File: syncqt

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qt4-x11 4:4.8.7+dfsg-18
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#!/usr/bin/perl -w
#############################################################################
##
## Copyright (C) 2015 The Qt Company Ltd.
## Contact: http://www.qt.io/licensing/
##
## This file is part of the build configuration tools of the Qt Toolkit.
##
## $QT_BEGIN_LICENSE:LGPL$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see http://www.qt.io/terms-conditions. For further
## information use the contact form at http://www.qt.io/contact-us.
##
## GNU Lesser General Public License Usage
## Alternatively, this file may be used under the terms of the GNU Lesser
## General Public License version 2.1 or version 3 as published by the Free
## Software Foundation and appearing in the file LICENSE.LGPLv21 and
## LICENSE.LGPLv3 included in the packaging of this file. Please review the
## following information to ensure the GNU Lesser General Public License
## requirements will be met: https://www.gnu.org/licenses/lgpl.html and
## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## As a special exception, The Qt Company gives you certain additional
## rights. These rights are described in The Qt Company LGPL Exception
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3.0 as published by the Free Software
## Foundation and appearing in the file LICENSE.GPL included in the
## packaging of this file.  Please review the following information to
## ensure the GNU General Public License version 3.0 requirements will be
## met: http://www.gnu.org/copyleft/gpl.html.
##
## $QT_END_LICENSE$
##
#############################################################################

#
# Synchronizes Qt header files - internal development tool.
#

# use packages -------------------------------------------------------
use File::Basename;
use File::Path;
use Cwd;
use Config;
use strict;

for (my $i = 0; $i < $#ARGV; $i++) {
    if ($ARGV[$i] eq "-base-dir" && $i < $#ARGV - 1) {
        $ENV{"QTDIR"} = $ARGV[$i + 1];
        last;
    }
}

die "syncqt: QTDIR not defined" if ! $ENV{"QTDIR"}; # sanity check

# global variables
my $isunix = 0;
my $basedir = $ENV{"QTDIR"};
$basedir =~ s=\\=/=g;
my %modules = ( # path to module name map
        "QtGui" => "$basedir/src/gui",
        "QtOpenGL" => "$basedir/src/opengl",
        "QtOpenVG" => "$basedir/src/openvg",
        "QtCore" => "$basedir/src/corelib",
        "QtXml" => "$basedir/src/xml",
        "QtXmlPatterns" => "$basedir/src/xmlpatterns",
        "QtSql" => "$basedir/src/sql",
        "QtNetwork" => "$basedir/src/network",
        "QtSvg" => "$basedir/src/svg",
        "QtDeclarative" => "$basedir/src/declarative",
        "QtScript" => "$basedir/src/script",
        "QtScriptTools" => "$basedir/src/scripttools",
        "Qt3Support" => "$basedir/src/qt3support",
        "ActiveQt" => "$basedir/src/activeqt",
        "QtTest" => "$basedir/src/testlib",
        "QtHelp" => "$basedir/tools/assistant/lib",
        "QtDesigner" => "$basedir/tools/designer/src/lib",
        "QtUiTools" => "$basedir/tools/designer/src/uitools",
        "QtDBus" => "$basedir/src/dbus",
        "QtWebKit" => "$basedir/src/3rdparty/webkit/Source/WebKit/qt",
        "phonon" => "$basedir/src/phonon",
        "QtMultimedia" => "$basedir/src/multimedia",
        "QtMeeGoGraphicsSystemHelper" => "$basedir/tools/qmeegographicssystemhelper",
);
my %moduleheaders = ( # restrict the module headers to those found in relative path
        "QtWebKit" => "Api",
        "phonon" => "../3rdparty/phonon/phonon",
);

#$modules{"QtCore"} .= ";$basedir/mkspecs/" . $ENV{"MKSPEC"} if defined $ENV{"MKSPEC"};

# global variables (modified by options)
my $module = 0;
my $showonly = 0;
my $quiet = 0;
my $remove_stale = 1;
my $force_win = 0;
my $force_relative = 0;
my $check_includes = 0;
my $copy_headers = 0;
my $create_uic_class_map = 1;
my $create_private_headers = 1;
my @modules_to_sync ;
$force_relative = 1 if ( -d "/System/Library/Frameworks" );
my $out_basedir = $basedir;
$out_basedir =~ s=\\=/=g;
my $quoted_basedir = "\Q$basedir";

# functions ----------------------------------------------------------

######################################################################
# Syntax:  showUsage()
# Params:  -none-
#
# Purpose: Show the usage of the script.
# Returns: -none-
######################################################################
sub showUsage
{
    print "$0 usage:\n";
    print "  -copy                 Copy headers instead of include-fwd(default: " . ($copy_headers ? "yes" : "no") . ")\n";
    print "  -remove-stale         Removes stale headers              (default: " . ($remove_stale ? "yes" : "no") . ")\n";
    print "  -relative             Force relative symlinks            (default: " . ($force_relative ? "yes" : "no") . ")\n";
    print "  -windows              Force platform to Windows          (default: " . ($force_win ? "yes" : "no") . ")\n";
    print "  -showonly             Show action but not perform        (default: " . ($showonly ? "yes" : "no") . ")\n";
    print "  -outdir <PATH>        Specify output directory for sync  (default: $out_basedir)\n";
    print "  -quiet                Only report problems, not activity (default: " . ($quiet ? "yes" : "no") . ")\n";
    print "  -separate-module <NAME>:<PROFILEDIR>:<HEADERDIR> Create headers for <NAME> with original headers in <HEADERDIR> relative to <PROFILEDIR> \n";
    print "  -help                 This help\n";
    exit 0;
}

######################################################################
# Syntax:  checkUnix()
# Params:  -none-
#
# Purpose: Check if script runs on a Unix system or not. Cygwin
#          systems are _not_ detected as Unix systems.
# Returns: 1 if a unix system, else 0.
######################################################################
sub checkUnix {
    my ($r) = 0;
    if ( $force_win != 0) {
        return 0;
    } elsif ( -f "/bin/uname" ) {
        $r = 1;
        (-f "\\bin\\uname") && ($r = 0);
    } elsif ( -f "/usr/bin/uname" ) {
        $r = 1;
        (-f "\\usr\\bin\\uname") && ($r = 0);
    }
    if($r) {
        $_ = $Config{'osname'};
        $r = 0 if( /(ms)|(cyg)win/i );
    }
    return $r;
}

sub checkRelative {
    my ($dir) = @_;
    return 0 if($dir =~ /^\//);
    return 0 if(!checkUnix() && $dir =~ /[a-zA-Z]:[\/\\]/);
    return 1;
}

######################################################################
# Syntax:  shouldMasterInclude(iheader)
# Params:  iheader, string, filename to verify inclusion
#
# Purpose: Determines if header should be in the master include file.
# Returns: 0 if file contains "#pragma qt_no_master_include" or not
#          able to open, else 1.
######################################################################
sub shouldMasterInclude {
    my ($iheader) = @_;
    return 0 if(basename($iheader) =~ /_/);
    return 0 if(basename($iheader) =~ /qconfig/);
    if(open(F, "<$iheader")) {
        while(<F>) {
            chomp;
            return 0 if(/^\#pragma qt_no_master_include$/);
        }
        close(F);
    } else {
        return 0;
    }
    return 1;
}

######################################################################
# Syntax:  classNames(iheader)
# Params:  iheader, string, filename to parse for classname "symlinks"
#
# Purpose: Scans through iheader to find all classnames that should be
#          synced into library's include structure.
# Returns: List of all class names in a file.
######################################################################
sub classNames {
    my @ret;
    my ($iheader) = @_;
    if(basename($iheader) eq "qglobal.h") {
        push @ret, "QtGlobal";
    } elsif(basename($iheader) eq "qendian.h") {
        push @ret, "QtEndian";
    } elsif(basename($iheader) eq "qconfig.h") {
        push @ret, "QtConfig";
    } elsif(basename($iheader) eq "qplugin.h") {
        push @ret, "QtPlugin";
    } elsif(basename($iheader) eq "qalgorithms.h") {
        push @ret, "QtAlgorithms";
    } elsif(basename($iheader) eq "qcontainerfwd.h") {
        push @ret, "QtContainerFwd";
    } elsif(basename($iheader) eq "qdebug.h") {
        push @ret, "QtDebug";
    } elsif(basename($iheader) eq "qevent.h") {
        push @ret, "QtEvents";
    } elsif(basename($iheader) eq "qnamespace.h") {
        push @ret, "Qt"
    } elsif(basename($iheader) eq "qssl.h") {
        push @ret, "QSsl";
    } elsif(basename($iheader) eq "qgl.h") {
        push @ret, "QGL";
    } elsif(basename($iheader) eq "qtest.h") {
        push @ret, "QTest"
    } elsif(basename($iheader) eq "qtconcurrentmap.h") {
        push @ret, "QtConcurrentMap"
    } elsif(basename($iheader) eq "qtconcurrentfilter.h") {
        push @ret, "QtConcurrentFilter"
    } elsif(basename($iheader) eq "qtconcurrentrun.h") {
        push @ret, "QtConcurrentRun"
    } elsif(basename($iheader) eq "qaudio.h") {
        push @ret, "QAudio"
    }

    my $parsable = "";
    if(open(F, "<$iheader")) {
        while(<F>) {
            my $line = $_;
            chomp $line;
                        chop $line if ($line =~ /\r$/);
            if($line =~ /^\#/) {
                if($line =~ /\\$/) {
                    while($line = <F>) {
                        chomp $line;
                        last unless($line =~ /\\$/);
                    }
                }
                return @ret if($line =~ m/^#pragma qt_sync_stop_processing/);
                push(@ret, $1) if($line =~ m/^#pragma qt_class\(([^)]*)\)[\r\n]*$/);
                $line = 0;
            }
            if($line) {
                $line =~ s,//.*$,,; #remove c++ comments
                $line .= ";" if($line =~ m/^Q_[A-Z_]*\(.*\)[\r\n]*$/); #qt macro
                $line .= ";" if($line =~ m/^QT_(BEGIN|END)_HEADER[\r\n]*$/); #qt macro
                $line .= ";" if($line =~ m/^QT_(BEGIN|END)_NAMESPACE[\r\n]*$/); #qt macro
                $line .= ";" if($line =~ m/^QT_MODULE\(.*\)[\r\n]*$/); # QT_MODULE macro
                $parsable .= " " . $line;
            }
        }
        close(F);
    }

    my $last_definition = 0;
    my @namespaces;
    for(my $i = 0; $i < length($parsable); $i++) {
        my $definition = 0;
        my $character = substr($parsable, $i, 1);
        if($character eq "/" && substr($parsable, $i+1, 1) eq "*") { #I parse like this for greedy reasons
            for($i+=2; $i < length($parsable); $i++) {
                my $end = substr($parsable, $i, 2);
                if($end eq "*/") {
                    $last_definition = $i+2;
                    $i++;
                    last;
                }
            }
        } elsif($character eq "{") {
            my $brace_depth = 1;
            my $block_start = $i + 1;
          BLOCK: for($i+=1; $i < length($parsable); $i++) {
              my $ignore = substr($parsable, $i, 1);
              if($ignore eq "{") {
                  $brace_depth++;
              } elsif($ignore eq "}") {
                  $brace_depth--;
                  unless($brace_depth) {
                      for(my $i2 = $i+1; $i2 < length($parsable); $i2++) {
                          my $end = substr($parsable, $i2, 1);
                          if($end eq ";" || $end ne " ") {
                              $definition = substr($parsable, $last_definition, $block_start - $last_definition) . "}";
                              $i = $i2 if($end eq ";");
                              $last_definition = $i + 1;
                              last BLOCK;
                          }
                      }
                  }
              }
          }
        } elsif($character eq ";") {
            $definition = substr($parsable, $last_definition, $i - $last_definition + 1);
            $last_definition = $i + 1;
        } elsif($character eq "}") {
            # a naked } must be a namespace ending
            # if it's not a namespace, it's eaten by the loop above
            pop @namespaces;
            $last_definition = $i + 1;
        }

        if (substr($parsable, $last_definition, $i - $last_definition + 1) =~ m/ namespace ([^ ]*) /
            && substr($parsable, $i+1, 1) eq "{") {
            push @namespaces, $1;

            # Eat the opening { so that the condensing loop above doesn't see it
            $i++;
            $last_definition = $i + 1;
        }

        if($definition) {
            $definition =~ s=[\n\r]==g;
            my @symbols;
            if($definition =~ m/^ *typedef *.*\(\*([^\)]*)\)\(.*\);$/) {
                push @symbols, $1;
            } elsif($definition =~ m/^ *typedef +(.*) +([^ ]*);$/) {
                push @symbols, $2;
            } elsif($definition =~ m/^ *(template *<.*> *)?(class|struct) +([^ ]* +)?([^<\s]+) ?(<[^>]*> ?)?\s*((,|:)\s*(public|protected|private) *.*)? *\{\}$/) {
                push @symbols, $4;
            } elsif($definition =~ m/^ *Q_DECLARE_.*ITERATOR\((.*)\);$/) {
                push @symbols, "Q" . $1 . "Iterator";
                push @symbols, "QMutable" . $1 . "Iterator";
            }

            foreach my $symbol (@symbols) {
                $symbol = (join("::", @namespaces) . "::" . $symbol) if (scalar @namespaces);
                push @ret, $symbol
                    if ($symbol =~ /^Q[^:]*$/           # no-namespace, starting with Q
                        || $symbol =~ /^Phonon::/);     # or in the Phonon namespace
            }
        }
    }
    return @ret;
}

######################################################################
# Syntax:  syncHeader(header, iheader, copy, timestamp)
# Params:  header, string, filename to create "symlink" for
#          iheader, string, destination name of symlink
#          copy, forces header to be a copy of iheader
#          timestamp, the requested modification time if copying
#
# Purpose: Syncronizes header to iheader
# Returns: 1 if successful, else 0.
######################################################################
sub syncHeader {
    my ($header, $iheader, $copy, $ts) = @_;
    $iheader =~ s=\\=/=g;
    $header =~ s=\\=/=g;
    return copyFile($iheader, $header) if($copy);

    unless(-e $header) {
        my $header_dir = dirname($header);
        mkpath $header_dir, !$quiet;

        #write it
        my $iheader_out = fixPaths($iheader, $header_dir);
        open HEADER, ">$header" || die "Could not open $header for writing!\n";
        print HEADER "#include \"$iheader_out\"\n";
        close HEADER;
        if(defined($ts)) {
            utime(time, $ts, $header) or die "$iheader, $header";
        }
        return 1;
    }
    return 0;
}

######################################################################
# Syntax:  fixPaths(file, dir)
# Params:  file, string, filepath to be made relative to dir
#          dir, string, dirpath for point of origin
#
# Purpose: file is made relative (if possible) of dir.
# Returns: String with the above applied conversion.
######################################################################
sub fixPaths {
    my ($file, $dir) = @_;
    $dir =~ s=^$quoted_basedir/=$out_basedir/= if(!($basedir eq $out_basedir));
    $file =~ s=\\=/=g;
    $dir =~ s=\\=/=g;

    #setup
    my $ret = $file;
    $ret =~ s,/cygdrive/([a-zA-Z])/,$1:/,g;
    my $file_dir = dirname($file);
    if($file_dir eq ".") {
        $file_dir = getcwd();
        $file_dir =~ s=\\=/=g;
    }
    $file_dir =~ s,/cygdrive/([a-zA-Z])/,$1:/,g;
    if($dir eq ".") {
        $dir = getcwd();
        $dir =~ s=\\=/=g;
    }
    $dir =~ s,/cygdrive/([a-zA-Z])/,$1:/,g;
    return basename($file) if($file_dir eq $dir);

    #guts
    my $match_dir = 0;
    for(my $i = 1; $i < length($file_dir); $i++) {
        my $slash = index($file_dir, "/", $i);
        last if($slash == -1);
        my $tmp = substr($file_dir, 0, $slash);
        last unless($dir =~ m,^\Q$tmp\E/,);
        $match_dir = $tmp;
        $i = $slash;
    }
    if($match_dir) {
        my $after = substr($dir, length($match_dir));
        my $count = ($after =~ tr,/,,);
        my $dots = "";
        for(my $i = 0; $i < $count; $i++) {
            $dots .= "../";
        }
        $ret =~ s,^\Q$match_dir\E,$dots,;
    }
    $ret =~ s,/+,/,g;
    return $ret;
}

######################################################################
# Syntax:  fileContents(filename)
# Params:  filename, string, filename of file to return contents
#
# Purpose: Get the contents of a file.
# Returns: String with contents of the file, or empty string if file
#          doens't exist.
# Warning: Dies if it does exist but script cannot get read access.
######################################################################
sub fileContents {
    my ($filename) = @_;
    my $filecontents = "";
    if (-e $filename) {
        open(I, "< $filename") || die "Could not open $filename for reading, read block?";
        local $/;
        binmode I;
        $filecontents = <I>;
        close I;
    }
    return $filecontents;
}

######################################################################
# Syntax:  fileCompare(file1, file2)
# Params:  file1, string, filename of first file
#          file2, string, filename of second file
#
# Purpose: Determines if files are equal, and which one is newer.
# Returns: 0 if files are equal no matter the timestamp, -1 if file1
#          is newer, 1 if file2 is newer.
######################################################################
sub fileCompare {
    my ($file1, $file2) = @_;
    my $file1contents = fileContents($file1);
    my $file2contents = fileContents($file2);
    if (! -e $file1) { return 1; }
    if (! -e $file2) { return -1; }
    return $file1contents ne $file2contents ? (stat($file2))[9] <=> (stat($file1))[9] : 0;
}

######################################################################
# Syntax:  copyFile(file, ifile)
# Params:  file, string, filename to create duplicate for
#          ifile, string, destination name of duplicate
#
# Purpose: Keeps files in sync so changes in the newer file will be
#          written to the other.
# Returns: 1 if files were synced, else 0.
# Warning: Dies if script cannot get write access.
######################################################################
sub copyFile
{
    my ($file,$ifile, $copy,$knowdiff,$filecontents,$ifilecontents) = @_;
    # Bi-directional synchronization
    open( I, "< " . $file ) || die "Could not open $file for reading";
    local $/;
    binmode I;
    $filecontents = <I>;
    close I;
    if ( open(I, "< " . $ifile) ) {
        local $/;
        binmode I;
        $ifilecontents = <I>;
        close I;
        $copy = fileCompare($file, $ifile);
        $knowdiff = 0,
    } else {
        $copy = -1;
        $knowdiff = 1;
    }

    if ( $knowdiff || ($filecontents ne $ifilecontents) ) {
        if ( $copy > 0 ) {
            my $file_dir = dirname($file);
            mkpath $file_dir, !$quiet unless(-e $file_dir);
            open(O, "> " . $file) || die "Could not open $file for writing (no write permission?)";
            local $/;
            binmode O;
            print O $ifilecontents;
            close O;
            utime time, (stat($ifile))[9], $file;
            return 1;
        } elsif ( $copy < 0 ) {
            my $ifile_dir = dirname($ifile);
            mkpath $ifile_dir, !$quiet unless(-e $ifile_dir);
            open(O, "> " . $ifile) || die "Could not open $ifile for writing (no write permission?)";
            local $/;
            binmode O;
            print O $filecontents;
            close O;
            utime time, (stat($file))[9], $ifile;
            return 1;
        }
    }
    return 0;
}

######################################################################
# Syntax:  symlinkFile(file, ifile)
# Params:  file, string, filename to create "symlink" for
#          ifile, string, destination name of symlink
#
# Purpose: File is symlinked to ifile (or copied if filesystem doesn't
#          support symlink).
# Returns: 1 on success, else 0.
######################################################################
sub symlinkFile
{
    my ($file,$ifile) = @_;

    if ($isunix) {
        print "symlink created for $file " unless $quiet;
        if ( $force_relative && ($ifile =~ /^$quoted_basedir/)) {
            my $t = getcwd();
            my $c = -1;
            my $p = "../";
            $t =~ s-^$quoted_basedir/--;
            $p .= "../" while( ($c = index( $t, "/", $c + 1)) != -1 );
            $file =~ s-^$quoted_basedir/-$p-;
            print " ($file)\n" unless $quiet;
        }
        print "\n" unless $quiet;
        return symlink($file, $ifile);
    }
    return copyFile($file, $ifile);
}

######################################################################
# Syntax:  findFiles(dir, match, descend)
# Params:  dir, string, directory to search for name
#          match, string, regular expression to match in dir
#          descend, integer, 0 = non-recursive search
#                            1 = recurse search into subdirectories
#
# Purpose: Finds files matching a regular expression.
# Returns: List of matching files.
#
# Examples:
#   findFiles("/usr","\.cpp$",1)  - finds .cpp files in /usr and below
#   findFiles("/tmp","^#",0)      - finds #* files in /tmp
######################################################################
sub findFiles {
    my ($dir,$match,$descend) = @_;
    my ($file,$p,@files);
    local(*D);
    $dir =~ s=\\=/=g;
    ($dir eq "") && ($dir = ".");
    if ( opendir(D,$dir) ) {
        if ( $dir eq "." ) {
            $dir = "";
        } else {
            ($dir =~ /\/$/) || ($dir .= "/");
        }
        foreach $file ( sort readdir(D) ) {
            next if ( $file  =~ /^\.\.?$/ );
            $p = $file;
            ($file =~ /$match/) && (push @files, $p);
            if ( $descend && -d $p && ! -l $p ) {
                push @files, &findFiles($p,$match,$descend);
            }
        }
        closedir(D);
    }
    return @files;
}

# --------------------------------------------------------------------
# "main" function
# --------------------------------------------------------------------

while ( @ARGV ) {
    my $var = 0;
    my $val = 0;

    #parse
    my $arg = shift @ARGV;
    if ($arg eq "-h" || $arg eq "-help" || $arg eq "?") {
        $var = "show_help";
        $val = "yes";
    } elsif($arg eq "-copy") {
        $var = "copy";
        $val = "yes";
    } elsif($arg eq "-o" || $arg eq "-outdir") {
        $var = "output";
        $val = shift @ARGV;
    } elsif($arg eq "-showonly" || $arg eq "-remove-stale" || $arg eq "-windows" ||
            $arg eq "-relative" || $arg eq "-check-includes") {
        $var = substr($arg, 1);
        $val = "yes";
    } elsif($arg =~ /^-no-(.*)$/) {
        $var = $1;
        $val = "no";
        #these are for commandline compat
    } elsif($arg eq "-inc") {
        $var = "output";
        $val = shift @ARGV;
    } elsif($arg eq "-module") {
        $var = "module";
        $val = shift @ARGV;
    } elsif($arg eq "-separate-module") {
        $var = "separate-module";
        $val = shift @ARGV;
    } elsif($arg eq "-show") {
        $var = "showonly";
        $val = "yes";
    } elsif($arg eq "-quiet") {
        $var = "quiet";
        $val = "yes";
    } elsif($arg eq "-base-dir") {
        # skip, it's been dealt with at the top of the file
        shift @ARGV;
        next;
    }

    #do something
    if(!$var || $var eq "show_help") {
        print "Unknown option: $arg\n\n" if(!$var);
        showUsage();
    } elsif ($var eq "copy") {
        if($val eq "yes") {
            $copy_headers++;
        } elsif($showonly) {
            $copy_headers--;
        }
    } elsif ($var eq "showonly") {
        if($val eq "yes") {
            $showonly++;
        } elsif($showonly) {
            $showonly--;
        }
    } elsif ($var eq "quiet") {
        if($val eq "yes") {
            $quiet++;
        } elsif($quiet) {
            $quiet--;
        }
    } elsif ($var eq "check-includes") {
        if($val eq "yes") {
            $check_includes++;
        } elsif($check_includes) {
            $check_includes--;
        }
    } elsif ($var eq "remove-stale") {
        if($val eq "yes") {
            $remove_stale++;
        } elsif($remove_stale) {
            $remove_stale--;
        }
    } elsif ($var eq "windows") {
        if($val eq "yes") {
            $force_win++;
        } elsif($force_win) {
            $force_win--;
        }
    } elsif ($var eq "relative") {
        if($val eq "yes") {
            $force_relative++;
        } elsif($force_relative) {
            $force_relative--;
        }
    } elsif ($var eq "module") {
        print "module :$val:\n" unless $quiet;
        die "No such module: $val" unless(defined $modules{$val});
        push @modules_to_sync, $val;
    } elsif ($var eq "separate-module") {
        my ($module, $prodir, $headerdir) = split(/:/, $val);
        $modules{$module} = $prodir;
        push @modules_to_sync, $module;
        $moduleheaders{$module} = $headerdir;
        $create_uic_class_map = 0;
        $create_private_headers = 0;
    } elsif ($var eq "output") {
        my $outdir = $val;
        if(checkRelative($outdir)) {
            $out_basedir = getcwd();
            chomp $out_basedir;
            $out_basedir .= "/" . $outdir;
        } else {
            $out_basedir = $outdir;
        }
        # \ -> /
        $out_basedir =~ s=\\=/=g;
    }
}
@modules_to_sync = keys(%modules) if($#modules_to_sync == -1);

$isunix = checkUnix; #cache checkUnix

# create path
mkpath "$out_basedir/include", !$quiet;
mkpath "$out_basedir/include/Qt", !$quiet;

my @ignore_headers = ();
my $class_lib_map_contents = "";
my @ignore_for_master_contents = ( "qt.h", "qpaintdevicedefs.h" );
my @ignore_for_include_check = ( "qatomic.h" );
my @ignore_for_qt_begin_header_check = ( "qiconset.h", "qconfig.h", "qconfig-dist.h", "qconfig-large.h", "qconfig-medium.h", "qconfig-minimal.h", "qconfig-small.h", "qfeatures.h", "qt_windows.h" );
my @ignore_for_qt_begin_namespace_check = ( "qconfig.h", "qconfig-dist.h", "qconfig-large.h", "qconfig-medium.h", "qconfig-minimal.h", "qconfig-small.h", "qfeatures.h", "qatomic_arch.h", "qatomic_windowsce.h", "qt_windows.h", "qatomic_macosx.h", "qatomic_arm.h", "qatomic_armv7.h" );
my @ignore_for_qt_module_check = ( "$modules{QtCore}/arch", "$modules{QtCore}/global", "$modules{QtSql}/drivers", "$modules{QtTest}", "$modules{QtDesigner}", "$modules{QtUiTools}", "$modules{QtDBus}", "$modules{phonon}" );
my %colliding_headers = ();
my %inject_headers = ( "$basedir/src/corelib/global" => ( "qconfig.h" ) ); # all from build dir

foreach my $lib (@modules_to_sync) {
    #iteration info
    my $dir = $modules{$lib};
    my $pathtoheaders = "";
    $pathtoheaders = $moduleheaders{$lib} if ($moduleheaders{$lib});

    #information used after the syncing
    my $pri_install_classes = "";
    my $pri_install_files = "";
    my $pri_install_pfiles = "";

    my $libcapitals = $lib;
    $libcapitals =~ y/a-z/A-Z/;
    my $master_contents = "#ifndef QT_".$libcapitals."_MODULE_H\n#define QT_".$libcapitals."_MODULE_H\n";

    #get dependencies
    my $pro_file = "$dir/" . basename($dir) . ".pro";
    if(!open(F, "<$pro_file")) {
        #the pro file doesn't exist let's try to find one
        opendir(DIR, $dir);
        $pro_file = "";
        foreach my $file (readdir(DIR))
        {
            if ( $file =~ /\.pro$/i) {
                die "There are multiple pro files for $lib module, which one should I use? \n" if ($pro_file ne "");
                $pro_file = "$dir/" . $file;
            }
        }
        closedir(DIR);
        if ($pro_file eq "") {
            die "I couldn't find a pro file for $lib module \n";
        }
    }
    if(-e "$pro_file") {
        if(open(F, "<$pro_file")) {
            while(my $line = <F>) {
                chomp $line;
                if($line =~ /^ *QT *\+?= *([^\r\n]*)/) {
                    foreach(split(/ /, $1)) {
                        $master_contents .= "#include <QtCore/QtCore>\n" if($_ eq "core");
                        $master_contents .= "#include <QtGui/QtGui>\n" if($_ eq "gui");
                        $master_contents .= "#include <QtNetwork/QtNetwork>\n" if($_ eq "network");
                        $master_contents .= "#include <QtSvg/QtSvg>\n" if($_ eq "svg");
                        $master_contents .= "#include <QtDeclarative/QtDeclarative>\n" if($_ eq "declarative");
                        $master_contents .= "#include <QtScript/QtScript>\n" if($_ eq "script");
                        $master_contents .= "#include <QtScriptTools/QtScriptTools>\n" if($_ eq "scripttools");
                        $master_contents .= "#include <Qt3Support/Qt3Support>\n" if($_ eq "qt3support");
                        $master_contents .= "#include <QtSql/QtSql>\n" if($_ eq "sql");
                        $master_contents .= "#include <QtXml/QtXml>\n" if($_ eq "xml");
                        $master_contents .= "#include <QtXmlPatterns/QtXmlPatterns>\n" if($_ eq "xmlpatterns");
                        $master_contents .= "#include <QtOpenGL/QtOpenGL>\n" if($_ eq "opengl");
                        $master_contents .= "#include <QtOpenVG/QtOpenVG>\n" if($_ eq "openvg");
                    }
                }
            }
            close(F);
        }
    }

    #remove the old files
    if($remove_stale) {
        my @subdirs = ("$out_basedir/include/$lib");
        foreach my $subdir (@subdirs) {
            if (opendir DIR, $subdir) {
                while(my $t = readdir(DIR)) {
                    my $file = "$subdir/$t";
                    if(-d $file) {
                        push @subdirs, $file unless($t eq "." || $t eq "..");
                    } else {
                        my @files = ($file);
                        #push @files, "$out_basedir/include/Qt/$t" if(-e "$out_basedir/include/Qt/$t");
                        foreach my $file (@files) {
                           my $remove_file = 0;
                           if(open(F, "<$file")) {
                                while(my $line = <F>) {
                                    chomp $line;
                                    if($line =~ /^\#include \"([^\"]*)\"$/) {
                                        my $include = $1;
                                        $include = $subdir . "/" . $include unless(substr($include, 0, 1) eq "/");
                                        $remove_file = 1 unless(-e $include);
                                    } else {
                                        $remove_file = 0;
                                        last;
                                    }
                                }
                                close(F);
                                unlink $file if($remove_file);
                            }
                        }
                    }
                }
                closedir DIR;
            }

        }
    }

    #create the new ones
    foreach my $current_dir (split(/;/, $dir)) {
        my $headers_dir = $current_dir;
        $headers_dir .= "/$pathtoheaders" if ($pathtoheaders);
        #calc subdirs
        my @subdirs = ($headers_dir);
        foreach my $subdir (@subdirs) {
            opendir DIR, $subdir or next;
            while(my $t = readdir(DIR)) {
                push @subdirs, "$subdir/$t" if(-d "$subdir/$t" && !($t eq ".") &&
                                               !($t eq "..") && !($t eq ".obj") &&
                                               !($t eq ".moc") && !($t eq ".rcc") &&
                                               !($t eq ".uic") && !($t eq "build"));
            }
            closedir DIR;
        }

        #calc files and "copy" them
        foreach my $subdir (@subdirs) {
            my @headers = findFiles($subdir, "^[-a-z0-9_]*\\.h\$" , 0);
            if (defined $inject_headers{$subdir}) {
                foreach my $if ($inject_headers{$subdir}) {
                    @headers = grep(!/^\Q$if\E$/, @headers); #in case we configure'd previously
                    push @headers, "*".$if;
                }
            }
            foreach my $header (@headers) {
                my $shadow = ($header =~ s/^\*//);
                $header = 0 if($header =~ /^ui_.*.h/);
                foreach (@ignore_headers) {
                    $header = 0 if($header eq $_);
                }
                if($header) {
                    my $header_copies = 0;
                    #figure out if it is a public header
                    my $public_header = $header;
                    if($public_header =~ /_p.h$/ || $public_header =~ /_pch.h$/) {
                        $public_header = 0;
                    } else {
                        foreach (@ignore_for_master_contents) {
                            $public_header = 0 if($header eq $_);
                        }
                    }

                    my $iheader = $subdir . "/" . $header;
                    $iheader =~ s/^\Q$basedir\E/$out_basedir/ if ($shadow);
                    my @classes = $public_header ? classNames($iheader) : ();
                    if($showonly) {
                        print "$header [$lib]\n";
                        foreach(@classes) {
                            print "SYMBOL: $_\n";
                        }
                    } else {
                        my $ts = (-e $iheader) ? (stat($iheader))[9] : time;
                        #find out all the places it goes..
                        my @headers;
                        if ($public_header) {
                            @headers = ( "$out_basedir/include/$lib/$header" );

                            # write forwarding headers to include/Qt
                            if ($lib ne "phonon" && $subdir =~ /^$quoted_basedir\/src/) {
                                my $file_name = "$out_basedir/include/Qt/$header";
                                my $file_op = '>';
                                my $header_content = '';
                                if (exists $colliding_headers{$file_name}) {
                                    $file_op = '>>';
                                } else {
                                    $colliding_headers{$file_name} = 1;
                                    my $warning_msg = 'Inclusion of header files from include/Qt is deprecated.';
                                    $header_content = "#ifndef QT_NO_QT_INCLUDE_WARN\n" .
                                                      "    #if defined(__GNUC__)\n" .
                                                      "        #warning \"$warning_msg\"\n" .
                                                      "    #elif defined(_MSC_VER)\n" .
                                                      "        #pragma message(\"WARNING: $warning_msg\")\n" .
                                                      "    #endif\n".
                                                      "#endif\n\n";
                                }
                                $header_content .= '#include "' . "../$lib/$header" . "\"\n";
                                open HEADERFILE, $file_op, $file_name or die "unable to open '$file_name' : $!\n";
                                print HEADERFILE $header_content;
                                close HEADERFILE;
                            }

                            foreach my $full_class (@classes) {
                                my $header_base = basename($header);
                                # Strip namespaces:
                                my $class = $full_class;
                                $class =~ s/^.*:://;
#                               if ($class =~ m/::/) {
#                                  class =~ s,::,/,g;
#                               }
                                $class_lib_map_contents .= "QT_CLASS_LIB($full_class, $lib, $header_base)\n";
                                $header_copies++ if(syncHeader("$out_basedir/include/$lib/$class", "$out_basedir/include/$lib/$header", 0, $ts));

                                # KDE-Compat headers for Phonon
                                if ($lib eq "phonon") {
                                    $header_copies++ if (syncHeader("$out_basedir/include/phonon_compat/Phonon/$class", "$out_basedir/include/$lib/$header", 0, $ts));
                                }
                            }
                        } elsif ($create_private_headers) {
                            @headers = ( "$out_basedir/include/$lib/private/$header" );
                        }
                        foreach(@headers) { #sync them
                            $header_copies++ if(syncHeader($_, $iheader, $copy_headers && !$shadow, $ts));
                        }

                        if($public_header) {
                            #put it into the master file
                            $master_contents .= "#include \"$public_header\"\n" if(shouldMasterInclude($iheader));

                            #deal with the install directives
                            if($public_header) {
                                my $pri_install_iheader = fixPaths($iheader, $current_dir);
                                foreach my $class (@classes) {
                                    # Strip namespaces:
                                    $class =~ s/^.*:://;
#                                   if ($class =~ m/::/) {
#                                       $class =~ s,::,/,g;
#                                   }
                                    my $class_header = fixPaths("$out_basedir/include/$lib/$class",
                                                                $current_dir) . " ";
                                    $pri_install_classes .= $class_header
                                                                unless($pri_install_classes =~ $class_header);
                                }
                                $pri_install_files.= "$pri_install_iheader ";;
                            }
                        }
                        else {
                            my $pri_install_iheader = fixPaths($iheader, $current_dir);
                            $pri_install_pfiles.= "$pri_install_iheader ";;
                        }
                    }
                    print "header created for $iheader ($header_copies)\n" if($header_copies > 0 && !$quiet);
                }
            }
        }
    }

    # close the master include:
    $master_contents .= "#endif\n";

    unless($showonly) {
        my @master_includes;
        push @master_includes, "$out_basedir/include/$lib/$lib";
        push @master_includes, "$out_basedir/include/phonon_compat/Phonon/Phonon" if ($lib eq "phonon");
        foreach my $master_include (@master_includes) {
            #generate the "master" include file
            my @tmp = split(/;/,$modules{$lib});
            $pri_install_files .= fixPaths($master_include, $tmp[0]) . " "; #get the master file installed too
            if($master_include && -e $master_include) {
                open MASTERINCLUDE, "<$master_include";
                local $/;
                binmode MASTERINCLUDE;
                my $oldmaster = <MASTERINCLUDE>;
                close MASTERINCLUDE;
                $oldmaster =~ s/\r//g; # remove \r's , so comparison is ok on all platforms
                $master_include = 0 if($oldmaster eq $master_contents);
            }
            if($master_include && $master_contents) {
                my $master_dir = dirname($master_include);
                mkpath $master_dir, !$quiet;
                print "header (master) created for $lib\n" unless $quiet;
                open MASTERINCLUDE, ">$master_include";
                print MASTERINCLUDE $master_contents;
                close MASTERINCLUDE;
            }
        }

        #handle the headers.pri for each module
        my $headers_pri_contents = "";
        $headers_pri_contents .= "SYNCQT.HEADER_FILES = $pri_install_files\n";
        $headers_pri_contents .= "SYNCQT.HEADER_CLASSES = $pri_install_classes\n";
        $headers_pri_contents .= "SYNCQT.PRIVATE_HEADER_FILES = $pri_install_pfiles\n";
        my $headers_pri_file = "$out_basedir/include/$lib/headers.pri";
        if(-e $headers_pri_file) {
            open HEADERS_PRI_FILE, "<$headers_pri_file";
            local $/;
            binmode HEADERS_PRI_FILE;
            my $old_headers_pri_contents = <HEADERS_PRI_FILE>;
            close HEADERS_PRI_FILE;
            $old_headers_pri_contents =~ s/\r//g; # remove \r's , so comparison is ok on all platforms
            $headers_pri_file = 0 if($old_headers_pri_contents eq $headers_pri_contents);
        }
        if($headers_pri_file && $master_contents) {
            my $headers_pri_dir = dirname($headers_pri_file);
            mkpath $headers_pri_dir, !$quiet;
            print "headers.pri file created for $lib\n" unless $quiet;
            open HEADERS_PRI_FILE, ">$headers_pri_file";
            print HEADERS_PRI_FILE $headers_pri_contents;
            close HEADERS_PRI_FILE;
        }
    }
}
unless($showonly || !$create_uic_class_map) {
    my $class_lib_map = "$out_basedir/src/tools/uic/qclass_lib_map.h";
    if(-e $class_lib_map) {
        open CLASS_LIB_MAP, "<$class_lib_map";
        local $/;
        binmode CLASS_LIB_MAP;
        my $old_class_lib_map_contents = <CLASS_LIB_MAP>;
        close CLASS_LIB_MAP;
        $old_class_lib_map_contents =~ s/\r//g; # remove \r's , so comparison is ok on all platforms
        $class_lib_map = 0 if($old_class_lib_map_contents eq $class_lib_map_contents);
    }
    if($class_lib_map) {
        my $class_lib_map_dir = dirname($class_lib_map);
        mkpath $class_lib_map_dir, !$quiet;
        open CLASS_LIB_MAP, ">$class_lib_map";
        print CLASS_LIB_MAP $class_lib_map_contents;
        close CLASS_LIB_MAP;
    }
}

if($check_includes) {
    for my $lib (keys(%modules)) {
            #calc subdirs
            my @subdirs = ($modules{$lib});
            foreach my $subdir (@subdirs) {
                opendir DIR, $subdir or die "Huh, directory ".$subdir." cannot be opened.";
                while(my $t = readdir(DIR)) {
                    push @subdirs, "$subdir/$t" if(-d "$subdir/$t" && !($t eq ".") &&
                                                   !($t eq "..") && !($t eq ".obj") &&
                                                   !($t eq ".moc") && !($t eq ".rcc") &&
                                                   !($t eq ".uic") && !($t eq "build"));
                }
                closedir DIR;
            }

            foreach my $subdir (@subdirs) {
                my $header_skip_qt_module_test = 0;
                foreach(@ignore_for_qt_module_check) {
                    foreach (split(/;/, $_)) {
                        $header_skip_qt_module_test = 1 if ($subdir =~ /^$_/);
                    }
                }
                my @headers = findFiles($subdir, "^[-a-z0-9_]*\\.h\$" , 0);
                foreach my $header (@headers) {
                    my $header_skip_qt_begin_header_test = 0;
                    my $header_skip_qt_begin_namespace_test = 0;
                    $header = 0 if($header =~ /^ui_.*.h/);
                    foreach (@ignore_headers) {
                        $header = 0 if($header eq $_);
                    }
                    if($header) {
                        my $public_header = $header;
                        if($public_header =~ /_p.h$/ || $public_header =~ /_pch.h$/) {
                            $public_header = 0;
                        } else {
                            foreach (@ignore_for_master_contents) {
                                $public_header = 0 if($header eq $_);
                            }
                            if($public_header) {
                                foreach (@ignore_for_include_check) {
                                    $public_header = 0 if($header eq $_);
                                }
                                foreach(@ignore_for_qt_begin_header_check) {
                                    $header_skip_qt_begin_header_test = 1 if ($header eq $_);
                                }
                                foreach(@ignore_for_qt_begin_namespace_check) {
                                    $header_skip_qt_begin_namespace_test = 1 if ($header eq $_);
                                }
                            }
                        }

                        my $iheader = $subdir . "/" . $header;
                        if($public_header) {
                            if(open(F, "<$iheader")) {
                                my $qt_module_found = 0;
                                my $qt_begin_header_found = 0;
                                my $qt_end_header_found = 0;
                                my $qt_begin_namespace_found = 0;
                                my $qt_end_namespace_found = 0;
                                my $line;
                                while($line = <F>) {
                                    chomp $line;
                                    my $output_line = 1;
                                    if($line =~ /^ *\# *pragma (qt_no_included_check|qt_sync_stop_processing)/) {
                                        last;
                                    } elsif($line =~ /^ *\# *include/) {
                                        my $include = $line;
                                        if($line =~ /<.*>/) {
                                            $include =~ s,.*<(.*)>.*,$1,;
                                        } elsif($line =~ /".*"/) {
                                            $include =~ s,.*"(.*)".*,$1,;
                                        } else {
                                            $include = 0;
                                        }
                                        if($include) {
                                            for my $trylib (keys(%modules)) {
                                                if(-e "$out_basedir/include/$trylib/$include") {
                                                    print "WARNING: $iheader includes $include when it should include $trylib/$include\n";
                                                }
                                            }
                                        }
                                    } elsif ($header_skip_qt_begin_header_test == 0 and $line =~ /^QT_BEGIN_HEADER\s*$/) {
                                        $qt_begin_header_found = 1;
                                    } elsif ($header_skip_qt_begin_header_test == 0 and $line =~ /^QT_END_HEADER\s*$/) {
                                        $qt_end_header_found = 1;
                                    } elsif ($header_skip_qt_begin_namespace_test == 0 and $line =~ /^QT_BEGIN_NAMESPACE\s*$/) {
                                        $qt_begin_namespace_found = 1;
                                    } elsif ($header_skip_qt_begin_namespace_test == 0 and $line =~ /^QT_END_NAMESPACE\s*$/) {
                                        $qt_end_namespace_found = 1;
                                    } elsif ($header_skip_qt_module_test == 0 and $line =~ /^QT_MODULE\(.*\)\s*$/) {
                                        $qt_module_found = 1;
                                    }
                                }
                                if ($header_skip_qt_begin_header_test == 0) {
                                    if ($qt_begin_header_found == 0) {
                                        print "WARNING: $iheader does not include QT_BEGIN_HEADER\n";
                                    }

                                    if ($qt_begin_header_found && $qt_end_header_found == 0) {
                                        print "WARNING: $iheader has QT_BEGIN_HEADER but no QT_END_HEADER\n";
                                    }
                                }

                                if ($header_skip_qt_begin_namespace_test == 0) {
                                    if ($qt_begin_namespace_found == 0) {
                                        print "WARNING: $iheader does not include QT_BEGIN_NAMESPACE\n";
                                    }

                                    if ($qt_begin_namespace_found && $qt_end_namespace_found == 0) {
                                        print "WARNING: $iheader has QT_BEGIN_NAMESPACE but no QT_END_NAMESPACE\n";
                                    }
                                }

                                if ($header_skip_qt_module_test == 0) {
                                    if ($qt_module_found == 0) {
                                        print "WARNING: $iheader does not include QT_MODULE\n";
                                    }
                                }
                                close(F);
                            }
                        }
                    }
                }
            }
    }
}

exit 0;