Tools/Scripts/build-webkit - external/Webkit - Git at Google

 #!/usr/bin/perl -w

 # Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
 # Copyright (C) 2009 Google Inc. All rights reserved.
 # Copyright (C) 2010 moiji-mobile.com All rights reserved.
 # Copyright (C) 2011 Research In Motion Limited. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 #
 # 1.  Redistributions of source code must retain the above copyright
 #     notice, this list of conditions and the following disclaimer.
 # 2.  Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
 #     documentation and/or other materials provided with the distribution.
 # 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 #     its contributors may be used to endorse or promote products derived
 #     from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 # Build script wrapper for the WebKit Open Source Project.

 use strict;
 use File::Basename;
 use File::Find;
 use File::Spec;
 use FindBin;
 use Getopt::Long qw(:config pass_through);
 use lib $FindBin::Bin;
 use webkitdirs;
 use webkitperl::FeatureList qw(getFeatureOptionList);
 use POSIX;

 sub cMakeArgsFromFeatures();
 sub formatBuildTime($);
 sub writeCongrats();

 my $originalWorkingDirectory = getcwd();
 chdirWebKit();

 my $showHelp = 0;
 my $clean = 0;
 my $useGYP = 0;
 my $minimal = 0;
 my $installHeaders;
 my $installLibs;
 my $prefixPath;
 my $makeArgs = "";
 my $cmakeArgs = "";
 my $onlyWebKitProject = 0;
 my $noWebKit1 = 0;
 my $noWebKit2 = 0;
 my $coverageSupport = 0;
 my $startTime = time();

 my @features = getFeatureOptionList();

 # Update defaults from Qt's project file
 if (isQt()) {
     # Take a sneek peek at the arguments, since we will need the qmake binary early
     # on to do profile parsing. We also need to know if we're showing the help-text.
     foreach (@ARGV) {
         if (/^--qmake=(.*)/) {
             setQmakeBinaryPath($1);
         } elsif (/^--help$/) {
             $showHelp = 1;
         }
     }

     my %qtDefaults;
     if ($showHelp) {
         %qtDefaults = qtFeatureDefaults();
     }

     foreach (@features) {
         $_->{default} = (%qtDefaults ? $qtDefaults{$_->{define}} || 0 : -1);
     }
 }

 # Additional environment parameters
 push @ARGV, split(/ /, $ENV{'BUILD_WEBKIT_ARGS'}) if ($ENV{'BUILD_WEBKIT_ARGS'});

 # Initialize values from defaults
 foreach (@ARGV) {
     if ($_ eq '--minimal') {
         $minimal = 1;
     }
 }

 # Initialize values from defaults
 foreach (@features) {
     ${$_->{value}} = ($minimal ? 0 : $_->{default});
 }

 my $programName = basename($0);
 my $usage = <<EOF;
 Usage: $programName [options] [options to pass to build system]
   --help                            Show this help message
   --clean                           Cleanup the build directory
   --debug                           Compile with Debug configuration
   --release                         Compile with Release configuration
   --sdk=<sdk>                       Use a specific Xcode SDK (iOS and Mac only)
   --device                          Use the current iphoneos.internal SDK (iOS only)
   --simulator                       Use the current iphonesimulator SDK (iOS only)
   --gyp                             Use GYP-generated project files
   --coverage                        Enable Code Coverage support (Mac only)

   --blackberry                      Build the BlackBerry port on Mac/Linux
   --efl                             Build the EFL port
   --gtk                             Build the GTK+ port
   --qt                              Build the Qt port
   --wincairo                        Build using Cairo (rather than CoreGraphics) on Windows
   --wince                           Build the WinCE port

   --inspector-frontend              Copy changes to the inspector front-end files to the build directory

   --install-headers=<path>          Set installation path for the headers (Qt only)
   --install-libs=<path>             Set installation path for the libraries (Qt only)

   --prefix=<path>                   Set installation prefix to the given path (Gtk/Efl/BlackBerry only)
   --makeargs=<arguments>            Optional Makefile flags
   --qmakearg=<arguments>            Optional qmake flags (Qt only, e.g. --qmakearg="CONFIG+=webkit2" to build WebKit2)
   --cmakeargs=<arguments>           Optional CMake flags (e.g. --cmakeargs="-DFOO=bar -DCMAKE_PREFIX_PATH=/usr/local")

   --minimal                         No optional features, unless explicitly enabled

   --only-webkit                     Build only the WebKit project
   --no-webkit1                      Omit WebKit1 code from the build (Qt/EFL/GTK only)
   --no-webkit2                      Omit WebKit2 code from the build

 EOF

 my %options = (
     'help' => \$showHelp,
     'clean' => \$clean,
     'gyp' => \$useGYP,
     'install-headers=s' => \$installHeaders,
     'install-libs=s' => \$installLibs,
     'prefix=s' => \$prefixPath,
     'makeargs=s' => \$makeArgs,
     'cmakeargs=s' => \$cmakeArgs,
     'minimal' => \$minimal,
     'only-webkit' => \$onlyWebKitProject,
     'no-webkit1' => \$noWebKit1,
     'no-webkit2' => \$noWebKit2,
     'coverage' => \$coverageSupport,
 );

 # Build usage text and options list from features
 foreach (@features) {
     my $opt = sprintf("%-35s", "  --[no-]$_->{option}");
     $usage .= "$opt $_->{desc} (default: $_->{default})\n";
     $options{"$_->{option}!"} = $_->{value};
 }

 GetOptions(%options);

 if ($showHelp) {
    print STDERR $usage;
    exit 1;
 }

 checkRequiredSystemConfig();
 setConfiguration();

 my $productDir = productDir();

 # Remove 0 byte sized files from productDir after slave lost for Qt buildbots.
 File::Find::find(\&unlinkZeroFiles, $productDir) if (isQt() && -e $productDir);

 sub unlinkZeroFiles()
 {
     my $file = $File::Find::name;
     # Remove 0 byte sized files, except
     # - directories (Because they are always 0 byte sized on Windows)
     # - .d files used for dependency tracking
     if (! -d $file && ! -s $file && $file !~ m/\.d$/) {
         unlink $file;
         print "0 byte sized file removed from build directory: $file\n";
     }
 }

 # Check that all the project directories are there.
 my @projects = ("Source/JavaScriptCore", "Source/WebCore", "Source/WebKit");

 # Build WTF as a separate static library on ports which support it.
 splice @projects, 0, 0, "Source/WTF" if isAppleMacWebKit() or isAppleWinWebKit();

 for my $dir (@projects) {
     if (! -d $dir) {
         die "Error: No $dir directory found. Please do a fresh checkout.\n";
     }
 }

 if (!isQt() && !-d "WebKitLibraries") {
     die "Error: No WebKitLibraries directory found. Please do a fresh checkout.\n";
 }

 # Generate the generate project files from .gyp files
 if ($useGYP) {
     system("perl", "Tools/Scripts/generate-project-files") == 0 or die "Failed to run generate-project-files";
 }

 my @options = ();

 if (isAppleMacWebKit()) {
     push @options, XcodeOptions();

     sub option($$$)
     {
         my ($feature, $isEnabled, $defaultValue) = @_;
         return "" if $defaultValue == $isEnabled;
         return $feature . "=" . ($isEnabled ? $feature : "");
     }

     foreach (@features) {
         my $option = option($_->{define}, ${$_->{value}}, $_->{default});
         push @options, $option unless $option eq "";
     }

     # ANGLE must come before WebCore
     splice @projects, 0, 0, "Source/ThirdParty/ANGLE";

     # WebKit2 is only supported in SnowLeopard and later at present.
     push @projects, ("Source/WebKit2", "Tools/MiniBrowser") if osXVersion()->{"minor"} >= 6 and !$noWebKit2;

     # Build Tools needed for Apple ports
     push @projects, ("Tools/DumpRenderTree", "Tools/WebKitTestRunner", "Source/ThirdParty/gtest", "Tools/TestWebKitAPI");

     # Copy library and header from WebKitLibraries to a findable place in the product directory.
     (system("perl", "Tools/Scripts/copy-webkitlibraries-to-product-directory", $productDir) == 0) or die;
 } elsif (isWinCairo()) {
     (system("perl Tools/Scripts/update-webkit-wincairo-libs") == 0) or die;
 } elsif (isAppleWinWebKit()) {
     # Copy WebKitSupportLibrary to the correct location in WebKitLibraries so it can be found.
     # Will fail if WebKitSupportLibrary.zip is not in source root.
     (system("perl Tools/Scripts/update-webkit-support-libs") == 0) or die;
 } elsif (isQt()) {
     push @options, "--install-headers=" . $installHeaders if defined($installHeaders);
     push @options, "--install-libs=" . $installLibs if defined($installLibs);
     push @options, "--makeargs=" . $makeArgs if $makeArgs;
     push @options, "WEBKIT_CONFIG-=build_webkit1" if $noWebKit1;
     push @options, "WEBKIT_CONFIG-=build_webkit2" if $noWebKit2;

     if (checkForArgumentAndRemoveFromARGV("-2")) {
         print "Note: WebKit2 is now built by default, you don't need to pass -2. Disable using --no-webkit2\n";
     }

     @options = (@ARGV, @options);

     foreach (@features) {
         if ($_->{define} && ${$_->{value}} != $_->{default}) {
             my $define = lc($_->{define});
             $define =~ s/^enable_//;
             push @options, "WEBKIT_CONFIG" . (${$_->{value}} == 1 ? "+" : "-") . "=" . $define;
         }
     }
 }

 # If asked to build just the WebKit project, overwrite the projects
 # list after all of the port specific tweaks have been made to
 # build options, etc.
 @projects = ("Source/WebKit") if $onlyWebKitProject;

 if (isInspectorFrontend()) {
     exit exitStatus(copyInspectorFrontendFiles());
 }

 my $result = 0;

 if (isEfl()) {
     # By default we build using all of the available CPUs.
     $makeArgs .= ($makeArgs ? " " : "") . "-j" . numberOfCPUs() if $makeArgs !~ /-j\s*\d+/;
     $cmakeArgs = "-DENABLE_WEBKIT=OFF "  . $cmakeArgs if $noWebKit1;
     $cmakeArgs = "-DENABLE_WEBKIT2=OFF " . $cmakeArgs if $noWebKit2;

     # We remove CMakeCache to avoid the bots to reuse cached flags when
     # we enable new features. This forces a reconfiguration.
     removeCMakeCache();

     buildCMakeProjectOrExit($clean, "Efl", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()), $cmakeArgs);
 }

 if (isWinCE()) {
     buildCMakeProjectOrExit($clean, "WinCE", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()), $cmakeArgs);
 }

 if (isBlackBerry()) {
     my $numberOfJobs;
     if ($ENV{"USE_ICECC"}) {
         $numberOfJobs = 50; # 50 is the number we choose for internal development
     } else {
         $numberOfJobs = numberOfCPUs();
     }
     $makeArgs .= ($makeArgs ? " " : "") . "-j" . $numberOfJobs if $makeArgs !~ /-j\s*\d+/;
     $prefixPath = $ENV{"STAGE_DIR"} unless $prefixPath;
     buildCMakeProjectOrExit($clean, "BlackBerry", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()), $cmakeArgs);
 }

 if (isQt()) {
     @projects = (); # An empty projects list will build the default projects
     $result = buildQMakeProjects(\@projects, $clean, @options);
     exit exitStatus($result) if exitStatus($result);
 }

 # Build, and abort if the build fails.
 for my $dir (@projects) {
     chdir $dir or die;
     $result = 0;

     # For Gtk the WebKit project builds all others
     if (isGtk() && $dir ne "Source/WebKit") {
         chdirWebKit();
         next;
     }

     my $project = basename($dir);
     if (isGtk()) {
         $result = buildGtkProject($project, $clean, $prefixPath, $makeArgs, $noWebKit1, $noWebKit2, @features);
     } elsif (isAppleMacWebKit()) {
         my @local_options = @options;
         push @local_options, XcodeCoverageSupportOptions() if $coverageSupport && $project ne "ANGLE";
         my $useGYPProject = $useGYP && ($project =~ "WebCore|JavaScriptCore");
         my $projectPath = $useGYPProject ? "gyp/$project" : $project;
         $projectPath = $project =~ /gtest/ ? "xcode/gtest" : $project;
         $result = buildXCodeProject($projectPath, $clean, @local_options, @ARGV);
     } elsif (isAppleWinWebKit()) {
         if ($project eq "WebKit") {
             my $webkitSolutionPath = "WebKit.vcxproj/WebKit.sln";
             if (visualStudioVersion() eq "8") {
                 $webkitSolutionPath = "win/WebKit.vcproj/WebKit.sln";
             }
             $result = buildVisualStudioProject($webkitSolutionPath, $clean);
         }
     }
     # Various build* calls above may change the CWD.
     chdirWebKit();

     if (exitStatus($result)) {
         my $scriptDir = relativeScriptsDir();
         if (usingVisualStudioExpress()) {
             # Visual Studio Express is so lame it can't stdout build failures.
             # So we find its logs and dump them to the console ourselves.
             system(File::Spec->catfile($scriptDir, "print-vse-failure-logs"));
         }
         if (isAppleWinWebKit()) {
             print "\n\n===== BUILD FAILED ======\n\n";
             print "Please ensure you have run $scriptDir/update-webkit to install dependencies.\n\n";
             my $baseProductDir = baseProductDir();
             print "You can view build errors by checking the BuildLog.htm files located at:\n$baseProductDir/obj/<project>/<config>.\n";
         }
         exit exitStatus($result);
     }
 }

 # Don't report the "WebKit is now built" message after a clean operation.
 exit if $clean;

 # Don't report congrats message if build was interrupted by the user.
 exit if ($result & 127) == SIGINT;

 # Explicitly chdir back to where exit will take us anyway, since the following "launcher"
 # message is relative to that directory.
 chdir $originalWorkingDirectory;

 # Write out congratulations message.
 writeCongrats();

 exit 0;

 sub cMakeArgsFromFeatures()
 {
     my @args;
     foreach (@features) {
         my $featureName = $_->{define};
         if ($featureName) {
             my $featureEnabled = ${$_->{value}} ? "ON" : "OFF";
             push @args, "-D$featureName=$featureEnabled";
         }
     }
     return @args;
 }

 sub formatBuildTime($)
 {
     my ($buildTime) = @_;

     my $buildHours = int($buildTime / 3600);
     my $buildMins = int(($buildTime - $buildHours * 3600) / 60);
     my $buildSecs = $buildTime - $buildHours * 3600 - $buildMins * 60;

     if ($buildHours) {
         return sprintf("%dh:%02dm:%02ds", $buildHours, $buildMins, $buildSecs);
     }
     return sprintf("%02dm:%02ds", $buildMins, $buildSecs);
 }

 sub writeCongrats()
 {
     my $launcherPath = launcherPath();
     my $launcherName = launcherName();
     my $endTime = time();
     my $buildTime = formatBuildTime($endTime - $startTime);

     print "\n";
     print "====================================================================\n";
     print " WebKit is now built ($buildTime). \n";
     print " To run $launcherName with this newly-built code, use the\n";
     print " \"$launcherPath\" script.\n";
     print "====================================================================\n";
 }
	#!/usr/bin/perl -w

	# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
	# Copyright (C) 2009 Google Inc. All rights reserved.
	# Copyright (C) 2010 moiji-mobile.com All rights reserved.
	# Copyright (C) 2011 Research In Motion Limited. All rights reserved.
	#
	# Redistribution and use in source and binary forms, with or without
	# modification, are permitted provided that the following conditions
	# are met:
	#
	# 1. Redistributions of source code must retain the above copyright
	# notice, this list of conditions and the following disclaimer.
	# 2. Redistributions in binary form must reproduce the above copyright
	# notice, this list of conditions and the following disclaimer in the
	# documentation and/or other materials provided with the distribution.
	# 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
	# its contributors may be used to endorse or promote products derived
	# from this software without specific prior written permission.
	#
	# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
	# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
	# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	# Build script wrapper for the WebKit Open Source Project.

	use strict;
	use File::Basename;
	use File::Find;
	use File::Spec;
	use FindBin;
	use Getopt::Long qw(:config pass_through);
	use lib $FindBin::Bin;
	use webkitdirs;
	use webkitperl::FeatureList qw(getFeatureOptionList);
	use POSIX;

	sub cMakeArgsFromFeatures();
	sub formatBuildTime($);
	sub writeCongrats();

	my $originalWorkingDirectory = getcwd();
	chdirWebKit();

	my $showHelp = 0;
	my $clean = 0;
	my $useGYP = 0;
	my $minimal = 0;
	my $installHeaders;
	my $installLibs;
	my $prefixPath;
	my $makeArgs = "";
	my $cmakeArgs = "";
	my $onlyWebKitProject = 0;
	my $noWebKit1 = 0;
	my $noWebKit2 = 0;
	my $coverageSupport = 0;
	my $startTime = time();

	my @features = getFeatureOptionList();

	# Update defaults from Qt's project file
	if (isQt()) {
	# Take a sneek peek at the arguments, since we will need the qmake binary early
	# on to do profile parsing. We also need to know if we're showing the help-text.
	foreach (@ARGV) {
	if (/^--qmake=(.*)/) {
	setQmakeBinaryPath($1);
	} elsif (/^--help$/) {
	$showHelp = 1;
	}
	}

	my %qtDefaults;
	if ($showHelp) {
	%qtDefaults = qtFeatureDefaults();
	}

	foreach (@features) {
	$_->{default} = (%qtDefaults ? $qtDefaults{$_->{define}} \|\| 0 : -1);
	}
	}

	# Additional environment parameters
	push @ARGV, split(/ /, $ENV{'BUILD_WEBKIT_ARGS'}) if ($ENV{'BUILD_WEBKIT_ARGS'});

	# Initialize values from defaults
	foreach (@ARGV) {
	if ($_ eq '--minimal') {
	$minimal = 1;
	}
	}

	# Initialize values from defaults
	foreach (@features) {
	${$_->{value}} = ($minimal ? 0 : $_->{default});
	}

	my $programName = basename($0);
	my $usage = <<EOF;
	Usage: $programName [options] [options to pass to build system]
	--help Show this help message
	--clean Cleanup the build directory
	--debug Compile with Debug configuration
	--release Compile with Release configuration
	--sdk=<sdk> Use a specific Xcode SDK (iOS and Mac only)
	--device Use the current iphoneos.internal SDK (iOS only)
	--simulator Use the current iphonesimulator SDK (iOS only)
	--gyp Use GYP-generated project files
	--coverage Enable Code Coverage support (Mac only)

	--blackberry Build the BlackBerry port on Mac/Linux
	--efl Build the EFL port
	--gtk Build the GTK+ port
	--qt Build the Qt port
	--wincairo Build using Cairo (rather than CoreGraphics) on Windows
	--wince Build the WinCE port

	--inspector-frontend Copy changes to the inspector front-end files to the build directory

	--install-headers=<path> Set installation path for the headers (Qt only)
	--install-libs=<path> Set installation path for the libraries (Qt only)

	--prefix=<path> Set installation prefix to the given path (Gtk/Efl/BlackBerry only)
	--makeargs=<arguments> Optional Makefile flags
	--qmakearg=<arguments> Optional qmake flags (Qt only, e.g. --qmakearg="CONFIG+=webkit2" to build WebKit2)
	--cmakeargs=<arguments> Optional CMake flags (e.g. --cmakeargs="-DFOO=bar -DCMAKE_PREFIX_PATH=/usr/local")

	--minimal No optional features, unless explicitly enabled

	--only-webkit Build only the WebKit project
	--no-webkit1 Omit WebKit1 code from the build (Qt/EFL/GTK only)
	--no-webkit2 Omit WebKit2 code from the build

	EOF

	my %options = (
	'help' => \$showHelp,
	'clean' => \$clean,
	'gyp' => \$useGYP,
	'install-headers=s' => \$installHeaders,
	'install-libs=s' => \$installLibs,
	'prefix=s' => \$prefixPath,
	'makeargs=s' => \$makeArgs,
	'cmakeargs=s' => \$cmakeArgs,
	'minimal' => \$minimal,
	'only-webkit' => \$onlyWebKitProject,
	'no-webkit1' => \$noWebKit1,
	'no-webkit2' => \$noWebKit2,
	'coverage' => \$coverageSupport,
	);

	# Build usage text and options list from features
	foreach (@features) {
	my $opt = sprintf("%-35s", " --[no-]$_->{option}");
	$usage .= "$opt $_->{desc} (default: $_->{default})\n";
	$options{"$_->{option}!"} = $_->{value};
	}

	GetOptions(%options);

	if ($showHelp) {
	print STDERR $usage;
	exit 1;
	}

	checkRequiredSystemConfig();
	setConfiguration();

	my $productDir = productDir();

	# Remove 0 byte sized files from productDir after slave lost for Qt buildbots.
	File::Find::find(\&unlinkZeroFiles, $productDir) if (isQt() && -e $productDir);

	sub unlinkZeroFiles()
	{
	my $file = $File::Find::name;
	# Remove 0 byte sized files, except
	# - directories (Because they are always 0 byte sized on Windows)
	# - .d files used for dependency tracking
	if (! -d $file && ! -s $file && $file !~ m/\.d$/) {
	unlink $file;
	print "0 byte sized file removed from build directory: $file\n";
	}
	}

	# Check that all the project directories are there.
	my @projects = ("Source/JavaScriptCore", "Source/WebCore", "Source/WebKit");

	# Build WTF as a separate static library on ports which support it.
	splice @projects, 0, 0, "Source/WTF" if isAppleMacWebKit() or isAppleWinWebKit();

	for my $dir (@projects) {
	if (! -d $dir) {
	die "Error: No $dir directory found. Please do a fresh checkout.\n";
	}
	}

	if (!isQt() && !-d "WebKitLibraries") {
	die "Error: No WebKitLibraries directory found. Please do a fresh checkout.\n";
	}

	# Generate the generate project files from .gyp files
	if ($useGYP) {
	system("perl", "Tools/Scripts/generate-project-files") == 0 or die "Failed to run generate-project-files";
	}

	my @options = ();

	if (isAppleMacWebKit()) {
	push @options, XcodeOptions();

	sub option($$$)
	{
	my ($feature, $isEnabled, $defaultValue) = @_;
	return "" if $defaultValue == $isEnabled;
	return $feature . "=" . ($isEnabled ? $feature : "");
	}

	foreach (@features) {
	my $option = option($_->{define}, ${$_->{value}}, $_->{default});
	push @options, $option unless $option eq "";
	}

	# ANGLE must come before WebCore
	splice @projects, 0, 0, "Source/ThirdParty/ANGLE";

	# WebKit2 is only supported in SnowLeopard and later at present.
	push @projects, ("Source/WebKit2", "Tools/MiniBrowser") if osXVersion()->{"minor"} >= 6 and !$noWebKit2;

	# Build Tools needed for Apple ports
	push @projects, ("Tools/DumpRenderTree", "Tools/WebKitTestRunner", "Source/ThirdParty/gtest", "Tools/TestWebKitAPI");

	# Copy library and header from WebKitLibraries to a findable place in the product directory.
	(system("perl", "Tools/Scripts/copy-webkitlibraries-to-product-directory", $productDir) == 0) or die;
	} elsif (isWinCairo()) {
	(system("perl Tools/Scripts/update-webkit-wincairo-libs") == 0) or die;
	} elsif (isAppleWinWebKit()) {
	# Copy WebKitSupportLibrary to the correct location in WebKitLibraries so it can be found.
	# Will fail if WebKitSupportLibrary.zip is not in source root.
	(system("perl Tools/Scripts/update-webkit-support-libs") == 0) or die;
	} elsif (isQt()) {
	push @options, "--install-headers=" . $installHeaders if defined($installHeaders);
	push @options, "--install-libs=" . $installLibs if defined($installLibs);
	push @options, "--makeargs=" . $makeArgs if $makeArgs;
	push @options, "WEBKIT_CONFIG-=build_webkit1" if $noWebKit1;
	push @options, "WEBKIT_CONFIG-=build_webkit2" if $noWebKit2;

	if (checkForArgumentAndRemoveFromARGV("-2")) {
	print "Note: WebKit2 is now built by default, you don't need to pass -2. Disable using --no-webkit2\n";
	}

	@options = (@ARGV, @options);

	foreach (@features) {
	if ($_->{define} && ${$_->{value}} != $_->{default}) {
	my $define = lc($_->{define});
	$define =~ s/^enable_//;
	push @options, "WEBKIT_CONFIG" . (${$_->{value}} == 1 ? "+" : "-") . "=" . $define;
	}
	}
	}

	# If asked to build just the WebKit project, overwrite the projects
	# list after all of the port specific tweaks have been made to
	# build options, etc.
	@projects = ("Source/WebKit") if $onlyWebKitProject;

	if (isInspectorFrontend()) {
	exit exitStatus(copyInspectorFrontendFiles());
	}

	my $result = 0;

	if (isEfl()) {
	# By default we build using all of the available CPUs.
	$makeArgs .= ($makeArgs ? " " : "") . "-j" . numberOfCPUs() if $makeArgs !~ /-j\s*\d+/;
	$cmakeArgs = "-DENABLE_WEBKIT=OFF " . $cmakeArgs if $noWebKit1;
	$cmakeArgs = "-DENABLE_WEBKIT2=OFF " . $cmakeArgs if $noWebKit2;

	# We remove CMakeCache to avoid the bots to reuse cached flags when
	# we enable new features. This forces a reconfiguration.
	removeCMakeCache();

	buildCMakeProjectOrExit($clean, "Efl", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()), $cmakeArgs);
	}

	if (isWinCE()) {
	buildCMakeProjectOrExit($clean, "WinCE", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()), $cmakeArgs);
	}

	if (isBlackBerry()) {
	my $numberOfJobs;
	if ($ENV{"USE_ICECC"}) {
	$numberOfJobs = 50; # 50 is the number we choose for internal development
	} else {
	$numberOfJobs = numberOfCPUs();
	}
	$makeArgs .= ($makeArgs ? " " : "") . "-j" . $numberOfJobs if $makeArgs !~ /-j\s*\d+/;
	$prefixPath = $ENV{"STAGE_DIR"} unless $prefixPath;
	buildCMakeProjectOrExit($clean, "BlackBerry", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()), $cmakeArgs);
	}

	if (isQt()) {
	@projects = (); # An empty projects list will build the default projects
	$result = buildQMakeProjects(\@projects, $clean, @options);
	exit exitStatus($result) if exitStatus($result);
	}

	# Build, and abort if the build fails.
	for my $dir (@projects) {
	chdir $dir or die;
	$result = 0;

	# For Gtk the WebKit project builds all others
	if (isGtk() && $dir ne "Source/WebKit") {
	chdirWebKit();
	next;
	}

	my $project = basename($dir);
	if (isGtk()) {
	$result = buildGtkProject($project, $clean, $prefixPath, $makeArgs, $noWebKit1, $noWebKit2, @features);
	} elsif (isAppleMacWebKit()) {
	my @local_options = @options;
	push @local_options, XcodeCoverageSupportOptions() if $coverageSupport && $project ne "ANGLE";
	my $useGYPProject = $useGYP && ($project =~ "WebCore\|JavaScriptCore");
	my $projectPath = $useGYPProject ? "gyp/$project" : $project;
	$projectPath = $project =~ /gtest/ ? "xcode/gtest" : $project;
	$result = buildXCodeProject($projectPath, $clean, @local_options, @ARGV);
	} elsif (isAppleWinWebKit()) {
	if ($project eq "WebKit") {
	my $webkitSolutionPath = "WebKit.vcxproj/WebKit.sln";
	if (visualStudioVersion() eq "8") {
	$webkitSolutionPath = "win/WebKit.vcproj/WebKit.sln";
	}
	$result = buildVisualStudioProject($webkitSolutionPath, $clean);
	}
	}
	# Various build* calls above may change the CWD.
	chdirWebKit();

	if (exitStatus($result)) {
	my $scriptDir = relativeScriptsDir();
	if (usingVisualStudioExpress()) {
	# Visual Studio Express is so lame it can't stdout build failures.
	# So we find its logs and dump them to the console ourselves.
	system(File::Spec->catfile($scriptDir, "print-vse-failure-logs"));
	}
	if (isAppleWinWebKit()) {
	print "\n\n===== BUILD FAILED ======\n\n";
	print "Please ensure you have run $scriptDir/update-webkit to install dependencies.\n\n";
	my $baseProductDir = baseProductDir();
	print "You can view build errors by checking the BuildLog.htm files located at:\n$baseProductDir/obj/<project>/<config>.\n";
	}
	exit exitStatus($result);
	}
	}

	# Don't report the "WebKit is now built" message after a clean operation.
	exit if $clean;

	# Don't report congrats message if build was interrupted by the user.
	exit if ($result & 127) == SIGINT;

	# Explicitly chdir back to where exit will take us anyway, since the following "launcher"
	# message is relative to that directory.
	chdir $originalWorkingDirectory;

	# Write out congratulations message.
	writeCongrats();

	exit 0;

	sub cMakeArgsFromFeatures()
	{
	my @args;
	foreach (@features) {
	my $featureName = $_->{define};
	if ($featureName) {
	my $featureEnabled = ${$_->{value}} ? "ON" : "OFF";
	push @args, "-D$featureName=$featureEnabled";
	}
	}
	return @args;
	}

	sub formatBuildTime($)
	{
	my ($buildTime) = @_;

	my $buildHours = int($buildTime / 3600);
	my $buildMins = int(($buildTime - $buildHours * 3600) / 60);
	my $buildSecs = $buildTime - $buildHours * 3600 - $buildMins * 60;

	if ($buildHours) {
	return sprintf("%dh:%02dm:%02ds", $buildHours, $buildMins, $buildSecs);
	}
	return sprintf("%02dm:%02ds", $buildMins, $buildSecs);
	}

	sub writeCongrats()
	{
	my $launcherPath = launcherPath();
	my $launcherName = launcherName();
	my $endTime = time();
	my $buildTime = formatBuildTime($endTime - $startTime);

	print "\n";
	print "====================================================================\n";
	print " WebKit is now built ($buildTime). \n";
	print " To run $launcherName with this newly-built code, use the\n";
	print " \"$launcherPath\" script.\n";
	print "====================================================================\n";
	}