts(@notmixedmaps);

  print "Generating output for dvipdfmx...\n" if !$opts{'quiet'};
  &writeLines(">$dvipdfmxoutputdir/kanjix.map", @kanjimaps_fonts);

  if ($pxdviUse eq "true") {
    # we use the very same data as for kanjix.map, but generate
    # a different file, so that in case a user wants to hand-craft it
    print "Generating output for pxdvi...\n" if !$opts{'quiet'};
     &writeLines(">$pxdvioutputdir/xdvi-ptex.map", @kanjimaps_fonts);
  }


  print "Generating output for ps2pk...\n" if !$opts{'quiet'};
  my @ps2pk_map;
  push @ps2pk_map, "% ps2pk35.map";
  push @ps2pk_map, transLW35($mode, @ps2pk_fonts);
  push @ps2pk_map, @mixedmaps_fonts;
  push @ps2pk_map, @notmixedmaps_fonts;
  &writeLines(">$dvipsoutputdir/ps2pk.map", 
    normalizeLines(@ps2pk_map));

  print "Generating output for dvips...\n" if !$opts{'quiet'};
  my @download35_map;
  push @download35_map, "% ps2pk35.map";
  push @download35_map, transLW35($mode, @ps2pk_fonts);
  &writeLines(">$dvipsoutputdir/download35.map", 
    normalizeLines(@download35_map));

  my @builtin35_map;
  push @builtin35_map, "% dvips35.map";
  push @builtin35_map, transLW35($mode, @dvips35_fonts);
  &writeLines(">$dvipsoutputdir/builtin35.map", 
    normalizeLines(@builtin35_map));

  my @dftdvips_fonts = 
    (($dvipsDownloadBase35 eq "true") ? @ps2pk_fonts : @dvips35_fonts);

  my @psfonts_t1_map;
  if ($dvipsDownloadBase35 eq "true") {
    push @psfonts_t1_map, "% ps2pk35.map";
    @dftdvips_fonts = @ps2pk_fonts;
  } else {
    push @psfonts_t1_map, "% dvips35.map";
    @dftdvips_fonts =  @dvips35_fonts;
  }
  push @psfonts_t1_map, transLW35($mode, @dftdvips_fonts);
  my @tmpkanji2 = cidx2dvips(\@kanjimaps_fonts);
  push @psfonts_t1_map, @mixedmaps_fonts;
  push @psfonts_t1_map, @notmixedmaps_fonts;
  push @psfonts_t1_map, @tmpkanji2;
  &writeLines(">$dvipsoutputdir/psfonts_t1.map", 
    normalizeLines(@psfonts_t1_map));

  my @psfonts_pk_map;
  push @psfonts_pk_map, transLW35($mode, @dftdvips_fonts);
  push @psfonts_pk_map, @notmixedmaps_fonts;
  push @psfonts_pk_map, @tmpkanji2;
  &writeLines(">$dvipsoutputdir/psfonts_pk.map", 
    normalizeLines(@psfonts_pk_map));

  print "Generating output for pdftex...\n" if !$opts{'quiet'};
  # remove PaintType due to Sebastian's request
  my @pdftexmaps_ndl;
  push @pdftexmaps_ndl, "% pdftex35.map";
  push @pdftexmaps_ndl, transLW35($mode, @pdftex35_fonts);
  push @pdftexmaps_ndl, @mixedmaps_fonts;
  push @pdftexmaps_ndl, @notmixedmaps_fonts;
  @pdftexmaps_ndl = grep { $_ !~ m/(^%\|PaintType)/ } @pdftexmaps_ndl;

  my @pdftexmaps_dl;
  push @pdftexmaps_dl, "% ps2pk35.map";
  push @pdftexmaps_dl, transLW35($mode, @ps2pk_fonts);
  push @pdftexmaps_dl, @mixedmaps_fonts;
  push @pdftexmaps_dl, @notmixedmaps_fonts;
  @pdftexmaps_dl = grep { $_ !~ m/(^%\|PaintType)/ } @pdftexmaps_dl;

  my @pdftex_ndl14_map = @pdftexmaps_ndl;
  @pdftex_ndl14_map = &normalizeLines(@pdftex_ndl14_map);
  @pdftex_ndl14_map = &to_pdftex(@pdftex_ndl14_map);
  &writeLines(">$pdftexoutputdir/pdftex_ndl14.map", @pdftex_ndl14_map);

  my @pdftex_dl14_map = @pdftexmaps_dl;
  @pdftex_dl14_map = &normalizeLines(@pdftex_dl14_map);
  @pdftex_dl14_map = &to_pdftex(@pdftex_dl14_map);
  &writeLines(">$pdftexoutputdir/pdftex_dl14.map", @pdftex_dl14_map);

  our $link = &setupSymlinks($dvipsPreferOutline, $dvipsoutputdir, $pdftexDownloadBase14, $pdftexoutputdir);

  print_and_log ("\nFiles generated:\n");
  sub dir {
    my ($d, $f, $target)=@_;
    our $link;
    if (-e "$d/$f") {
      my @stat=lstat("$d/$f");
      my ($s,$m,$h,$D,$M,$Y)=localtime($stat[9]);
      my $timestamp=sprintf ("%04d-%02d-%02d %02d:%02d:%02d",
                             $Y+1900, $M+1, $D, $h, $m, $s);
      my $date=sprintf "%12d %s %s", $stat[7], $timestamp, $f;
      print_and_log ($date);

      if (-l "$d/$f") {
        my $lnk=sprintf " -> %s\n", readlink ("$d/$f");
        print_and_log ($lnk);
      } elsif ($f eq $target) {
        if (&files_are_identical("$d/$f", "$d/" . $link->{$target})) {
          print_and_log (" = $link->{$target}\n");
        } else {
          print_and_log (" = ?????\n"); # This shouldn't happen.
        }
      } else {
        print_and_log ("\n");
      }
    } else {
      print STDERR "Warning: File $d/$f doesn't exist.\n";
      print LOG    "Warning: File $d/$f doesn't exist.\n" 
        unless $opts{'dry-run'};
    }
  }

  my $d;
  $d = "$dvipsoutputdir";
  print_and_log("  $d:\n");
  foreach my $f ('builtin35.map', 'download35.map', 'psfonts_pk.map',
                 'psfonts_t1.map', 'ps2pk.map', 'psfonts.map') {
    dir ($d, $f, 'psfonts.map');
    $updLSR->{add}("$d/$f") unless $opts{'dry-run'};
  }
  $d = "$pdftexoutputdir";
  print_and_log("  $d:\n");
  foreach my $f ('pdftex_dl14.map', 'pdftex_ndl14.map', 'pdftex.map') {
    dir ($d, $f, 'pdftex.map');
    $updLSR->{add}("$d/$f") unless $opts{'dry-run'};
  }
  $d="$dvipdfmxoutputdir";
  print_and_log("  $d:\n");
  foreach my $f ('kanjix.map') {
    dir ($d, $f, '');
    $updLSR->{add}("$d/$f") unless $opts{'dry-run'};
  }
  if ($pxdviUse eq "true") {
    $d="$pxdvioutputdir";
    print_and_log("  $d:\n");
    foreach my $f ('xdvi-ptex.map') {
      dir ($d, $f, '');
      $updLSR->{add}("$d/$f") unless $opts{'dry-run'};
    }
  }
  close LOG unless $opts{'dry-run'};
  print "\nTranscript written on \"$logfile\".\n" if !$opts{'quiet'};

}


sub locateMap {
  my $map = shift;
  my $ret = `kpsewhich --format=map $map`;
  chomp($ret);
  return $ret;
}

sub processOptions {
  # first process the stupid setoption= s@{1,2} which is not accepted
  # furthermore, try to work around missing s{1,2} support in older perls
  my $oldconfig = Getopt::Long::Configure(qw(pass_through));
  our @setoptions;
  our @enable;
  sub read_one_or_two {
    my ($opt, $val) = @_;
    our @setoptions;
    our @enable;
    # check if = occirs in $val, if not, get the next argument
    if ($val =~ m/=/) {
      if ($opt eq "setoption") {
        push @setoptions, $val;
      } else {
        push @enable, $val;
      }
    } else {
      my $vv = shift @ARGV;
      die "Try \"$prg --help\" for more information.\n"
        if !defined($vv);
      if ($opt eq "setoption") {
        push @setoptions, "$val=$vv";
      } else {
        push @enable, "$val=$vv";
      }
    }
  }
  GetOptions("setoption=s@" => \&read_one_or_two,
             "enable=s@"    => \&read_one_or_two) or
    die "Try \"$prg --help\" for more information.\n";

  @{$opts{'setoption'}} = @setoptions if (@setoptions);
  @{$opts{'enable'}} = @enable if (@enable);

  Getopt::Long::Configure($oldconfig);

  # now continue with normal option handling

  GetOptions(\%opts, @cmdline_options) or 
    die "Try \"$prg --help\" for more information.\n";
}

# determines the output dir for driver from cmd line, or if not given
# from TEXMFVAR
sub setupOutputDir {
  my $driver = shift;
  if (!$opts{$driver . "outputdir"}) {
    if ($opts{'outputdir'}) {
      $opts{$driver . "outputdir"} = $opts{'outputdir'};
    } else {
      $opts{$driver . "outputdir"} = "$TEXMFVAR/fonts/map/$driver/updmap";
    }
  }
  my $od = $opts{$driver . "outputdir"};
  if (!$opts{"dry-run"}) {
    &mkdirhier($od);
    if (! -w $od) {
      die "$prg: Directory \"$od\" isn't writable: $!";
    }
  }
  print "$driver output dir: \"$od\"\n" if !$opts{'quiet'};
  return $od;
}

###############################################################################
# setOption (@options)
#   parse @options for "key=value" (one element of @options)
#   we can only have "key=value" since that is the way it was prepared
#   in process_options
#   (These were the values provided to --setoption.)
#   
sub setOptions {
  my (@options) = @_;
  for (my $i = 0; $i < @options; $i++) {
    my $o = $options[$i];

    my ($key,$val) = split (/=/, $o, 2);
    
    die "$prg: unexpected empty key or val for options (@options), goodbye.\n"
      if !$key || !defined($val);

    &setOption ($key, $val);
  }
  return save_updmap($alldata->{'changes_config'});
}

sub enable_disable_maps {
  my (@what) = @_;
  my $tc = $alldata->{'changes_config'};
  die "$prg: top config file $tc has not been read."
    if (!defined($alldata->{'updmap'}{$tc}));
  my $changed = 0;

  for my $w (@what) {
    if ($w =~ m/=/) {
      # this is --enable MapType=MapName
      my ($type, $map) = split ('=', $w);
      enable_map($tc, $type, $map);
    } else {
      # this is --disable MapName
      disable_map($tc, $w);
    }
  }
  return save_updmap($tc);
}

sub enable_map {
  my ($tc, $type, $map) = @_;

  die "$prg: invalid mapType $type" if ($type !~ m/^(Map|MixedMap|KanjiMap)$/);

  if (defined($alldata->{'updmap'}{$tc}{'maps'}{$map})) {
    # the map data has already been read in, no special precautions necessary
    if (($alldata->{'updmap'}{$tc}{'maps'}{$map}{'status'} eq "enabled") &&
        ($alldata->{'updmap'}{$tc}{'maps'}{$map}{'type'} eq $type)) {
      # nothing to do here ... be happy!
      return;
    } else {
      $alldata->{'updmap'}{$tc}{'maps'}{$map}{'status'} = "enabled";
      $alldata->{'updmap'}{$tc}{'maps'}{$map}{'type'} = $type;
      $alldata->{'maps'}{$map}{'origin'} = $tc;
      $alldata->{'maps'}{$map}{'status'} = "enabled";
      $alldata->{'updmap'}{$tc}{'changed'} = 1;
    }
  } else {
    # add a new map file!
    $alldata->{'updmap'}{$tc}{'maps'}{$map}{'type'} = $type;
    $alldata->{'updmap'}{$tc}{'maps'}{$map}{'status'} = "enabled";
    $alldata->{'updmap'}{$tc}{'maps'}{$map}{'line'} = -1;
    $alldata->{'updmap'}{$tc}{'changed'} = 1;
    $alldata->{'maps'}{$map}{'origin'} = $tc;
    $alldata->{'maps'}{$map}{'status'} = "enabled";
  }
}

sub disable_map {
  my ($tc, $map) = @_;

  if (defined($alldata->{'updmap'}{$tc}{'maps'}{$map})) {
    # the map data has already been read in, no special precautions necessary
    if ($alldata->{'updmap'}{$tc}{'maps'}{$map}{'status'} eq "disabled") {
      # nothing to do here ... be happy!
    } else {
      $alldata->{'updmap'}{$tc}{'maps'}{$map}{'status'} = "disabled";
      $alldata->{'maps'}{$map}{'origin'} = $tc;
      $alldata->{'maps'}{$map}{'status'} = "disabled";
      $alldata->{'updmap'}{$tc}{'changed'} = 1;
    }
  } else {
    # disable a Map type that might be activated in a lower ranked updmap.cfg
    if (!defined($alldata->{'maps'}{$map})) {
      warning("Map is not present anywhere, why should I disable it?\n");
      return;
    }
    my $orig = $alldata->{'maps'}{$map}{'origin'};
    # add a new entry to the top level where we disable it
    # copy over the type from the last entry
    $alldata->{'updmap'}{$tc}{'maps'}{$map}{'type'} = 
      $alldata->{'updmap'}{$orig}{'maps'}{$map}{'type'};
    $alldata->{'updmap'}{$tc}{'maps'}{$map}{'status'} = "disabled";
    $alldata->{'updmap'}{$tc}{'maps'}{$map}{'line'} = -1;
    # rewrite the origin
    $alldata->{'maps'}{$map}{'origin'} = $tc;
    $alldata->{'maps'}{$map}{'status'} = "disabled";
    # go on for writing
    $alldata->{'updmap'}{$tc}{'changed'} = 1;
  }
}


# returns 1 if actually saved due to changes
sub save_updmap {
  my $fn = shift;
  return if $opts{'dry-run'};
  my %upd = %{$alldata->{'updmap'}{$fn}};
  if ($upd{'changed'}) {
    mkdirhier(dirname($fn));
    open (FN, ">$fn") || die "$prg: can't write to $fn: $!";
    my @lines = @{$upd{'lines'}};
    if (!@lines) {
      print "Creating new config file $fn\n";
      # update lsR database
      $updLSR->{add}($fn);
      $updLSR->{exec}();
      # reset the LSR stuff, otherwise we add files several times
      $updLSR->{reset}();
    }
    # collect the lines with data
    my %line_to_setting;
    my %line_to_map;
    my @add_setting;
    my @add_map;
    if (defined($upd{'setting'})) {
      for my $k (keys %{$upd{'setting'}}) {
        if ($upd{'setting'}{$k}{'line'} == -1) {
          push @add_setting, $k;
        } else {
          $line_to_setting{$upd{'setting'}{$k}{'line'}} = $k;
        }
      }
    }
    if (defined($upd{'maps'})) {
      for my $k (keys %{$upd{'maps'}}) {
        if ($upd{'maps'}{$k}{'line'} == -1) {
          push @add_map, $k;
        } else {
          $line_to_map{$upd{'maps'}{$k}{'line'}} = $k;
        }
      }
    }
    for my $i (0..$#lines) {
      if (defined($line_to_setting{$i})) {
        my $k = $line_to_setting{$i};
        my $v = $upd{'setting'}{$k}{'val'};
        print FN "$k $v\n";
      } elsif (defined($line_to_map{$i})) {
        my $m = $line_to_map{$i};
        my $rm;
        if (defined($upd{'maps'}{$m}{'original'})) {
          # we have the case that @noEmbed@ was replaced by the respective
          # setting. Before writing out we have to replace this back with
          # the original line!A
          $rm = $upd{'maps'}{$m}{'original'};
        } else {
          $rm = $m;
        }
        my $t = $upd{'maps'}{$m}{'type'};
        my $p = ($upd{'maps'}{$m}{'status'} eq "disabled" ? "#! " : "");
        print FN "$p$t $rm\n";
      } else {
        print FN "$lines[$i]\n";
      }
    }
    # add the new settings and maps
    for my $k (@add_setting) {
      my $v = $upd{'setting'}{$k}{'val'};
      print FN "$k $v\n";
    }
    for my $m (@add_map) {
      my $t = $upd{'maps'}{$m}{'type'};
      my $p = ($upd{'maps'}{$m}{'status'} eq "disabled" ? "#! " : "");
      print FN "$p$t $m\n";
    }
    close(FN) || warn("Cannot close file handle for $fn: $!");
    delete $alldata->{'updmap'}{$fn}{'changed'};
    return 1;
  }
  return 0;
}

######################
# check for correct option value
#
sub check_option {
  my ($opt, $val) = @_;
  if ((($settings{$opt}{'type'} eq "binary") && 
       $val ne "true" && $val ne "false") ||
      (($settings{$opt}{'type'} eq "string") &&
       !member($val, @{$settings{$opt}{'possible'}}))) {
    return 0;
  }
  return 1;
}

###############################################################################
# setOption (conf_file, option, value)
#   sets option to value in the config file (replacing the existing setting
#   or by adding a new line to the config file).
#
sub setOption {
  my ($opt, $val) = @_;

  die "$prg: Unsupported option $opt." if (!defined($settings{$opt}));
  die "$0: Invalid value $val for option $opt." 
    if (!check_option($opt, $val));

  # silently accept this old option name, just in case.
  return if $opt eq "dvipdfmDownloadBase14";
  
  #print "Setting option $opt to $val...\n" if !$opts{'quiet'};
  my $tc = $alldata->{'changes_config'};

  die "$prg: top config file $tc has not been read."
    if (!defined($alldata->{'updmap'}{$tc}));

  if (defined($alldata->{'updmap'}{$tc}{'setting'}{$opt}{'val'})) {
    # the value is already set, do nothing
    if ($alldata->{'updmap'}{$tc}{'setting'}{$opt}{'val'} eq $val) {
      return;
    }
    $alldata->{'updmap'}{$tc}{'setting'}{$opt}{'val'} = $val;
    $alldata->{'updmap'}{$tc}{'changed'} = 1;
  } else {
    $alldata->{'updmap'}{$tc}{'setting'}{$opt}{'val'} = $val;
    $alldata->{'updmap'}{$tc}{'setting'}{$opt}{'line'} = -1;
    $alldata->{'updmap'}{$tc}{'changed'} = 1;
  }
}


###############################################################################
# copyFile()
#   copy file $src to $dst, sets $dst creation and mod time
#
sub copyFile {
  my ($src, $dst) = @_;
  my $dir;
  ($dir=$dst)=~s/(.*)\/.*/$1/;
  mkdirhier($dir);

  $src eq $dst && return "can't copy $src to itself!\n";

  open IN, "<$src" or die "$0: can't open source file $src for copying: $!";
  open OUT, ">$dst";

  binmode(IN);
  binmode(OUT);
  print OUT <IN>;
  close(OUT);
  close(IN);
  my @t = stat($src);
  utime($t[8], $t[9], $dst);
}

###############################################################################
# files_are_identical(file_A, file_B)
#   compare two files.  Same as cmp(1).
#
sub files_are_identical {
  my $file_A=shift;
  my $file_B=shift;
  my $retval=0;

  open IN, "$file_A";
  my $A=(<IN>);
  close IN;
  open IN, "$file_B";
  my $B=(<IN>);
  close IN;

  $retval=1 if ($A eq $B);
  return $retval;
}

###############################################################################
# files_are_different(file_A, file_B[, comment_char])
#   compare two equalized files.
#
sub files_are_different {
  my $file_A=shift;
  my $file_B=shift;
  my $comment=shift;
  my $retval=0;

  my $A=equalize_file("$file_A", $comment);
  my $B=equalize_file("$file_B", $comment);
  $retval=1 unless ($A eq $B);
  return $retval;
}

###############################################################################
# equalize_file(filename[, comment_char])
#   read a file and return its processed content as a string.
#   look into the source code for more details.
#
sub equalize_file {
  my $file=shift;
  my $comment=shift;
  my @temp;

  open IN, "$file";
  my @lines = (<IN>);
  close IN;
  chomp(@lines);

  for (@lines) {
    s/\s*${comment}.*// if (defined $comment); # remove comments
    next if /^\s*$/;                           # remove empty lines
    s/\s+/ /g;     # replace multiple whitespace chars by a single one
    push @temp, $_;
  }
  return join('X', sort(@temp));
}

###############################################################################
# normalizeLines()
#   not the original function, we want it to keep comments, that are
#   anyway only the file names we are adding!
#   whitespace is exactly one space, no empty lines,
#   no whitespace at end of line, one space before and after "
#
sub normalizeLines {
  my @lines = @_;
  my %count = ();

  # @lines = grep { $_ !~ m/^[*#;%]/ } @lines;
  map {$_ =~ s/\s+/ /gx } @lines;
  @lines = grep { $_ !~ m/^\s*$/x } @lines;
  map { $_ =~ s/\s$//x ;
        $_ =~ s/\s*\"\s*/ \" /gx;
        $_ =~ s/\" ([^\"]*) \"/\"$1\"/gx;
      } @lines;

  # @lines = grep {++$count{$_} < 2 } (sort @lines);
  @lines = grep {++$count{$_} < 2 } (@lines);

  return @lines;
}


#################################################################
#
# reading updmap-cfg files and the actual map files
#
# the following hash saves *all* the information and is passed around
# we do not fill everything from the very beginning to make sure that
# we only read what is necessary (speed!)
#
# initialized by main
# $alldata->{'changes_config'} = the config file where changes are saved
#
# initialized by read_updmap_files
# $alldata->{'order'} = [ list of updmap in decreasing priority ]
# $alldata->{'updmap'}{$full_path_name_of_updmap}{'lines'} = \@lines
# $alldata->{'updmap'}{$full_path_name_of_updmap}{'setting'}{$key}{'val'} = $val
# $alldata->{'updmap'}{$full_path_name_of_updmap}{'setting'}{$key}{'line'} = $i
# $alldata->{'updmap'}{$full_path_name_of_updmap}{'maps'}{$mapname}{'type'} 
#            = 'Map'|'MixedMap'|'KanjiMap'|'disabled'
# $alldata->{'updmap'}{$full_path_name_of_updmap}{'maps'}{$mapname}{'status'} 
#            = 'enabled'|'disabled'
# $alldata->{'updmap'}{$full_path_name_of_updmap}{'maps'}{$mapname}{'line'} = $i
# $alldata->{'maps'}{$m}{'origin'} = $updmap_path_name
# $alldata->{'maps'}{$m}{'status'} = enabled | disabled
#
# initialized by read_map_files
# $alldata->{'maps'}{$m}{'fonts'}{$font} = $definition
# $alldata->{'fonts'}{$f}{'origin'} = $map
#
# initialized by merge_data
# $alldata->{'merged'}{'setting'}{$key}{'val'} = $val
# $alldata->{'merged'}{'setting'}{$key}{'origin'} = $origin_updmap_cfg
# $alldata->{'merged'}{'allMaps'}{'fonts'}{$fontdef} = $rest
# $alldata->{'merged'}{'noMixedMaps'}{'fonts'}{$fontdef} = $rest
# $alldata->{'merged'}{'KanjiMaps'}{'fonts'}{$fontdef} = $rest
#

sub read_updmap_files {
  my (@l) = @_;
  for my $l (@l) {
    my $updmap = read_updmap_file($l);
    $alldata->{'updmap'}{$l}{'lines'} = $updmap->{'lines'};
    if (defined($updmap->{'setting'})) {
      for my $k (keys %{$updmap->{'setting'}}) {
        $alldata->{'updmap'}{$l}{'setting'}{$k}{'val'} = $updmap->{'setting'}{$k}{'val'};
        $alldata->{'updmap'}{$l}{'setting'}{$k}{'line'} = $updmap->{'setting'}{$k}{'line'};
      }
    }
    if (defined($updmap->{'maps'})) {
      for my $k (keys %{$updmap->{'maps'}}) {
        $alldata->{'updmap'}{$l}{'maps'}{$k}{'type'} = $updmap->{'maps'}{$k}{'type'};
        $alldata->{'updmap'}{$l}{'maps'}{$k}{'status'} = $updmap->{'maps'}{$k}{'status'};
        $alldata->{'updmap'}{$l}{'maps'}{$k}{'line'} = $updmap->{'maps'}{$k}{'line'};
      }
    }
  }
  # in case the changes_config is a new one read it in and initialize it here
  my $cc = $alldata->{'changes_config'};
  if (! -r $cc) {
    $alldata->{'updmap'}{$cc}{'lines'} = [ ];
  }
  #
  $alldata->{'order'} = \@l;
}

sub merge_settings_replace_kanji {
  #
  my @l = @{$alldata->{'order'}};
  #
  # for security clean out everything that was there
  %{$alldata->{'merged'}} = ();
  #
  # first read in the settings
  # we read it in *reverse* order and simple fill up the combined data
  # thus if there are multiple definitions/settings, the one coming from
  # the first in the original list will win!
  for my $l (reverse @l) {
    # merge settings
    if (defined($alldata->{'updmap'}{$l}{'setting'})) {
      for my $k (keys %{$alldata->{'updmap'}{$l}{'setting'}}) {
        $alldata->{'merged'}{'setting'}{$k}{'val'} = $alldata->{'updmap'}{$l}{'setting'}{$k}{'val'};
        $alldata->{'merged'}{'setting'}{$k}{'origin'} = $l;
      }
    }
  }
  #
  my ($kanjiEmbed, $kanjiEmbed_origin) = get_cfg('kanjiEmbed');
  my ($kanjiVariant, $kanjiVariant_origin) = get_cfg('kanjiVariant');
  #
  # go through all map files and check that the text is properly replaced
  # after the replacement check that the generated map file actually
  # exists, we do NOT want to break in this case!
  #
  for my $l (@l) {
    for my $m (keys %{$alldata->{'updmap'}{$l}{'maps'}}) {
      if ($m =~ m/\@kanjiEmbed@/ || $m =~ m/\@kanjiVariant@/) {
        my $newm = $m;
        $newm =~ s/\@kanjiEmbed@/$kanjiEmbed/;
        $newm =~ s/\@kanjiVariant@/$kanjiVariant/;
        if (locateMap($newm)) {
          # now we have to update various linked items
          $alldata->{'updmap'}{$l}{'maps'}{$newm}{'type'} =
            $alldata->{'updmap'}{$l}{'maps'}{$m}{'type'};
          $alldata->{'updmap'}{$l}{'maps'}{$newm}{'status'} =
            $alldata->{'updmap'}{$l}{'maps'}{$m}{'status'};
          $alldata->{'updmap'}{$l}{'maps'}{$newm}{'line'} =
            $alldata->{'updmap'}{$l}{'maps'}{$m}{'line'};
          $alldata->{'updmap'}{$l}{'maps'}{$newm}{'original'} = $m;
        } else {
          print "$prg: generated map $newm (from $m) does not exists, not activating it!\n";
        }
        # in any case delete the @kanji...@ entry line, such a map will
        # never exist
        delete $alldata->{'updmap'}{$l}{'maps'}{$m};
      }
    }
  }
  #
  # first round determine which maps should be used and which type, as
  # different updmap.cfg files might specify different types of maps
  # (MixedMap or Map or KanjiMap).
  # Again, we have to do that in reverse order
  for my $l (reverse @l) {
    if (defined($alldata->{'updmap'}{$l}{'maps'})) {
      for my $m (keys %{$alldata->{'updmap'}{$l}{'maps'}}) {
        $alldata->{'maps'}{$m}{'origin'} = $l;
        $alldata->{'maps'}{$m}{'status'} = $alldata->{'updmap'}{$l}{'maps'}{$m}{'status'};
      }
    }
  }
}

sub read_updmap_file {
  my $fn = shift;
  my $is_old_local = ($fn =~ m/updmap-local.cfg/ ? 1 : 0);
  my %data;
  if (!open(FN,"<$fn")) {
    die ("Cannot read $fn: $!");
  }
  # we count lines from 0 ..!!!!
  my $i = -1;
  my @lines = <FN>;
  chomp(@lines);
  $data{'lines'} = [ @lines ];
  close(FN) || warn("Cannot close $fn: $!");
  for (@lines) {
    $i++;
    chomp;
    if ($is_old_local) {
      # in case we read an old updmap-local.cfg we have to make sure
      # that the disable lines
      #       ^#!foo.map
      # are rewritten to proper disable lines
      #       ^#! Map foo.map
      # we are guessing here the type of the map (namely Map)
      $_ =~ s/^#!([^ ])/#! Map $1/;
    }
    next if /^\s*$/;
    next if /^\s*#$/;
    next if /^\s*#[^!]/;
    next if /^\s*##/;
    next if /^#![^ ]/;
    # allow for commands on the line itself
    s/([^#].*)#.*$/$1/;
    my ($a, $b, @rest) = split ' ';
    # make sure we get empty strings as arguments
    $b = "" if (!defined($b));
    if ($a eq "#!") {
      if ($b eq "Map" || $b eq "MixedMap" || $b eq "KanjiMap") {
        my $c = shift @rest;
        if (!defined($c)) {
          warning("$prg: apparently not a real disable line, ignored: $_\n");
        } else {
          if (defined($data{'maps'}{$c})) {
            warning("$prg: double mention of $c in $fn\n");
          }
          $data{'maps'}{$c}{'status'} = 'disabled';
          $data{'maps'}{$c}{'type'} = $b;
          $data{'maps'}{$c}{'line'} = $i;
        }
      }
      next;
    }
    if (@rest) {
      warning("$prg: line $i in $fn contains a syntax error, more than two words!\n");
    }
    if (defined($settings{$a})) {
      if (check_option($a, $b)) {
        $data{'setting'}{$a}{'val'} = $b;
        $data{'setting'}{$a}{'line'} = $i;
      } else {
        warning("$prg: unknown setting for $a: $b, ignored!\n");
      }
    } elsif ($a eq "Map" || $a eq "MixedMap" || $a eq "KanjiMap") {
      if (defined($data{'maps'}{$b}) && $data{'maps'}{$b}{'type'} ne $a) {
        warning("$prg: double mention of $b with conflicting types in $fn\n");
      } else {
        $data{'maps'}{$b}{'type'} = $a;
        $data{'maps'}{$b}{'status'} = 'enabled';
        $data{'maps'}{$b}{'line'} = $i;
      }
    } else {
      warning("$prg: unrecognized line $i in $fn: $_\n");
    }
  }
  return \%data;
}

sub read_map_files {
  if (!defined($alldata->{'updmap'})) {
    return;
  }
  my @missing;
  my @l = @{$alldata->{'order'}};
  # first collect all the map files we are interested in
  # and determine whether they exist, and get their full path
  my @maps;
  for my $f (@l) {
    next if !defined($alldata->{'updmap'}{$f}{'maps'});
    for my $m (keys %{$alldata->{'updmap'}{$f}{'maps'}}) {
      # only read a map file if its final status is enabled!
      push @maps, $m if ($alldata->{'maps'}{$m}{'status'} eq 'enabled');
    }
  }
  for my $m (qw/dvips35.map pdftex35.map ps2pk35.map/) {
    push @maps, $m;
    $alldata->{'maps'}{$m}{'status'} = 'enabled';
  }
  @maps = sort_uniq(@maps);
  my @fullpath = `kpsewhich --format=map @maps`;
  chomp @fullpath;
  foreach my $map (@maps) {
    my ($ff) = grep /\/$map(\.map)?$/, @fullpath;
    if ($ff) {
      $alldata->{'maps'}{$map}{'fullpath'} = $ff;
    } else {
      # if the map file is not found, then push it onto the list of 
      # missing map files, since we know that it is enabled
      push @missing, $map;
    }
  }

  #
  # read in the three basic fonts definition maps
  for my $m (qw/dvips35.map pdftex35.map ps2pk35.map/) {
    my $ret = read_map_file($alldata->{'maps'}{$m}{'fullpath'});
    my @ff = ();
    for my $font (keys %$ret) {
      $alldata->{'fonts'}{$font}{'origin'} = $m;
      $alldata->{'maps'}{$m}{'fonts'}{$font} = $ret->{$font};
    }
  }
  # we read the updmap in reverse directions, since we
  # replace the origin field of font definition always with the
  # top one
  for my $f (reverse @l) {
    my @maps = keys %{$alldata->{'updmap'}{$f}{'maps'}};
    for my $m (@maps) {
      # we do not read a map file multiple times, if $alldata{'maps'}{$m} is
      # defined we expect that it was read and do skip it
      next if defined($alldata->{'maps'}{$m}{'fonts'});
      # we do not read a map files content if it is disabled
      next if ($alldata->{'maps'}{$m}{'status'} eq 'disabled');
      if (!defined($alldata->{'maps'}{$m}{'fullpath'})) {
        # we have already pushed these map files onto the list of missing
        # map files, so do nothing here
        next;
      }
      my $ret = read_map_file($alldata->{'maps'}{$m}{'fullpath'});
      if (defined($ret)) {
        for my $font (keys %$ret) {
          if (defined($alldata->{'fonts'}{$font})) {
            # we got another definition, warn on that
            # if the origin is not defined by now, the font is defined
            # multiple times in the same map file, otherwise it is
            # defined in another map file already
            if (defined($alldata->{'fonts'}{$font}{'origin'})) {
              my $fontorig = $alldata->{'fonts'}{$font}{'origin'};
              my $maporig;
              if (($fontorig eq "ps2pk35.map") ||
                  ($fontorig eq "pdftex35.map") ||
                  ($fontorig eq "dvips35.map")) {
                $maporig = "built in map - both used - warning!";
              } else {
                $maporig = "from " . $alldata->{'maps'}{$fontorig}{'origin'};
              }
              warning("$prg: font $font is defined multiple times:\n");
              warning("$prg:   $fontorig ($maporig)\n");
              warning("$prg:   $m (from $f) (used)\n");
            } else {
              warning("$prg: font $font is multiply defined in $m, using an arbitrary instance!\n");
            }
          }
          $alldata->{'fonts'}{$font}{'origin'} = $m;
          $alldata->{'maps'}{$m}{'fonts'}{$font} = $ret->{$font};
        }
      }
    }
  }
  return (@missing);
}

sub read_map_file {
  my $fn = shift;
  my @lines;
  if (!open(MF,"<$fn")) {
    warn("cannot open $fn: $!");
    return;
  }
  @lines = <MF>;
  close(MF);
  chomp(@lines);
  my %data;
  for (@lines) {
    next if /^\s*#/;
    next if /^\s*%/;
    next if /^\s*$/;
    my ($a, $b) = split(' ', $_, 2);
    $data{$a} = $b;
  }
  return \%data;
}

#
# merging the various font definitions
#
sub merge_data {
  my @l = @{$alldata->{'order'}};
  #
  # now merge the data
  #
  for my $m (keys %{$alldata->{'maps'}}) {
    my $origin = $alldata->{'maps'}{$m}{'origin'};
    next if !defined($origin);
    next if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'status'} eq "disabled");
    for my $f (keys %{$alldata->{'maps'}{$m}{'fonts'}}) {
      # use the font definition only for those fonts where the origin matches
      if ($alldata->{'fonts'}{$f}{'origin'} eq $m) {
        $alldata->{'merged'}{'allMaps'}{'fonts'}{$f} = 
          $alldata->{'maps'}{$m}{'fonts'}{$f}
            if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'type'} ne "KanjiMap");
        $alldata->{'merged'}{'noMixedMaps'}{'fonts'}{$f} = 
          $alldata->{'maps'}{$m}{'fonts'}{$f}
            if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'type'} eq "Map");
        $alldata->{'merged'}{'KanjiMap'}{'fonts'}{$f} = 
          $alldata->{'maps'}{$m}{'fonts'}{$f}
            if ($alldata->{'updmap'}{$origin}{'maps'}{$m}{'type'} eq "KanjiMap");
      }
    }
  }
}


#
# $HOME and sudo and updmap-sys horror
#   some instances of sudo do not reset $HOME to the home of root
#   as an effect of "sudo updmap" creates root owned files in the home 
#   of a normal user, and "sudo updmap-sys" uses map files and updmap.cfg
#   files from the directory of a normal user, but creating files
#   in TEXMFSYSCONFIG. This is *all* wrong.
#   we check: if we are running as UID 0 (root) on Unix and the
#   ENV{HOME} is NOT the same as the one of root, then give a warning
#   and reset it to the real home dir of root.

sub reset_root_home {
  if (!win32() && ($> == 0)) {  # $> is effective uid
    my $envhome = $ENV{'HOME'};
    # if $HOME isn't an existing directory, we don't care.
    if (defined($envhome) && (-d $envhome)) {
      # we want to avoid calling getpwuid as far as possible, so if
      # $envhome is one of some usual values we accept it without worrying.
      if ($envhome =~ m,^(/|/root|/var/root)/*$,) {
        return;
      }
      # $HOME is defined, check what is the home of root in reality
      my (undef,undef,undef,undef,undef,undef,undef,$roothome) = getpwuid(0);
      if (defined($roothome)) {
        if ($envhome ne $roothome) {
          # warning("$prg: resetting \$HOME value (was $envhome) to root's "
          #  . "actual home ($roothome).\n");
          $ENV{'HOME'} = $roothome;
        } else {
          # envhome and roothome do agree, nothing to do, that is the good case
        }
      } else { 
        warning("$prg: home of root not defined, strange!\n");
      }
    }
  }
}

sub warning {
  print STDERR @_;
}

#
# help, version etc etc
#

sub version {
  my $ret = sprintf "%s (TeX Live, multi) version %s\n", $prg, $version;
  return $ret;
}

sub help {
  my $usage = <<"EOF";
Usage: $prg     [OPTION] ... [COMMAND]
   or: $prg-sys [OPTION] ... [COMMAND]

Update the default font map files used by pdftex, dvips, and dvipdfm(x),
and optionally pxdvi, as determined by all configuration files updmap.cfg 
(the ones returned by running "kpsewhich --all updmap.cfg", but see below).

Among other things, these map files are used to determine which fonts
should be used as bitmaps and which as outlines, and to determine which
font files are included in the PDF or PostScript output.

By default, the TeX filename database (ls-R) is also updated.

Options:
  --cnffile FILE            read FILE for the updmap configuration 
                             (can be given multiple times, in which case
                             all the files are used)
  --dvipdfmxoutputdir DIR   specify output directory (dvipdfm(x) syntax)
  --dvipsoutputdir DIR      specify output directory (dvips syntax)
  --pdftexoutputdir DIR     specify output directory (pdftex syntax)
  --pxdvioutputdir DIR      specify output directory (pxdvi syntax)
  --outputdir DIR           specify output directory (for all files)
  --copy                    cp generic files rather than using symlinks
  --force                   recreate files even if config hasn't changed
  --nomkmap                 do not recreate map files
  --nohash                  do not run texhash
  -n, --dry-run             only show the configuration, no output
  --quiet, --silent         reduce verbosity

Commands:
  --help                    show this message and exit
  --version                 show version information and exit
  --showoption OPTION       show the current setting of OPTION
  --showoptions OPTION      show possible settings for OPTION
  --setoption OPTION VALUE  set OPTION to value; option names below
  --setoption OPTION=VALUE  as above, just different syntax
  --enable MAPTYPE MAPFILE  add "MAPTYPE MAPFILE" to updmap.cfg,
                             where MAPTYPE is Map, MixedMap, or KanjiMap
  --enable Map=MAPFILE      add \"Map MAPFILE\" to updmap.cfg
  --enable MixedMap=MAPFILE add \"MixedMap MAPFILE\" to updmap.cfg
  --enable KanjiMap=MAPFILE add \"KanjiMap MAPFILE\" to updmap.cfg
  --disable MAPFILE         disable MAPFILE, of whatever type
  --listmaps                list all active and inactive maps
  --listavailablemaps       same as --listmaps, but without
                             unavailable map files
  --syncwithtrees           disable unavailable map files in updmap.cfg

Explanation of the map types: the (only) difference between Map and
MixedMap is that MixedMap entries are not added to psfonts_pk.map.
The purpose is to help users with devices that render Type 1 outline
fonts worse than mode-tuned Type 1 bitmap fonts.  So, MixedMap is used
for fonts that are available as both Type 1 and Metafont.
KanjiMap entries are added to psfonts_t1.map and kanjix.map.

Explanation of the OPTION names for --showoptions, --showoption, --setoption:

  dvipsPreferOutline    true|false  (default true)
    Whether dvips uses bitmaps or outlines, when both are available.
  dvipsDownloadBase35   true|false  (default true)
    Whether dvips includes the standard 35 PostScript fonts in its output.
  pdftexDownloadBase14  true|false   (default true)
    Whether pdftex includes the standard 14 PDF fonts in its output.
  pxdviUse              true|false  (default false)
    Whether maps for pxdvi (Japanese-patched xdvi) are under updmap's control.
  kanjiEmbed            (any string)
  kanjiVariant          (any string)
    See below.
  LW35                  URWkb|URW|ADOBEkb|ADOBE  (default URWkb)
    Adapt the font and file names of the standard 35 PostScript fonts.
    URWkb    URW fonts with "berry" filenames    (e.g. uhvbo8ac.pfb)
    URW      URW fonts with "vendor" filenames   (e.g. n019064l.pfb)
    ADOBEkb  Adobe fonts with "berry" filenames  (e.g. phvbo8an.pfb)
    ADOBE    Adobe fonts with "vendor" filenames (e.g. hvnbo___.pfb)

  These options are only read and acted on by updmap; dvips, pdftex, etc.,
  do not know anything about them.  They work by changing the default map
  file which the programs read, so they can be overridden by specifying
  command-line options or configuration files to the programs, as
  explained at the beginning of updmap.cfg.

  The options kanjiEmbed and kanjiVariant specify special replacements
  in the map lines.  If a map contains the string \@kanjiEmbed\@, then
  this will be replaced by the value of that option; similarly for
  kanjiVariant.  In this way, users of Japanese TeX can select different
  fonts to be included in the final output.

Explanation of trees and files normally used:

  If --cnffile is specified on the command line (possibly multiple
  times), its value(s) are used.  Otherwise, updmap reads all the
  updmap.cfg files found by running \`kpsewhich -all updmap.cfg', in the
  order returned by kpsewhich, with one exception: an updmap.cfg found
  in TEXMFLOCAL is given higher priority than the updmap.cfg in
  TEXMFMAIN, to ensure that local adjustments by administrators take
  precedence over what is shipped in TeX Live.

  In any case, if multiple updmap.cfg files are found, all the maps
  mentioned in all the updmap.cfg files are merged.

  Thus, if updmap.cfg files are present in all trees, and the default
  layout is used as shipped with TeX Live, the following files are
  read, in the given order.
  
  For updmap-sys:
  TEXMFSYSCONFIG \$TEXLIVE/YYYY/texmf-config/web2c/updmap.cfg
  TEXMFSYSVAR    \$TEXLIVE/YYYY/texmf-var/web2c/updmap.cfg
  TEXMFLOCAL     \$TEXLIVE/texmf-local/web2c/updmap.cfg
  TEXMFMAIN      \$TEXLIVE/YYYY/texmf/web2c/updmap.cfg
  TEXMFDIST      \$TEXLIVE/YYYY/texmf-dist/web2c/updmap.cfg

  For updmap:
  TEXMFCONFIG    \$HOME/.texliveYYYY/texmf-config/web2c/updmap.cfg
  TEXMFVAR       \$HOME/.texliveYYYY/texmf-var/web2c/updmap.cfg
  TEXMFHOME      \$HOME/texmf/web2c/updmap.cfg
  TEXMFSYSCONFIG \$TEXLIVE/YYYY/texmf-config/web2c/updmap.cfg
  TEXMFSYSVAR    \$TEXLIVE/YYYY/texmf-var/web2c/updmap.cfg
  TEXMFLOCAL     \$TEXLIVE/texmf-local/web2c/updmap.cfg
  TEXMFMAIN      \$TEXLIVE/YYYY/texmf/web2c/updmap.cfg
  TEXMFDIST      \$TEXLIVE/YYYY/texmf-dist/web2c/updmap.cfg
  
  (where YYYY is the TeX Live release version).
  
  There is another exception to keep upgradability from earlier versions
  of TeX Live: if a file TEXMFLOCAL/web2c/updmap-local.cfg exists
  (formerly used by tlmgr to merge local fonts), then the file
  TEXMFLOCAL/web2c/updmap.cfg is ignored (if it exists) and that
  updmap-local.cfg is used instead.  In this case, updmap recognizes the
  previous syntax for disabling map files in updmap-local.cfg (this
  syntax is different from what is used now).

  According to the actions, updmap might write to one of the given files
  or create a new updmap.cfg, described further below.

  Where changes are saved: if config files are given on the command
  line, then the first one given will be used to save any changes from
  --setoption, --enable or --disable.  If the config files are taken
  from kpsewhich output, then the algorithm is more complex:

    1) If \$TEXMFCONFIG/web2c/updmap.cfg or \$TEXMFHOME/web2c/updmap.cfg
    appears in the list of used files, then the one listed first by
    kpsewhich --all (equivalently, the one returned by kpsewhich
    updmap.cfg), is used.
      
    2) If neither of the above two are present and changes are made, a
    new config file is created in \$TEXMFCONFIG/web2c/updmap.cfg.

  Resolving multiple definitions of a font:
    If a font is defined in more than one map file, then the definition
    coming from the first-listed updmap.cfg is used.  If a font is
    defined multiple times within the same map file, one is chosen
    arbitrarily.  In both cases a warning is issued.

  Disabling maps:
    updmap.cfg files with higher priority (listed earlier) can disable
    maps mentioned in lower priority (listed later) updmap.cfg files by
    writing, e.g.,
      \#! Map mapname.map
    or
      \#! MixedMap mapname.map
    in the higher-priority updmap.cfg file. 

    As an example, suppose you have a copy of MathTime Pro fonts
    and want to disable the Belleek version of the fonts; that is,
    disable the map belleek.map.  You can create the file
    \$TEXMFCONFIG/web2c/updmap.cfg with the content
      #! Map belleek.map
      Map mt-plus.map
      Map mt-yy.map
    and call $prg.

  updmap writes the map files for dvips (psfonts.map) and pdftex
  (pdftex.map) to the TEXMFVAR/fonts/map/updmap/{dvips,pdftex}/
  directories.   

  The log file is written to TEXMFVAR/web2c/updmap.log.

  When updmap-sys is run, TEXMFSYSCONFIG and TEXMFSYSVAR are used
  instead of TEXMFCONFIG and TEXMFVAR, respectively.  This is the only
  difference between updmap-sys and updmap.

  Other locations may be used if you give them on the command line, or
  these trees don't exist, or you are not using the original TeX Live.

  To see the precise locations of the various files that
  will be read and written, give the -n option (or read the source).

For step-by-step instructions on making new fonts known to TeX, read
http://tug.org/fonts/fontinstall.html.  For even more terse
instructions, read the beginning of updmap.cfg.

Report bugs to: tex-k\@tug.org
TeX Live home page: <http://tug.org/texlive/>
EOF
;
  print &version();
  print $usage;
  exit 0;
}

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